| ■删除重复记录,将TABLE_NAME中的...... 删除重复记录,将TABLE_NAME中的不重复记录保存到#TABLE_NAME中 select distinct * into #table_name from table_name delete from table_name select * into table_name from #table_name drop table #table_name 与此相关的是“select into”选项，可以在数据库属性 对话框中，勾起来此项，或者在Query Analyzer中执行 execute sp_dboption 'db_name','select into','true' 开启。默认值是关闭的。 ************************************* 收缩事务日志(多次执行) backup log register with NO_LOG backup log register with TRUNCATE_ONLY DBCC SHRINKDATABASE(register) |
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