In this example, if the deptno column has a 10 in it, the SQL query will return the value accounting rather than the number 10. If the deptno is not 10, 20, 30, or 40, then the CASE statement will fall through to the ELSE clause, which will return unassigned. Note that with a s...
It’s a good idea to give the expression an alias. This is particularly important if thecaseis in a subquery. How to use CASE in the WHERE clause If you want to find all the exam results with A or B grades, you can place theselectabove in a subquery. Then filter it in the o...
比如：SQL优化案例-使用with as优化Subquery Unnesting（七）select a.sql_text SQL语句, b.etime...
Oracle子查询沿着Case语句导致单行子查询返回多行错误RANK解析函数可以返回每个分区中排名第一的多个行，如...
Oracle子查询沿着Case语句导致单行子查询返回多行错误RANK解析函数可以返回每个分区中排名第一的多个行，...
"String or binary data would be truncated.\r\nThe statement has been terminated." "String or binary data would be truncated" and field specifications “Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered in...
[ ] oracle [ ] postgres [ ] sqlite [ ] sqljs [ ] react-native [ ] expo TypeORM version: [ ] latest [ ] @next [x ] 5.2.2 (or put your version here) Steps to reproduce or a small repository showing the problem: I was looking for a function to use CASE statement through the ...
A case expression allows you to use IF ... THEN ... ELSE in an SQL statement without calling stored procedures. Syntax CASE { simple_case_expression | searched_case_expression } [ ELSE else_expr ] END Simple case expressions expr
Status:VerifiedImpact on me: None Category:MySQL Server: OptimizerSeverity:S3 (Non-critical) Version:5.7.41OS:Ubuntu Assigned to:CPU Architecture:Any [10 Feb 2023 6:27] Taro Suzuki Description:SELECT returns incorrect value when ORDER BY a CASE WHEN value in left-joined subquery.How to repeat...
"String or binary data would be truncated.\r\nThe statement has been terminated." "String or binary data would be truncated" and field specifications “Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered in...