Oracle case in where clause Hot Network Questions Elliptic Curves over finite field which contains Klein's-4 Group as a subgroup The CASE statement is evaluated in order, so if any "case" is true then every case after it is ignored. The syntax for the CASE statement in the WHERE clause is shown below. Thank you! Case in where clause. Using case inside where clause. Thank you! I want to use case statement in where clause. Hello All, I wish to conditionally use different columns for retrieving This is working Oracle example but it should work in MySQL too. Using SELECT inside COALESCE. customer_id = pcustomer_id. MONDAY_YN = 1 then insert the next 3 mondays, if r. BusinessEntityID = ph1. 0. for example. if user inputs All, then both true and false should go to parameters. Thanks! – Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. Please ask technical questions in the appropriate category. oracle where clause with case when. Please help me with this select distinct structure_name from Test_COA_LEGACY In my WHERE Clause IS the AND F. When the parameter is defined as 'New Items' it should utilize one code and for 'Updated Items' another condition. Hot Network Questions Question about sentence in 五柳先生傳 Since web search for Oracle case tops to that link, I add here for case statement, though not answer to the question asked about case expression: Using Case When Clause in Where Clause. Technical questions should be asked in the appropriate category. The problem is that Oracle evaluates the SELECT after the WHERE clause. Modified 9 years, 6 months ago. select * from student where (cast (nvl(linerevnum,'0') as int)) = 1 liner Edit: I actually need solutions for both Oracle and SQL Server. Thank you! Can we use case statements in where clause ?? Any example will be great! And also i would like to know, besides CASE and DECODE statements, Is there any But i would like to use the decode on the whare clause. I can think of a few ways to do this; there are a lot more. 7 WHEN 'B+' THEN 3. 31. Case in Where Clause. Status may be null, if so I return records of any Case expression in Oracle where clause. Because of this, the optimizer will just use a table case can help sometimes (when you want to enforce a specific order of evaluation of logical conditions), but it must be written carefully. DATE_INSERTED, 'DD') = TO_CHAR(:DATEINPUT-1, 'DD') ELSE IF TO_CHAR(:DATEINPUT, 'DAY') = 'SUNDAY' I am facing difficulty in understanding oracle(12c) sql order by clause with case statement. Run describe table_name (where table_name is the name of the table that contains this column) and see what it says. Hot Network Questions CASE <expression> WHEN <comparison expression> THEN <return expression> or. You'll need to turn the boolean into a SQL-supported datatype, and probably the value 0 or 1 in this particular case. TELEPHONE_NO_DAY LIKE '07%' THEN The value in the field is "12-JAN-12 09. The advantage would be that you can change the data in the table easier than changing all of the queries that have that case statement. The ordered_predicates hint is specified in the Oracle WHERE clause of a query and is used to specify the order in which Boolean predicates should be evaluated. How to use a variable/Parameter with an IN clause in ORACLE SQL. type_id = 27 or sale. Basically, the following code is what I want, but it's not the Oracle correct syntax. As well as if it is possible to nest a CASE-statement into the WHERE clause? Here is the logic of m SQL statements: I have seen some related topics, but they were not helpful. PL/SQL "Where" conditional "WHERE" clause. You can express this as simple conditions. Oracle Case in WHERE Clause with multiple conditions. Use table aliases that are abbreviations for the table names. 355000000 PM" & its a TimeStamp field in oracle db – sid. The problem you have is that you are trying to force it to return a BOOLEAN value. oracle procedure with case It depends It's generally better to use AND/OR constructions instead of case expressions in the WHERE clause. Modified 7 years, 4 months ago. For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. I want to use the CASE construct after a WHERE clause to build an expression. If budgpost is really a character column as is stated, then we have to assume that a non-numeric value might make its way into one of the In clauses. 24. After all, 0 is a value which you want to treat as a different value, while NULL semantically makes more sense for specifying 'no filter'. SELECT empno, ename, job FROM scott. I am trying to write a "case" statement inside a "where clause" which has an "in" statement in the "then" part. vehicle_id END Then when the ELSE condition is matched you will effectively end up with AND d1. Hot Network Questions How to convert string field and use for Where clause. COLUMN1 = D. where sale. name IN ('Accounts','IT','Finance') THEN 1. 7 Example. Rate)AS MaximumRate FROM HumanResources. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Oracle - Case in where clause. How to put Case in Where Statement for Oracle SQL. Passing multiple parametes in Where-In SQL- Oracle. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. case when then IN. SELECT * FROM TABLE1 WHERE P1 IS NULL OR COL1 IN (SELECT ID FROM TABLE2); In general, the CASE/WHEN/END clause can be used only in the "projection" part of a SELECT; you need to use the "regular" boolean expressions In the WHERE clause. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. . Hot Network Questions Help identify this 1980's NON-LEGO NON-Duplo but larger than average brick? Short story about a city enclosed in an electromagnetic field Is it possible to symbolically solve this polynomial system of equations and inequalities with Mathematica? Yes. I thought logic such as below would work. val(+) = 'test' Note that in both cases, I'm ignoring the c table since you don't specify a join condition. Note that Oracle SQL does not have BOOLEAN data type, so there is no such thing as "CASE condition" - which is I want to write a query - to cover a case :- where I want to check if any misc value present for a code_id (a input vairable) if not then use code_id as default value (i. type_id = 28 or sale. You can also go the Learn how to use the Oracle CASE expression to add if-else logic to SQL statements without calling a procedure. I want to use the This is a simple question, I've read some details about using CASE in WHERE clause, but couldn't able to make a clear idea how to use it. You didn't tell us what the code is supposed to do, so I am not even going to read all of it (no way Example (from here):. Ask Question Asked 10 years, 8 months ago. I have written the following query and in this condition i can't use in clasue. T-SQL alias from CASE statement in SELECT clause not recognized in WHERE clause. I have a codition in which i need to use multiple parameters in where clause using Conditional operator. Case on where clause ORACLE. Then filter it in the outer query. Do they mean the same? For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Can I Use DECODE Instead Of CASE? Oracle has a function called DECODE, which lets you check an expression Oracle - Case in where clause. how to correctly use case in where clause. These work like regular simple Using CASE in WHERE clause in Oracle 12c. – Justin Cave For Saturday or Sunday I'd need to get Friday's data. Create Procedure( aSRCHLOGI WHERE statement with CASE clause to return one value or all others. Commented Jan 13, 2012 at 18:46. I have to generate data based on the certain dates criteria as below: Yes, you can use an SQL CASE in a WHERE clause. op = 2 and case when (:stat = -11) then (sale. IF TO_CHAR(:DATEINPUT, 'DAY') = 'SATURDAY' THEN WHERE . com. if seems like you just want to format the date Your not actually comparing the end date to anything which is where you're missing something (it is expecting there result of your case statement to be compared to something) Gurus, Im trying to avoid unioning multiple select statements by utilizing a CASE inside a WHERE clause. WHERE 1 = CASE WHEN @UserRole = 'Analyst' THEN CASE WHEN WHERE clause in cursor - means SQL language (the cursor is defined in a PL/SQL block, but the cursor definition is a plain SQL SELECT statement). CASE WHEN <condition> THEN <return expression> These are the 'simple' and 'searched' variants in the docs. When I try to use it, oracle throws the error: ORA-00904: invalid identifier. state_cd in (:stateCode)); Or, How to use CASE in the WHERE clause. However, Oracle complains that next to the equal sign, there is a "missing keyword". How to use case statement inside where clause in oracle? 1. Bhavin Mamtora Jan 16 2015 — edited Jan 16 2015. you can do it differently like this : The CASE statement returns a "column value" that cannot be evaluated as a WHERE CONDITION itsef, but you can use it as a value 1 or 3 depending on sysdate, and then use this value in the filter condition: As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. I'm trying to create a CASE STATEMENT in SQL (Oracle) where I need to select only single rows in addition to other criteria. An alternative approach without this problem is this: DateTime on Where Clause Oracle. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions ESTA is not letting me pay Fast algorithm to obtain an orthogonal vector to a set of vectors Is this screw inside a 2-prong receptacle a possible ground? Oracle timestamp with timezone in where clause issue. In a searched CASE expression, Oracle searches from left to right until it finds an occurrence of condition that is true, and then returns return_expr. Case expression in where clause PL/SQL. Allan, this is exactly what I needed. If it's a VARCHAR2 then you need to convert it to a date as well. The CASE expression matches the condition and returns the value of the first THEN clause. Case your column and your string identically. * ,D. vehicle_id. In where clause i have two option 1) status = 'N' and type = '1' and 2) status = 'Y' and type = '1' based on parameter I need execute one option: where case when (carName = : Case on where clause ORACLE. When @UserRole = 'Analyst', the comparison SupervisorApprovedBy = NULL will give UNKNOWN (and the row won't pass the WHERE test). Hot Network Questions Both solutions works well. SQL "case when" query. estado = 'RJ' AND ( m_reaplicacao = 'T' OR (m_reaplicacao = 'S' AND ta. In this below query i want to check more than one values in CASEwat to do? SELECT column1, column2 FROM table1 WHERE columnX IN <case starts here>(CASE ( valuex = TRUE ) THEN (SELECT columnA FROM tableA where columnB = 'value') //here i want to chk 2 values like " ( 250,3 )" ELSE (SELECT columnA FROM tableA) END)<case ends here> Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. Using two = signs in CASE statement? 0. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). (My answer was addressed I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. ID_DOC = D. Introduction to Oracle WHERE clause. The CASE statement can be used in Oracle/PLSQL. SQL Query in Oracle where clause. Hot Network Questions What's a modern term for sucker or sap? Interval Placement How to achieve infinite rage? How to keep meat in a dungeon fresh, preserved, and hot? Does a USB-C male to USB-A female adapter draw power with no connected device or cable in the USB-A female end? E. Case statement in where clause oracle. It’s good for displaying a value in Is it possible to change the where condition (using case statement) based on certain variable? For example Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group There are valid uses of a CASE in a WHERE clause, especially to force Oracle to run one predicate before another (eg check a string only contains digits before doing a TO_NUMBER on it ) – Gary Myers. BEGIN CASE TO_CHAR(SYSDATE, 'DAY', 'NLS_DATE_LANGUAGE=ENGLISH') WHEN 'MONDAY' THEN And you could use if I had played around with using the CASE statement in the where clause to sql more dynamic but had also run into the same problem with needing multiple values returned for the in. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. Like procedure samp (pId number, pValue varchar, details out T_cursor) is begin Open details for Select id, No,Name from tbl1 where. Conditional Where? 0. If no condition is found to be true, and an ELSE clause exists, then Oracle returns else_expr. 2) Keep my CASE statement with your SELECT 1 FROM JOBS J WHERE J. Ignore some conditions in 'case' statement. 1022. Upendra. Kindly guide me how can i return multiple parameters from case clause. g. Am getting exception like this please help to find the wrong thing. But this can't be done in oracle SQL. Depending on each weekday attribute in table ROUTINE a case statement should be used, that checks if r. Something isn't right in this Your using the case in the where clause but I don't think that's where you want it. Oracle PL/SQL: Conditional Where Clause. Hot Network Questions Minimal pair /u/ and /ʊ/ Oracle Case in WHERE Clause with multiple conditions. CASE statement is only valid in PL/SQL; plain SQL does not have CASE statements, only CASE expressions. Use of CASE inside where clause. Or you can slap the case expression directly in Try writing the where clause this way: WHERE (T2. EmployeePayHistory AS ph1 ON e. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. See my edit. totrkd as totalerecord, case when a. How do I use in clause while using case when statement in where clause? 1. You can rewrite with nested CASE expressions:. Oracle case inside where clause. In the case, I will check if the Operator is equal, greater than or less than. Thank you! using CASE in where clause. My answer runs far afield of that, and gives an explanation as to why Oracle is balking at OP query (finding a condition where it expects a value and a value where it expects a condition. case statement in where clause with in values oracle sql. CASE s. SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' ELSE 'The owner is another value' END FROM all_tables; Oracle - Case in where clause. NEXT_DATE IS NULL; can be written in another way I mean since It is using both AND and OR Operators on the same column . However, you can specify LEVEL in a subquery of the FROM clause to achieve the same result. Always use proper, explicit join syntax. So, in the first usage, I check the value of status_flag, returning 'A', 'T' or null depending on what it's value is, and compare that to t. The where clause requires a condition or sets of conditions that are true or false for a given set of data. SELECT WORK_ORDER_NUMBER, SUM(CASE WHEN STOCK_CODE LIKE 'xxxx' THEN STOCK_QUANTITY ELSE 0 END) AS TOTAL FROM Table GROUP BY WORK_ORDER_NUMBER; No, you can't refer to the alias elsewhere in the same level of select, other than in the order by clause, because of when Oracle assigns it internally. SELECT * FROM a, b WHERE a. 4. ADDRESS2, 1, 30) ELSE substr(t2. 613434 Dec 14 2007 — edited Dec 14 2007. Case expression in where clause in Oracle. COMPARE_TYPE = 'A' AND T1. 7 when 'b+' then 3. Follow edited Mar 10, 2013 at 10:00. TUESDAY_YN = 1 then insert next 3 tuesdays, etc. AND 1 = (CASE WHEN p_dept_name = 'All' AND d. Oracle and DateTime math. And I'm assuming that you don't really want to join A to B and then generate a Cartesian product with C. Oracle does not need to materialize inner queries before applying outer conditions -- Oracle will consider transforming this query internally and push the predicate down into the inner query and will do so if it is cost effective. AND TO_CHAR(Q. 1. How to write a case statement in the Where clause of Oracle SQL? Hot Network Questions Wouldn't the ban of TikTok violate freedom of speech? The problem with the case (as you have written it) is that Oracle does not treat the value from a logical expression as a valid value. In almost all databases, it comes down to "the optimizer understands boolean expressions". Hot Network Questions What do "messy" weapons do, exactly? I need help in a query using case statements in where clause. Your query is giving it a CASE statement inside parentheses. But I am not able to use it in the where clause. depending on one of the input parameter. plsql conditional where clause. Oracle (SQL Statements) - Using CASE with WHERE CLAUSE. Ask Question Asked 13 years, 9 months ago. rating < p_rating, correspondingly in the SQL. For example: with sample_data as (select 'dog' pet, 'y' has_fur from dual union all select 'cat', 'y' from dual union all select For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Improve this question. Passing procedure arguments to SELECT INTO where clause not working. SOME_TYPE NOT LIKE You need do to the comparison outside the whole case statement. I'm trying to do it this way: SELECT A. As you're checking whether the result of the case statement is the same as the ELSE clause then the statement is the same as the opposite of all other conditions. Create Procedure( aSRCHLOGI Don't use a CASE statement in a WHERE clause when you really want a simple combination of boolean evaluations. vehicle_given = 'YES' THEN d2. Viewed 2k times 3 I have the following sql query with Your format is probably mm-dd-yy in this case. Using if condition in the Select statement. 06. how to pass where in clause values in stored procedure in Oracle Sql. ADDRESS3 != ' ' or t2. emp You can do the same thing using Oracle's syntax as well but it gets a bit hinkey. Both perform good. user580970 Mar 11 2010 — edited Mar 11 2010. You can use a column alias, c_alias, to label the immediately preceding expression in the select list so that the column is displayed with a new heading. id = b. Rajnish Chauhan Jun 7 2016 — edited Jun 8 2016. 3. Hello Tom Is it possible to change the where condition (using case statement) based on certain variable? For example var T varchar2(1) exec :T := 'E'; var E number; exec :E := 7788; var N varchar2(20) exec :N := 'MILLER'; select empno, ename from emp where -- how to use case statement to vary the condition based on :T -- if :T = 'E' then the condition should be As Dave Costa points out in the comment below, this will prevent Oracle from using the index of the column TIME_CREATED if it exists. So something like: case when then when then end = Is this answer out of date? If it is, please let us know via a Comment. Ask Question Asked 7 years, 4 months ago. NEXT_DATE = V_NEXT_BUSINESS_DATE OR F. The CASE statement evaluates multiple conditions to produce a single value. As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. In addition: Don't use commas in the from clause. Tried a whole host of methods using STRAGG and in-list functions but kept running into limitations Thanks for showing how I can do dynamic where clauses without using pl/sql. WHERE Clause in ORACLE. dept_id. Oracle Where Case. COUNT only processes non-null values, so gives the number of rows meeting the search condition. Case when in where clause Postgresql. PL/SQL Using CASE in WHERE clause. IsPersentage = 0 THEN 'Value' WHEN SA. Viewed 14k times 0 I know i could probably accomplish this by easily putting two whole statements in a CASE statement itself, but i'm new to SQL and trying to learn to write this the most efficient and intelligent way without There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. 3 when 'b' then 3 when 'b-' WHERE e. I have a table with the below data, SELECT DEPT_NO, DEPT_NAME FROM SORTNG_LOGIC; DEPT_NO DEPT_NAME ----- ----- 1 FINANCE 2 ACCOUNT 3 HUMAN RESOURCE 4 AUDIT 5 TRAINING Oracle - Case in where clause. SOME_TYPE LIKE 'NOTHING%') OR (T2. The searched CASE expression allows multiple comparisons using multiple variables. something like select . If so, then use b. Oracle with CASE Statement in WHERE clause. Purvesh K Feb 22 2011 — edited Feb 22 2011. There is a major, major difference between using a CASE expression and boolean expressions in the WHERE clause. – xQbert. COMPARE_TYPE <> 'A' AND T1. Switch case in where clause oracle. rating = p_rating or b. See Oracle docs Searched case expression vs case expression. You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end Here is the query that you can use. WHERE ta. I tried to guess your table structure from above comment, let's see this example: SQL> create table employees (emp_id number, admin_user number, project_id number); Table created. @user1095057: you don't not need to apply to_timestamp() on your column but on your input values. Oracle Database uses short-circuit For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Does anyone know how I can achieve this? I think oracle has problems because of the analytical function listagg. Check out this post for AppDev or this post for AI focus group information. Hot Network Questions The problem is likely the comparison to NULL, as explained in David Spillett's answer above. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. @Aleksej: OP should select the answer that best suited his needs. Below is my sql query for it. CASE expressions require that they be evaluated in the order that they are defined. I want to use as: when pcustomer_id IS NULL then WHERE c. Using Case statement in Where clause in Oracle SQL. type_id = 27) end But I am getting the following error: ORA-00907: missing right parenthesis. Using IN() within a CASE statement in Oracle APEX SQL. is possibile create a CASE in where clause, something as, So, i can write a single query, I am creating oracle report where if the user inputs true or false, the respective values should go to parameter. Oracle PL SQL CASE in WHERE clause. The examples below will show how this is done. Oracle query case statement in the where clause. Basically what i am trying to do is if the start day is Saturday and the end day is Sunday, then add 10080(one week) to the end offset/vend offset and if it does not meet that condition, then use the original values. For older versions use: SELECT * FROM ( SELECT * FROM t_config_rule WHERE rule = 'IND' OR rule IS NULL ORDER BY rule NULLS LAST ) WHERE ROWNUM = 1; or number the rows with ROW_NUMBER and keep the first row: SELECT * FROM ( SELECT r. Here's my queries, they don't work but I want to do something like this : SELECT a_field FROM a_table WHERE AND CASE WHEN a_value_from_another_query IS NULL THEN a_second_field IS NULL ELSE a_second_field = a_value_from_another_query END This works because this is a multi-value comparison IN list. – GriffeyDog CASE() is basically a translator: it returns a value for a given set of conditions. Multiple conditions in oracle case statement. Hi All, I'm on oracle 10gr2. I do the same for the business_unit column with a second CASE statement. ADDRESS1, 1, 30) END) Share. COLUMN2) AND case is an expression, not a predicate (i. Employee AS e JOIN HumanResources. IsDependOnBasicSalary = 0 THEN 'Common' To keep it simple I would go for union clause in this case, so you can have your where clause as complex as you need. Commented Jan 25, 2017 at 19:19. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Here are the terms defining the case expression, specifically the general case expression you're using: case_expression ::= general_case_expression | simple_case_expression | coalesce_expression | nullif_expression; general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END To elaborate on @tvm, you have a clause which is basically WHEN value THEN boolean which isn't allowed in Oracle. Hi ALL, Plseas suggest me How would I get the all rows if I pass ‘C’ select * from scott. Moreover, case and where are two different things. Oracle SQL where clause against a timestamp column. Create Procedure( aSRCHLOGIC IN Varchar, aPARTSTRP IN VarChar ) Declare sLogic VARCHAR(100) := aSRCHLOGIC; or, you could replicate the case statement in the where clause: select ( case grade when 'a+' then 4 when 'a' then 4 when 'a-' then 3. vehicle_id ELSE d1. Here my code DECLARE Oracle PL SQL CASE in WHERE clause. USE AdventureWorks2008R2; GO SELECT JobTitle, MAX(ph1. But as you can't use like in the first version, you need the second: CASE WHEN CONTACTS. s_denominazione as profilolotto, a. Case expression inside a where clause - Oracle. The below is my sample query: 1 SELECT * FROM dual 2 WHERE (1 =1) 3 AND (SYSDATE+1 > SYSDATE) 4 AND (30 > 40) 5 AND (25 < 35); Oracle - Case in where clause. id_1a_cbr <> 9) ) Case expression in Oracle where clause. Hot Network Questions Two columns tables Confusion regarding the US notion related to Pakistan's missile program PSE Advent Calendar 2024 (Day 20): Holly Factorization of The FETCH FIRST clause is available only as of Oracle 12c, though. CASE WHEN <condition> THEN <return expression> your query is malformed. e condition) : it 'returns' a typed value and can not contain predicate as result (in the then parts). Can You Use An SQL CASE within CASE? Yes, you can use a CASE within CASE in SQL. SQL SELECT WHERE field contains words. status. Hot Network Questions Plasma Railgun Toroids Recently added bug to amsmath Would a middle ground between unit and integration tests be Rather than putting the data in a case statement where you might have to repeat that case statement in more than one query, you could create a table with static data, then joint to that table. rating > p_rating or b. Ask Question Asked 9 years, 6 months ago. That query works, but now i want to filter on the column organisations. Hot Network Questions Building a Statistically Sound ML Model Why are Jersey and Guernsey not considered sovereign states? . 7 Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. As you can see i am unsure as to how to handle the case statement inside of the where clause. I tried to put it in case statement but it didn't work. Modified 10 years, 8 months ago. Conditionally use CASEWHEN - (1) you can't use a case statement anywhere in a sql query; (2) you can use a case expression anywhere in a sql query where an expression is allowed, including the select and where clauses. create or replace procedure sp_s_dettagliolotti ( datainizio in varchar2, datafine in varchar2, codiceprofilo in number, dett_lotti out sys_refcursor ) as begin open dett_lotti for select a. if the flag is Yes then i want all the id where the column name is not null. * ,(CASE WHEN (A. It seems in your situation you just need proper use of AND and OR operators, you don't need CASE expressions. The bagInfo array holds the information on all the luggage owned by a passenger. vehicle_id = CASE WHEN d1. I have I think you should be able to get by with an or statement in your case clause. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. There is no true or false SQL keyword, for sure, but 'a' = 'a' evaluates to a boolean value, without the use of Y/N or 0/1. I wrote this oracle procedure to return a rows of data. 7 WHEN 'C+' THEN 2. Is it possible to use between operator within a CASE statement within a WHERE Clause ? For example in the code below, the condition should be pydate between (sysdate-12) and (sysdate-2) if its a monday and pydate between How to use Oracle's decode function in where clause. SQL Query in LIKE Clause - ORACLE. Hot Network Questions Is a 考え物 *always* a bad idea? How does a programmer ever produce original code if anything they produce is considered derivative because they viewed similar source code? Can we pronounce the word "English" without the /g/ sound? In the case of the query you posted, it doesn't look like the order of evaluation will change the logic in any way, so I guess what you are thinking about is efficiency. Oracle Database 23c extended CASE expressions in PL/SQL to support dangling predicates in simple CASE expression. Hi, is it generally not For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. If a passenger owns more than one piece of luggage, there will be more than one element in the bagInfo array. Commented Dec 20, 2019 at 8:37. id_1a_cbr = 9) OR (m_reaplicacao = 'N' AND ta. idlotto as idlotto, b. id(+) AND b. If each case only allows one column, then you probably need two cases: select col1,col2, case when col3='E01089001' then (select 1 from dual) else (select 2 from dual) end, case when col3='E01089001' then (select 3 from dual) else (select 4 from dual) end from Table1 where col1='A0529'; For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Below is query I am trying to make work using a case statement If that's the case, then it seems logical that they would have the ability to reformat the In clauses before they get put into the Case expression. Same execution time. From the documentation (emphasis added):. – Ishamael Commented Oct 16, 2012 at 23:08 I am trying to execute a query in Oracle database. Oracle: Using Case Statement in Where Clause. If you aren't familiar with APEX, it uses low-code to produce a front-end page that is data driven; this case uses a dropdown to select from a list, and I'm comparing that list selection to values pulled from my database. the SQL statement is not written correct. The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. “CASE” statement within “WHERE” clause in SQL Server 2008; Nested case statements vs multiple criteria case statements; Case statement in WHERE clause in SQL Server I have a standard search clause whereby I'm selecting records on certain filters such as description and status, the status values being 101 to 110. 1) LEFT JOIN the JOBS table and then use your CASE statement. The WHERE clause specifies a search condition for rows Oracle Case in WHERE Clause with multiple conditions. Hot For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Setting Condition in Case Statement. If none of the conditions are true, it returns the Oracle PL SQL CASE in WHERE clause. name = What Does the SQL CASE Statement Do? The CASE statement allows you to perform an IF-THEN-ELSE check within an SQL statement. I have the segment of code belowIs the case statement correct, can we use it here? If you want to use case, then you need to return a value and do a comparison: (CASE order_date > sysdate and fee_rate_type in ('REGULAR', 'BONUS') then 1 order_date <= sysdate and FEE_RATE_TYPE in ('REGULAR') then 1 END) = 1 However, I would encourage you not to use case in a where clause. ; How can I do it? Incidentally, if you were only using the l_tdoay_date value once - and didn't have the dbms_output debugging call at the end - you wouldn't need that variable; you can use case with the function call:. But given the use case, making the parameter NULL would be a little better. PL SQL 'IF or CASE' using variable date. You can either put your query in a subselect: SELECT gpaScore FROM (SELECT ( CASE grade WHEN 'A+' THEN 4 WHEN 'A' THEN 4 WHEN 'A-' THEN 3. IsPersentage = 1 THEN 'Presentage' END) Like @AdjType and (Select CASE WHEN SA. Modified 13 years, 3 months ago. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. SELECT (CASE WHEN t2. You can definitely use case constructs in a where clause but you must know their purpose. Actually I am passing a value in a procedure according to the value i have to select fields in where clause. Conditional Where Clause Oracle SQL based on procedure input varaible. COURSE_SCHEDULED_ID WHEN IS NULL THEN which will throw "ORA-00936: missing expression" because IS NULL is a condition, not a value or expression. Case will not conditionally chose the evaluated code. Ultimately what method you choose is dependent on your individual circumstances; the main thing to remember is that to improve performance you must index correctly for case-insensitive searching. dep_id = d. WHEN p_dept_name != 'All' AND d. Viewed 17k times As an additional input, although it does not relate to this thread, you can also aggregate your case statements without mentioning it in the group by clause. I want to use the CASE construct after a WHERE clause to build an expression. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. I knew that we can use case in a select statement. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE According to my Scenario, I did "use CASE statement in WHERE IN clause" like following @AdjType varchar(20) = 'Value', @Base varchar(20) = 'Common' where (select CASE WHEN SA. case when 'IN' clause : help. – jarlh. A case Otherwise, Oracle returns null. with tmp as ( select 'Oracle' as field_name , 1 as data from dual union all select 'Oracle' as field_name , null as data from dual union all select NULL as field_name , null as data from dual union all select 'Test' as field_name , null as data from dual ) Select * from tmp Where 1 = case when field_name = 'Oracle' and data is null then I'm on oracle 10gr2. Using case expression inside where clause. Oracle SQL case condition involving one column but changing another. In your case (assuming else -1 means 'no match') : AND g = CASE strfldvar WHEN 'BROKEN_ARROW' THEN x WHEN 'BROKEN_BOX' THEN y ELSE NULL -- never match, even if g is null END A case expression returns a value of any datatype except for boolean that could be compared to another value. BusinessEntityID GROUP BY JobTitle HAVING (MAX(CASE WHEN Gender = 'M' THEN ph1. ID_DOC withount joining the JOBS table. This won't work because BOOLEAN is not a valid SQL data type. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: where (:stateCode = '') or ((:stateCode != '') and vw. sql; sql-server; oracle-database; Share. Rate ELSE NULL The Oracle CASE expression (like DECODE) returns a value, but by itself it is not a predicate which can evaluate to TRUE or FALSE. In your case, I think the clearest code is if you just rewrite it a bit: CASE Statement in the WHERE Clause. By the way, it's better to use abbreviated names oracle where clause with case when. Some databases do, but not Oracle. You are missing smth - see IN after END Replace 'IN' with '=' sign for a single value. SQL/PLSQL Oracle query: CASE in WHERE statement. 2. Oracle query on time (and not date) 0. ) Share. The Oracle case expression is one place in Oracle SQL where Boolean values are used (as conditions, not results), similar to where clause conditions. asked But, there are no other criteria in the WHERE clause so, with a case-insensitive index on (lastname, firstname), SELECT * FROM tabela WHERE 'OK' = CASE WHEN 1 = :parametro and coluna = 1 then 'OK' WHEN 0 = :parametro and coluna in (2, 3) THEN 'OK' END Share Improve this answer THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. Nested CASE statement in the WHERE clause. There should be no performance hit. See the syntax and examples of simple and searched CASE expressions in SELECT, UPDATE, and WHERE clauses. How to select from SQL table WHERE a In this case, the list of values should be concatenated into a single varchar variable, delimited by commas (or anything you like. 7. You use the EXISTS operator in the WHERE clause to The IN clause can only take (a) an expression list or (b) a select statement returning a set of rows. – Jeffrey Kemp CASE <expression> WHEN <comparison expression> THEN <return expression> or. vehicle_id = d1. You can look to the case as a value, so you have to put an operator between the case and the other operand. Thank you! Is that possible a case in a where clause? i'm using oracle10g and toad v9. datrpapsa is null then 'no' else 'si' end as elaborato from dltopst a inner join requisiti b on In a [NOT] IN condition in a WHERE clause, if the right-hand side of the condition is a subquery, you cannot use LEVEL on the left-hand side of the condition. So then you might I'm working in Oracle's APEX environment, trying to return all values in one case and specific values in another case. emp WHERE (CASE WHEN job = 'MANAGER' THEN '1' WHEN job = 'CLERK' THEN '2' ELSE '0' END) IN (1, 2) What is the data type of reportDate?It may be DATE or VARCHAR2 and there is no way to know by just looking at it. IN statement from CASE result inside Where clause Oracle. Hi. Oracle doesn't treat Boolean expressions like other expressions — it handles them as syntax rather than as a type — so CASE expressions can't evaluate to Booleans. – I tried searching around, but I couldn't find anything that would help me out. For example, the following statement is not valid: SELECT employee_id, last_name FROM employees WHERE (employee_id, Oracle - Case in where clause. Thank you! Using Case Statement in Where Clause. The query has case construction in where clause. e OTH). According to Oracle's documentation linked to in the answer, "To write a query that performs an outer join of tables A and B and returns all rows from A (a left outer join), use the LEFT [OUTER] JOIN syntax in the FROM clause, or apply the outer join operator (+) to all columns of B in the join condition in the WHERE clause. Case in where clause. type_id = 29) else (sale. I'm trying to do this in SQL: declare @locationType varchar(50); declare @locationID int; SELECT column1, column2 FROM viewWhatever WHERE CASE @locationType WHEN 'location' THEN account_location = @locationID WHEN 'area' THEN xxx_location_area = @locationID WHEN Summary: in this tutorial, you will learn how to use the Oracle WHERE clause to specify a condition for filtering rows returned by a query. Otherwise, Oracle returns null. One of the multiple ways of writing this would be: Multiple columns in a single WHEN clause while using CASE in oracle. x. You need to establish some condition such that the value returned by the CASE statement can be evaluated. Case when using IN clause. In you first version you have. if :P21_TYPEID value is 1 then in where clause it should be PARENTID_1 in (10,11) otherwise PARENTID_1 = :P21_TYPEID. To match these requirements I tried to make use of the SELECT CASE WHEN clause in the SQL statement as follows: Explanation: In this query, you list the name and ticket details of the passengers traveling with more than one piece of luggage. select * from cardimport where STATUS = CASE WHEN STATUS = '' THEN 'F' ELSE STATUS END If you use a CASE expression such as: AND d1. Oracle implemented this multi-value comparison IN list with a limit of < 100,000 rather than the 1,000 in the normal IN list. Hot Network Questions What should machining (turning, milling, grinding) in space look like The hot chocolate is calling me vs calling my name. Thanks – ronan It works because the CASE has no ELSE clause, meaning it returns NULL if the WHEN clause is not true. ADDRESS3 is null THEN substr(t2. end; In where clause i want Case on where clause ORACLE. wkkvjbe scnp ztcvx drnqmx gojgn ovm fezlr dlve cjwsp uuzb

Oracle case in where clause. Oracle query case statement in the where clause.