摘要： 日期和时间语句SET DATEFIRSTSET DATEFORMAT锁定语句SET DEADLOCK_PRIORITYSET LOCK_TIMEOUT 杂项语句SET CONCAT_NULL_YIELDS_NULLSET CURSOR_CLOSE_ON_COMMITSET DISABLE_DEF_CNST_CHKSET FIPS_FLAGGERSET IDENTITY_INSERTSET LANG... 阅读全文

摘要： Transact-SQL Optimization Tips*****Try to restrict the queries result set by using the WHERE clause.This can results in good performance benefits, because SQL Server will return to client only particu... 阅读全文