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ORACLE数据库,数据量大,转移数据到备份表语句

            INSERT INTO TEMP_BUS_TRAVEL_INFO 
( SELECT * FROM BUS_TRAVEL_INFO t where to_Char( start_time,YYYYMMDD)>=20170101 AND to_Char( start_time,YYYYMMDD)<=20170601)

SELECT COUNT(*) FROM TEMP_BUS_TRAVEL_INFO

 

 日期过滤范围把查询出来的结果直接插入到新表中。然后删除。

            INSERT INTO TEMP_BUS_TRAVEL_INFO 
( DELETE  BUS_TRAVEL_INFO t 
            where to_Char( start_time,YYYYMMDD)>=20170101 AND to_Char( start_time,YYYYMMDD)<=20170601)

SELECT COUNT(*) FROM TEMP_BUS_TRAVEL_INFO

 

原文:http://www.cnblogs.com/Early-Bird/p/7883391.html


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