drop table [表名] 3 判断存储过程是否存在 Sql代码 if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop procedure [存储过程名] 4 判断临时表是否存在 Sql代码 if object_id(’tempdb..#临时表名’) is not null dr...
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[存储过程名]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) --drop procedure [dbo].[存储过程名] GO 4、判断表是否存在 if exists (select * from dbo.sysobjects where id=object_id(N'[dbo].表名') and OBJECTPROPE...
if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop procedure [存储过程名] if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop ...
CREATE PROCEDURE关键字用于创建存储过程。 CheckResultSetExists是存储过程的名称。 @QueryCondition是存储过程的输入参数,用于传递查询条件。 IF EXISTS语句用于判断结果集是否存在。 SELECT * FROM YourTable WHERE YourCondition = @QueryCondition是查询语句,用于获取结果集。 RETURN语句用于返回结果集的存在与否。 DECLAR...
drop procedure [存储过程名] if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop procedure [存储过程名] 4 判断临时表是否存在 Sql代码 if object_id(’tempdb..#临时表名’) is not null ...
I'm trying to create a stored procedure that get a Key and Name (both varchar), the procedure will check if a the key allready exists in the table, if it exists it will update the name, if its not exists it will add it to the table.. ...
DROP PROCEDURE IF EXISTS `proc_adder`; DELIMITER ;; CREATE DEFINER=`root`@`localhost` PROCEDURE `proc_adder`(IN a int, IN b int, OUT sum int) BEGIN DECLARE c int; if a is null then set a = 0; end if; if b is null then set b = 0; end if; set sum = a + b; END ;;...
Use a stored procedure. Copy IF EXISTS(SELECT ID, StartTime, EndTime, EventName, UserID, Details FROM EventTable WHERE (DATEPART(day, StartTime) = DATEPART(day, @startTime)) AND (UserID=@userID)) BEGIN SELECT 'This record already exists!' ...
在此示例中，IF...ELSE 语句在存储过程中的 INSERT 语句后检测 @@ERROR。@@ERROR 变量的值将决定发送给调用程序的返回代码，以指示此过程的成功与失败。复制代码 USE AdventureWorks;GO -- Drop the procedure if it already exists.IF OBJECT_ID(N'HumanResources.usp_DeleteCandidate', N'P') IS...
SQL_CU_PROCEDURE_INVOCATION = ODBC 过程调用语句支持目录。SQL_CU_TABLE_DEFINITION = 所有表定义语句都支持目录:CREATE TABLE、CREATE VIEW、ALTER TABLE、DROP TABLE 和DROP VIEW。SQL_CU_INDEX_DEFINITION = 所有索引定义语句都支持目录: CREATE INDEX 和DROP INDEX。SQL_CU_PRIVILEGE_DEFINITION = 所有特权定义...