模式： create table records(
id varchar,
updated_at bigint
);
create index index1 on records (updated_at, id);
查詢。它迭代最近更新的記錄。獲取10條記錄，記得最後一條，然後取下10條記錄等等。 select * from objects
where update
我有一個查詢，這需要我的SQL 2008數據庫1.4秒。然後我試着用這個模板做子查詢： ;with __myResults as (
... my initial query ... already has a column:
row_number() over (ORDER BY ...) as RowNum
)
select * from __myResults wher
這是我的存儲過程。 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