模式： create table records(
id varchar,
updated_at bigint
);
create index index1 on records (updated_at, id);
查询。它迭代最近更新的记录。获取10条记录，记得最后一条，然后取下10条记录等等。 select * from objects
where update
我有一个查询，这需要我的SQL 2008数据库1.4秒。然后我试着用这个模板做子查询： ;with __myResults as (
... my initial query ... already has a column:
row_number() over (ORDER BY ...) as RowNum
)
select * from __myResults wher
这是我的存储过程。 enter image description here USE [Alarm_History]
GO
/****** Object: StoredProcedure [dbo].[Alarm_Summary_R_PRM1] Script Date: 09/14/2017 14:47:14 ******/
SET ANSI_NULLS ON
GO
SET QUOTED