说我有一个MySQL查询像这样： SELECT id,
something,
CASE colour
WHEN 1 THEN 'not ripe'
WHEN 2 THEN 'ripe'
ELSE 'rotten'
END AS 'ripeness'
FROM fruit
WHERE fruit_type = 'app
我有以下查询，我想删除管理部门中的3名员工。 Delete from Employee_tbl where emp_Id = 123 and emp_dep = 'Admin';
Delete from Employee_tbl where emp_Id = 456 and emp_dep = 'Admin';
Delete from Employee_tbl where emp_Id = 7
我使用MS SQL Server 2012中： 这两个查询是： 1： with cte as
(
<some code>
)
delete p from table p join cte on p.id=cte.id
and p.date>cte.date
2： with cte as
(
<some code>
)
delete p from table p join ct
我想通过大量的变量选项来进行一些高级查询的自动化SQL分析。什么我希望做的是类似于以下 set statistics io on
set statistics time on
select *
from MyTable
set statistics time off
set statistics io off
--Somehow return the statistics for
我有这样的SQL查询的SQL查询的性能： IF NOT EXISTS (SELECT TOP 1 RowId
FROM dbo.Cache AS C
WHERE StringSearched = @pcpnpi
AND colName = 'pcpnpi'
AND ModifiedAt > (SELECT ModifiedAt