Http://www.cnblogs.com/goody9807/archive/2010/10/19/1855697.htmlDynamic SQL statement Basic syntax1: Normal SQL statements can be executed with execEg:select * from TableNameExec (' select * from TableName ')Exec sp_executesql n ' select * from
SummaryThe use of 1,execThe use of 2,sp_executesqlMSSQL provides us with two commands for dynamically executing SQL statements, namely, exec and sp_executesql; Typically, sp_executesql has the advantage of providing an input-output interface that
SQL Server Introduction to the use of exec and sp_executesqlMSSQL There are two commands for dynamically executing SQL statements, exec and sp_executesql, and generally, sp_executesql has the advantage of providing an input-output interface, and
Abstract 1. EXEC 2. Use of sp_executesql MSSQL provides two types of commands for dynamic execution of SQL statements: EXEC and sp_executesql. Generally, sp_executesql has more advantages, it provides an input/output interface, while EXEC does not.
GrammarUse CAST:
CAST (expression as data_type)
Use CONVERT:
CONVERT (data_type[(length)], expression [, style])
ParametersExpression
Is any valid Microsoft SQL Server expression. For more information, see expressions.
Data_type
The data
Description of EXEC and sp_executesql in SQL Server MSSQL provides two types of commands for dynamic execution of SQL statements: EXEC and sp_executesql. Generally, sp_executesql is more advantageous, it provides an input/output interface, while
SyntaxUse CAST:
CAST (expression AS data_type)
Use CONVERT:
CONVERT (data_type [(length)], expression [, style])
ParametersExpression
Is any valid Microsoft SQL Server "expression. For more information, see expressions.
Data_type
The data types
MSSQL provides two types of commands for dynamic execution of SQL statements: exec and sp_executesql. Generally, sp_executesql is more advantageous. It provides an input and output interface, but exec does not. Another major benefit is that the
Summary1. EXEC usage2. Use of sp_executesqlMSSQL provides two types of commands for dynamic execution of SQL statements: EXEC and sp_executesql. Generally, sp_executesql is more advantageous. It provides an input and output interface, but EXEC does
Summary1. EXEC usage2. Use of sp_executesqlMSSQL provides two types of commands for dynamic execution of SQL statements: EXEC and sp_executesql. Generally, sp_executesql is more advantageous. It provides an input and output interface, but EXEC does
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