sql case exist
Use CASE : SELECT TABEL1.Id, CASE WHEN EXISTS (SELECT Id FROM TABLE2 WHERE TABLE2.ID = TABLE1.ID) THEN 'TRUE' ELSE ..., SELECT CASE WHEN EXISTS(subquery) THEN... There are some situations you can't use it (e.g. in a group by clause IIRC), but SQL should ...
| 相關軟體 PostgreSQL 資訊 | |
|---|---|
 sql case exist 相關參考資料
Case When Exists SQL - PeopleSoft Wiki
The Case-When-Exists expression in Oracle is really handy. Here's an example of how to use it in a sub-select to return a status. This SQL checks for a match ... http://peoplesoft.wikidot.com How to use SQL Select statement with IF EXISTS sub query? - Stack ...
Use CASE : SELECT TABEL1.Id, CASE WHEN EXISTS (SELECT Id FROM TABLE2 WHERE TABLE2.ID = TABLE1.ID) THEN 'TRUE' ELSE ... https://stackoverflow.com How to use WHEN EXISTS inside a CASE Statement - SQL Server Central
SELECT CASE WHEN EXISTS(subquery) THEN... There are some situations you can't use it (e.g. in a group by clause IIRC), but SQL should ... https://www.sqlservercentral.c Oracle SQL query with CASE WHEN EXISTS subquery optimization ...
To address the not exists issue, you can add a join: LEFT JOIN (select distinct id_doc from JOB) J ON d.id_doc = J.id_doc. The Has_job column ... https://stackoverflow.com SQL CASE exist then value - Stack Overflow
proc sql supports exists . I suspect the problem might be the double quotes: PROC SQL; CREATE TABLE WORK.test AS SELECT a.sku, a.family_set, ... https://stackoverflow.com SQL: case-when statement with "exists" - Stack Overflow
It looks like you're missing the END for the CASE statement? select foo, (case when exists (select x.foo from somedb x where x.bar > 0) then '1' else '0' END) as ... https://stackoverflow.com Update with the Case When Exists clause - Stack Overflow
You have not correlated your subquery to your UPDATE query (Employees). You probably thought you were doing that with your JOIN, but in ... https://stackoverflow.com Use CASE statement to check if column exists in table - SQL Server ...
Final answer was a combination of two of the above (I've upvoted both to show my appreciation!): select case when exists ( SELECT 1 FROM Sys.columns c ... https://stackoverflow.com WHERE CASE WHEN statement with Exists - Stack Overflow
This may help you. SELECT * FROM dbo.CompanyMaster WHERE AreaId= (CASE WHEN EXISTS (SELECT BusinessId FROM dbo.AreaSubscription WHERE ... https://stackoverflow.com WHERE CASE WHEN THEN statement with Exists - Stack Overflow
The where clause in SQL needs to be comparing something to something else. It looks like you are simply trying to say "bring back everything ... https://stackoverflow.com |