SqlServer导入大文件Sql

 sqlcmd -S "192.168.1.218" -U "sa" -P "1qaz~xsw2" -d "SispMain" -i "G:\script.sql"

Oracle导入Tmp

imp orcl/orcl@orcl full=yes file=D:\jddatabak\20180413_linux_0.dmp

Merge语法

Merge into [dbo].[DisabledInfo] AS T
Using [dbo].[DisabledInfoBak] AS S
ON T.IdNumber = S.[IdNumber]
WHEN MATCHED
THEN UPDATE SET T.[Nation] = S.[Nation];