Case in where clause oracle. COMPARE_TYPE <> 'A' AND T1.
Case in where clause oracle May 16, 2017 · Never forget that in Oracle SQL the '' literal (empty string) is the same as NULL, hence your predicate e. 0. Moreover, your query would have never returned rows with department - "Accounts or Unknown" because of the filter Department="SALES" Try below instead, that will be easy to be fetched by Engine : Oct 30, 2017 · Here is the query that you can use. 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. Technical questions should be asked in the appropriate category. Viewed 14k times 0 I know i could probably accomplish The WHERE clause specifies a search condition for rows returned by the SELECT statement. column2,a. 0000 EST', 'dd-mm-yy hh24:mi:ss. LIBRARYTRANSID THEN 1 when LBT. In the case, I will check if the Operator is equal, greater than or less than. Create Procedure( aSRCHLOGI Jan 14, 2016 · Oracle tries to filter the number of records to be scanned from table by going for the where clause first before select that is why your query fails. Case your column and your string identically. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. “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 Oct 10, 2008 · hello all, Is that possible a case in a where clause? i'm using oracle10g and toad v9. 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 Nov 30, 2021 · 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. Jun 21, 2018 · E. GRP_ID = CASE ? WHEN 0 THEN A. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. Otherwise Feb 9, 2024 · Oracle - Case in where clause. COMPARE_TYPE = 'A' AND T1. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. rating > p_rating or b. You can express this as simple conditions. vehicle_id. vehicle_id END Then when the ELSE condition is matched you will effectively end up with AND d1. vehicle_given = 'YES' THEN d2. 7 WHEN 'D+' THEN 1. column1 is not null then a. 1022. Below is query I am trying to make work using a case statement Oct 20, 2013 · The CASE statement is evaluated in order, so if any "case" is true then every case after it is ignored. 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. for the field b. I knew that we can use case in a select statement. – Jan 7, 2014 · i am having an issue in the where clause of this select. The below is my sample query: 1 SELECT * FROM dual 2 May 2, 2018 · 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 Jun 8, 2016 · Good day Stackoverflow! I have a query that is giving me an error: "Missing Right Parenthesis", at least, so says SQL Developer. Hot Network Questions Cookie cutter argument for nonphysicalism Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. Second problem is that you are trying output a boolean value from your CASE. Feb 20, 2013 · Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. SQL SELECT WHERE field contains words. column2 = b. Oracle CASE expression has two formats: the simple CASE expression and the searched CASE expression. In your case, I think the clearest code is if you just rewrite it a bit: Sep 30, 2016 · I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. column2 from tableb) b where (Case when b. Basically, the following code is what I want, but it's not the Oracle correct syntax. using case when then variable allows you to use complex/compound conditions that case when doesn't. Then filter it in the outer query. As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. 7 WHEN 'F' THEN 0 ELSE Mar 14, 2013 · The CASE statement evaluates multiple conditions to produce a single value. Ask Question Asked 10 years, 8 months ago. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. I gather what you want is logic along the lines of: - If ass_line = '551F', then match any values for assembly line in ('551F','551C','551S') Try writing the where clause this way: WHERE (T2. 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) Sep 10, 2021 · 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: Jan 3, 2014 · 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. LIBRARYTRANSID=LIB. ff TZR') and MY_COL <;= to_timestamp_tz('08-03-17 0 Nov 20, 2015 · i'm using the following query to create a view in oracle 11g (11. 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. I want to use as: when pcustomer_id IS NULL then WHERE c. Sep 1, 2017 · I wrote this oracle procedure to return a rows of data. Jun 23, 2009 · As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. for example. insert_date Oct 25, 2016 · Oracle Case in WHERE Clause with multiple conditions. id_file) as attachments_count, case when sum (f. I want to use the CASE construct after a WHERE clause to build an expression. My query has a CASE statement within the WHERE clause that takes a Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. "2/7/2020") then I want the date range for January. In almost all databases, it comes down to "the optimizer understands boolean expressions". status. create or replace force view v_documents_list ( id_doc, attachments_count, total_dimension, insert_date, id_state, state, id_institute, institute, hasjob ) as select d. Sep 9, 2011 · 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. Nov 28, 2014 · 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 May 5, 2015 · 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. Instead, you need to create logical groupings of OR/AND to combine the BETWEEN with the other matching condition from your case. rating < p_rating, correspondingly in the SQL. ColumnName != '' is equivalent to e. something like select MISC_FLAGS from systemcode where rec_type = 'C' and code_type = 'SAN' and CODE_ID = 'HT'; Aug 20, 2008 · 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. please let me know how to do it. Note: same CASE statement is used in PL/SQL blocks. vehicle_id = d1. oracle where clause with case when. CASE expressions require that they be evaluated in the order that they are defined. IssuedTo='SM' AND LBT. customer_id = pcustomer_id. state_cd in (:stateCode)); Or, even better: Dec 7, 2023 · How to use CASE in the WHERE clause. Does anybody have any idea what the correct syntax should be like? Oct 25, 2017 · I'm trying to avoid dynamic sql. 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 0 else 1 end Feb 6, 2012 · Case on where clause ORACLE. 2. CASE WHEN <condition> THEN <return expression> your query is malformed. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE Feb 26, 2016 · The problem is that Oracle evaluates the SELECT after the WHERE clause. . accounting_dt i have added case but it is throwing exception. Sep 29, 2010 · I want to use Case statement in where clause for Example Select a. IssuedTo='SN' AND LBT. LIBRARYTRANSID THEN 1 WHEN LBT. Oracle SQL CASE statement gives you the flexibility to use sql IF ELSE logic in a SELECT, WHERE and JOIN clause. The searched CASE expression allows multiple comparisons using multiple variables. column1 = b. Because of this, the optimizer will just use a table Sep 7, 2021 · If you use a CASE expression such as: AND d1. 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. I need to check a value from a parameter, and depending on it, apply the right clause. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. SQL "case when" query. e OTH). GRP_ID ELSE ? END And Decode works in a similar fashion, although I think it's less readable. – jarlh. select business_unit, project_id, integration_tmpl, nvl (sum (case when analysis_type = 'act' then summed_amts end), 0) - nvl (sum (case when analysis_type = 'cls' then summed_amts end), 0) - nvl (sum (case when analysis_type Dec 20, 2019 · It's generally better to use AND/OR constructions instead of case expressions in the WHERE clause. The CASE expression matches the condition and returns the value of the first THEN clause. 1. Case Statement on Multiple conditions in Oracle. 0). Apr 24, 2007 · 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. column3 from Table a, (Select distinct b. Your continued use of Oracle Communities Jul 22, 2021 · 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. Mar 22, 2011 · There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. The syntax for the CASE statement in the WHERE clause is shown below. Select CASE SQL Oct 13, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Status may be null, if so I return records of any Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. partnum LIKE sPartStrp||'%') In a simple CASE expression, Oracle Database searches for the first WHEN THEN pair for which expr is equal to comparison_expr and returns return_expr. 3. Create Procedure( aSRCHLOGI Jul 11, 2013 · 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. If you object to any changes, you may request that your account be closed by contacting oracle-forums-moderators_us@oracle. There is a major, major difference between using a CASE expression and boolean expressions in the WHERE clause. – Jeffrey Kemp Jun 8, 2015 · You can use a case: SELECT (columns list) FROM AGREEMENT A WHERE A. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. 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. ACCOUNT = 545 AND A. column2 is not null then a. Aug 4, 2017 · I have the following sql query with select * from MY_TABLE MY_COL >= to_timestamp_tz('08-03-17 07:25:00. column2) Thanks for your help Feb 2, 2017 · They are different uses of a case statement. vehicle_id = CASE WHEN d1. Feb 12, 2014 · You can apply the logic you are attempting, but it is done without the CASE. The following illustrates the syntax of the WHERE clause: SELECT select_list FROM table_name WHERE search_condition ORDER BY sort_expression; Code language: SQL (Structured Query Language) (sql) The WHERE clause appears after the FROM clause but before the Feb 24, 2020 · For the query below, I'm trying to pull a specific date range depending on the current day of the month. Jan 17, 2020 · 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 where empno = :E -- and if :T Jun 30, 2016 · 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. 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 Aug 17, 2010 · Hi All, I'm on oracle 10gr2. No, Oracle can't use boolean expressions as results from functions. Apr 24, 2007 · I want to use the CASE construct after a WHERE clause to build an expression. If none of the WHEN THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. 13. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE Mar 10, 2013 · But, there are no other criteria in the WHERE clause so, with a case-insensitive index on (lastname, firstname), the best you could hope for from the statement you posted is a Full Fast Scan on the index. Otherwise, Oracle returns null. case when Oracle PL SQL CASE in WHERE clause. This won't work because BOOLEAN is not a valid SQL data type. Modified 10 years, 8 months ago. COMPARE_TYPE <> 'A' AND T1. If so, then use b. 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. 7 WHEN 'B+' THEN 3. you can do it differently like this : Apr 2, 2020 · 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. LIBRARYTRANSID THEN 1 ELSE 0 END`enter code here`select * from Tran_LibraryBooksTrans LBT left join Tran @Aleksej: OP should select the answer that best suited his needs. I'm working in Oracle's APEX environment, trying to return all values in one case and specific values in another case. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: where (:stateCode = '') or ((:stateCode != '') and vw. dimension) is null then 0 else sum (f. This is because CASE is designed to return a value, rather than to dynamically construct the SQL inside it. I tried to put it in case statement but it didn't work. The problem you have is that you are trying to force it to return a BOOLEAN value. id_doc, count (f. column1,b. 7 WHEN 'C+' THEN 2. vehicle_id ELSE d1. I do the same for the business_unit column with a second CASE statement. IssuedTo='BO' AND LBT. May 22, 2021 · Yes. ColumnName != null which always evaluates to NULL. Using CASE in WHERE clause in Oracle 12c. dimension) end as total_dimension, d. 3 WHEN 'D' THEN 1 WHEN 'D-' THEN 0. g. x. 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. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions Mar 27, 2012 · These changes document Community specific rules and Oracle’s content moderation practices including use of automated tools, appeals process, and Oracle’s contact details. Create Procedure( aSRCHLOGIC IN Varchar, aPARTSTRP IN VarChar ) Declare sLogic VARCHAR(100) := aSRCHLOGIC; sPartStrp VARCHAR(100); BEGIN SELECT * FROM parts p WHERE ( Case sLogic WHEN (sLogic = 'begins') THEN (p. Both formats support an optional ELSE clause. Or you can slap the case expression directly in the where clause, like so: Oct 20, 2016 · The equals/in has to go after the end of the case. column1,a. if :P21_TYPEID value is 1 then in where clause it should be PARENTID_1 in (10,11) otherwise PARENTID_1 = :P21_TYPEID. depending on one of the input parameter. Aug 17, 2010 · Hi All, I'm on oracle 10gr2. Oct 9, 2013 · select * from Tran_LibraryBooksTrans LBT left join Tran_LibraryIssuedBooks LIB ON case WHEN LBT. See Oracle docs Searched case expression vs case expression. Commented Dec 20, Case on where clause ORACLE. SOME_TYPE NOT LIKE 'NOTHING%') Share For example, you can use the CASE expression in statements such as SELECT, UPDATE, or DELETE, and in clauses like SELECT, WHERE, HAVING, and ORDDER BY. 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. Feb 21, 2012 · CASE() is basically a translator: it returns a value for a given set of conditions. column1 when b. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. Since web search for Oracle case tops to that link, I add here for case statement, Using Case When Clause in Where Clause. Hot Network Questions Why am I not seeing continuity between MC cable sheathing and ground wires? Oct 2, 2018 · (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. com. If it's the 20th or less (e. 0. How can I do it? Jun 26, 2023 · The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. If none of the conditions are true, it returns the value of the ELSE clause. Here my code DECLARE CURSOR cur_contact_without_media (pP Aug 31, 2021 · I am trying to write a "case" statement inside a "where clause" which has an "in" statement in the "then" part. SOME_TYPE LIKE 'NOTHING%') OR (T2. rating = p_rating or b. Jul 11, 2016 · Oracle SQL CASE expression in WHERE clause only when conditions are met. 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 . sgwcm bpyp szcct huxkphx cpvmuo mcql zmj aiueqvw rciknw zhj