Database Table migration and replication SQL operations

Source: Internet
Author: User

Database Table migration and replication SQL operations

In projects, if we want to back up the table data, copy the original table to another table. Of course, the fields must be consistent.

The following are the test SQL statements.

Insert into Tb_Dispatch_Mail_History (mail_no, post_batchno) select mail_no, post_batchno from Tb_Dispatch_Mail_Post tp where tp. post_batchno = '2016'

The test is passed.
Tb_Dispatch_Mail_History
See the following table

Tb_Dispatch_Mail_Post
The migrated data.

Insert into Table select... This form.

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