case when in sql server's stored procedure https://docs.microsoft.com/en-us/sql/t-sql/language-elements/case-transact-sql Evaluates a list of conditions and returns one of multiple possible result expressions. The CASE expression hastwo formats: The simple CASE expression compares an expression ...
case when in sql server's stored procedure https://docs.microsoft.com/en-us/sql/t-sql/language-elements/case-transact-sql Evaluates a list of conditions and returns one of multiple possible result expressions. The CASE expression hastwo formats: The simple CASE expression compares an expression ...
CREATE PROCEDURE `p_updrec`( IN id varchar(10) , IN n_str varchar(30) , IN v_str varchar(30) ) BEGIN CASE n_str WHEN n_str = 'profileStatus' THEN UPDATE tbl_contact SET status = 'A' WHERE id = id; -- The above statement updates the entire table instead of the right row ...
exec('select top 100 * from'+@ObjectName+'with(nolock)') WHEN'P'THEN exec('sp_helptext'+@ObjectName) WHEN'FN'THEN exec('sp_helptext'+@ObjectName) else select'不明对象,不能取出对应信息.'asErrorMessage End End 提示错误如下: 正确写法如下: 看看你知道问题错在哪里没有 createPROCEDUREUSP_G...
SQL Server Azure SQL 数据库 Azure SQL 托管实例 适用于:Azure SQL 数据库 和 SQL Server(从 SQL Server 2017 (14.x) 开始) 本机编译的 T-SQL 模块支持 CASE 表达式。 下面的示例演示了在查询中使用 CASE 表达式的方法。 -- Query using a CASE expression in a na...
MySQL 存储过程是一种预编译的 SQL 代码块,可以通过调用执行。CASE语句在存储过程中用于条件判断,类似于编程语言中的if-else结构。以下是CASE语句在MySQL存储过程中的基本写法: 代码语言:txt 复制 DELIMITER // CREATE PROCEDURE example_case_procedure(IN input INT) ...
简单的说,存储过程是一条或者多条SQL语句的集合,可视为批文件,但是其作用不限于批处理。 我们常用的操作数据库语言SQL语句在执行的时候需要要先编译,然后执行,而存储过程(Stored Procedure)是一组为了完成特定功能的SQL语句集,经编译后存储在数据库中,用户通过指定存储过程的名字并给定参数(如果该存储过程带有参数)来...
EXPERT SYSTEM APPLICATION FOR DIAGNOSE DISEASE BABY FEVER IN USING MS VISUAL BASIC 6.0 AND MS SQL SERVER 2000 Scientific Writing this, discussing about how to create an expert system application using Ms Visual Basic 6.0. Expert system is a field of intelligence of the most popular technique toda...
Hi all We've just started project to support MariaDB database in addition to MsSql. In legacy Ms code we had parameter with ParameterDirection.ReturnValue in every sp in our DAL engine and it does not caused any issues, but with MariaDB ...
Object must implement IConvertible. in Object Data Source ODBC Connection To SQL Server Slow OLEDBConnection.Open() generates ‘Unspecified error’ one stored procedure for multiple databases OPENROWSET ( CAN WE CREATE FILE WITHOUT EXCEL TEMPLATE??) ...