{{ @local_variable [AS] data_type } | [ = value ] } | { @cursor_variable_name CURSOR }} [,...n] | { @table_variable_name [AS] | <user-defined table type> } ::= TABLE ( { <column_definition> | } [ ,... ] ) <column_definition> ::= column_name { scalar_...
存储过程存储过程DECLARE @variable_name data_typeSET @variable_name = valueSELECT @variable_name = column_name查询结果 序列图中,存储过程通过DECLARE语句声明一个变量,并使用SET语句将值赋给变量。此外,存储过程还可以使用SELECT语句将查询结果直接赋值给变量。 总结起来,SQL Server存储过程中的DECLARE赋值提供了一...
This statement represents declare @variable statement except table declarations.C# 複製 [System.Serializable] public class DeclareVariableStatement : Microsoft.SqlServer.TransactSql.ScriptDom.TSqlStatementInheritance Object TSqlFragment TSqlStatement DeclareVariableStatement ...
a generated column a default expression the body of a persisted SQL UDF the body of a persisted view Temporary variables are also calledsessionvariables. Syntax DECLARE [ OR REPLACE ] [ VARIABLE ] variable_name [ data_type ] [ { DEFAULT | = } default_expression ] ...
以下为 SQL Server 和 Azure SQL 数据库的语法:syntaxsql 复制 DECLARE { { @local_variable [AS] data_type [ = value ] } | { @cursor_variable_name CURSOR } } [ ,...n ] | { @table_variable_name [AS] } ::= TABLE ( { <column_definition> | | } } [ ,...n ...
Transact-SQL 語法慣例 Syntax ISO 語法: syntaxsql複製 DECLAREcursor_name[INSENSITIVE] [SCROLL]CURSORFORselect_statement[FOR{READ_ONLY|UPDATE[OFcolumn_name[ , ...n ] ] } ] [ ; ] Transact-SQL 擴充語法: syntaxsql複製 DECLAREcursor_nameCURSOR[LOCAL|GLOBAL] [FORWARD_ONLY|SCROLL] [STATIC|KEYSET|...
Transact-SQL 语法约定 语法 DECLARE { {{ @local_variable [AS] data_type } | [ =value ] } | { @cursor_variable_name CURSOR } } [,...n] | { @table_variable_name [AS] | <user-defined table type> } ::= TABLE ( { <column_definition> | } [ ,... ] ) <column_definitio...
下列是 SQL Server 和 Azure SQL Database 的語法:syntaxsql 複製 DECLARE { { @local_variable [AS] data_type [ = value ] } | { @cursor_variable_name CURSOR } } [ ,...n ] | { @table_variable_name [AS] } ::= TABLE ( { <column_definition> | | } } [ ,...n ] ) ...
DECLARE { { { @local_variable [AS] data_type } | [ = value ] } | { @cursor_variable_name CURSOR } } [,…n] | { @table_variable_name [AS] | <user-defined table type> } ::= TABLE ( { <column_definition> | } [ ,… ] ) <column_definition> ::= column_name { scal...
Transact-SQL 语法约定 语法 ISO 语法: syntaxsql复制 DECLAREcursor_name[INSENSITIVE] [SCROLL]CURSORFORselect_statement[FOR{READ_ONLY|UPDATE[OFcolumn_name[ , ...n ] ] } ] [ ; ] Transact-SQL 扩展语法: syntaxsql复制 DECLAREcursor_nameCURSOR[LOCAL|GLOBAL] [FORWARD_ONLY|SCROLL] [STATIC|KEYSET|DY...