局部变量必须以@ 开头,而且必须先用DECLARE 命令说明后才可使用。 使用SELECT 或SET 命令来设定变量的值 说明形式如下: DECLARE @变量名 变量类型 [ @变量名 变量类型] SELECT @局部变量 = 变量值 SET @局部变量= 变量值 如: declare @name char 30 @wage money select @name = e_name @wage = e_wage...
EXEC SQL BEGIN DECLARESECTION; char conn_str[]= "dbname=testdb user=admin password=SecurePass123!"; EXEC SQL END DECLARESECTION; intmain() { EXEC SQL ALLOCATE DESCRIPTOR query_desc WITH MAX10; EXEC SQL CONNECT :conn_str; // 执行查询并绑定描述符 EXEC SQL SELECT id, name INTO :query_de...
这时,需要对存储过程进行重新编译,SQL Server提供三种重新编译存储过程的方法 : 1、在建立存储过程时设定重新编译 语法格式:CREATEPROCEDUREprocedure_nameWITHRECOMPILEASsql_statement 2、在执行存储过程时设定重编译 语法格式: EXECUTEprocedure_nameWITHRECOMPILE 3、通过使用系统存储过程设定重编译 语法格式为:EXECsp_re...
SQL Server Azure SQL 数据库 Azure SQL 托管实例 Azure Synapse Analytics Analytics Platform System (PDW) Microsoft Fabric SQL 数据库 通过指定过程参数,调用程序可以将值传递给过程的主体。 在执行过程期间,这些值可以用于各种目的。 如果将参数标记为 OUTPUT 参数,则过程参数还可以将值返回给调用程序。
//Connect to the local, default instance of SQL Server.{ Server srv =default(Server); srv =newServer();//Declare a JobServer object variable and reference the SQL Server Agent.JobServer js =default(JobServer); js = srv.JobServer;//Define a Credential o...
( [ { @parameter_name [AS] scalar_parameter_data_type [ = default ] } [ ,...n ] ] ) RETURNS @return_variable TABLE < table_type_definition > [ WITH < function_option > [ [,] ...n ] ] [ AS ] BEGIN function_body RETURN ...
] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS @return_variable TABLE [ WITH <function_option> [ , ...n ] ] [ AS ] BEGIN function_body RETURN END [ ; ] Syntax for Transact-SQL function clauses. syntaxsql 复制 <function_option>...
For information about -- how to use scripting variables on the command line and in SQL Server -- Management Studio, see the "Executing Replication Scripts" section in -- the topic "Programming Replication Using System Stored Procedures". DECLARE @publicationDB AS sysname; DECLARE @publication AS...
For all installations of SQL Server, the default compatibility level is associated with the version of the Database Engine. New databases are set to this level unless themodeldatabase has a lower compatibility level. For databases attached or restored from any earlier version of SQL Server, the...
] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS @return_variable TABLE [ WITH <function_option> [ , ...n ] ] [ AS ] BEGIN function_body RETURN END [ ; ] Syntax for Transact-SQL function clauses. syntaxsql 复制 <function_option>...