mssql num rows

PHP's own extended Php_mssql.dll connects SQL Server 2000, operates with the MSSQL series functions, and operates as MySQL. 1, open the PHP configuration file php.ini, find; Extension=php_mssql.dll remove the semicolon from the front. 2, find

Ways to improve query speed with data above millions:1. Try to avoid using the! = or <> operator in the WHERE clause, or discard the engine for a full table scan using the index.2. To optimize the query, avoid full-table scanning as far as possible,

Principles of database indexing1, to determine whether the operation for the table is a large number of query operations or a large number of additions and deletions to change operations.2, try to build an index to help a particular query. Check

Ways to improve query speed with data above millions:1. Try to avoid using the! = or <> operator in the WHERE clause, or discard the engine for a full table scan using the index.2. To optimize the query, avoid full-table scanning as far as possible,

The following articles are reproduced in: http://www.cnblogs.com/luluping/archive/2009/08/06/1540763.html#undefinedRecently due to work needs, hope that a more comprehensive summary underSQL SERVERDatabase performance Optimization related

1. To optimize the query, avoid full-table scanning as far as possible, and first consider establishing an index on the columns involved in the Where and order by. 2. Try to avoid using the! = or <> operator in the WHERE clause, or discard the

I have previously written an article to sort and mentioned the ROW_NUMBER () function. However, many people did not know the detailed usage of this function for the first time.MK is posted here for your reference:Three methods for Mssql to obtain

It is more efficient to use stored procedures on SQL Server pages.Create proc p_show @ Querystr varchar (8000), -- table name, view name, query statement @ Pagesize Int = 10, -- size of each page (number of rows) @ Pagecurrent Int = 1, -- the page

1. Brief descriptionADODB is a common database operations library in PHP, ADODB currently supports MySQL, PostgreSQL, Oracle, Interbase, Microsoft SQL Server, Access, FoxPro, Sybase, ODBC and ADO, you can download ADODB from

It is more efficient to use stored procedures on SQL Server pages.The following stored procedure is found in the SQL area. Certificate -------------------------------------------------------------------------------------------------------------------