在SQL中显示超过3个月的记录 [英] Display record older than 3 months in sql

问题描述

我需要创建一个SSIS程序包，该程序将通过一个在 3个月内的table(T1)记录中的记录(基于ALERT_TIMESTAMP)并将其移动到另一个table(T2)

I need to create a SSIS package that will go through the records in one table(T1) older than 3 months (based on ALERT_TIMESTAMP) and move them to another table(T2)

我的查询是:

SELECT * FROM T1
WHERE (DATEDIFF([month], ALERT_TIMESTAMP, GETDATE()) > 3)

Alert_timestamp列为Datetime格式.例如:'10/26/2012 12:00:00 AM'

当我运行查询时，它应该显示所有早于 3个月的记录，但不会.

When I run the query it should display all the records that are older than 3 months, but it does not.

推荐答案

尝试一下

select * from `table` where `yourfield` >= DATE_SUB(CURDATE(), INTERVAL 3 MONTH)

年份，年份请参见以下示例.

For days, year see below for example.

DATE_SUB(CURDATE(), INTERVAL 15 DAY) /*For getting record specific days*/

DATE_SUB(CURDATE(), INTERVAL 1 YEAR) /*for getting records specific years*/

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对于Anand，查询

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For Anand, query

BETWEEN DATE_SUB( CURDATE( ) ,INTERVAL 6 MONTH ) AND DATE_SUB( CURDATE() ,INTERVAL 3 MONTH ) 
/* For Getting records between last 6 month to last 3 month

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