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Source:it168 Date: 2011-04-12 11:04 read: 10,820 recommendations: 1 original link [favorites] The following are for Windows 32-bit system environments where 64-bit is not described in the following scenario. User-mode and kernel-mode (users mode&
SQL has many built-in functions that can be used for counting and computation.Syntax of the functionThe syntax for the built-in SQL function is:SELECT function (column) from tableTypes of functionsIn SQL, there are several kinds of basic function
Always want to find some of the SQL statement performance debugging authoritative reference, but there is no reference may not be able to do debugging 2 of the work. I am convinced that the experience gained in practice is the most precious, and
Always want to find some of the SQL statement performance debugging authoritative reference, but there is no reference may not be able to do debugging 2 of the work. I am convinced that the experience gained in practice is the most precious, and
1. Basic concepts of data, database and data management systems:Data: Symbolic representation of human useful information.database: A warehouse that organizes, stores, and manages data in accordance with its data structure.Database management System
The table-valued parameter is a new parameter type in SQL Server 2008. Table-valued parameters are declared using a user-defined table type. With table-valued parameters, you can send multiple rows of data to a Transact-SQL statement or routine,
problem While indexes can speed up Execution of queries several fold as they can make the querying process faster, there are overhead associated with them. They consume additional disk space and require additional time to update themselves
stored procedure encryption
In fact, with this more than 10-year SQL Server, I've become a true fan of the stored procedures. When dealing with business logic directly using SQL statements or stored procedures, I basically choose the latter without
Original: Anatomy of SQL Server 13th integers storage format in row compression and page compression (translated)Anatomy of SQL Server 13th integers storage format in row compression and page compression
Http://www.cnblogs.com/zhijianliutang/archive/2012/10/28/2743722.htmlWhen we have a larger amount of data, we need to split the large tables into smaller tables, and queries that only access departmental data can run faster, the rationale being that
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