CREATE OR REPLACE PROCEDURE 是一个SQL语句通知Oracle数据库去创建一个叫做skeleton存储过程, 如果存在就覆盖它; 行2: IS关键词表明后面将跟随一个PL/SQL体。 行3: BEGIN关键词表明PL/SQL体的开始。 行4: NULL PL/SQL语句表明什么事都不做,这句不能删去,因为PL/SQL体中至少需要有一句; 行5: END关键词表明...
if(@CountryCode='') begin set @sql=@sql if(@Version='') begin set @sql = @sql +' order by id desc' end else begin set @sql = @sql + ' and Version='''+@Version +''' order by id desc' end end else begin set @sql=@sql if(@Version='') begin set @sql=@sql +' and ...
SQL Kopiera IF DATENAME(weekday, GETDATE()) IN (N'Saturday', N'Sunday') SELECT 'Weekend'; ELSE SELECT 'Weekday'; For more examples, see ELSE (IF...ELSE) (Transact-SQL).Examples: Azure Synapse Analytics and Analytics Platform System (PDW)The following example uses IF...ELSE to ...
在SQL Server中使用If Else可以通过使用条件语句来实现。条件语句可以根据满足特定条件的情况执行不同的代码块。 下面是在SQL Server中使用If Else的基本语法: ``` I...
else if @town='bbb' begin //sql语句 end else begin //sql语句 end update t_stat_info set…… GO存储过程人门 字号[大中小] 分类:SQL存储过程|标签:beck716.chaokuai.com 课程目标: 一、TRUNCATE 二、Select INTO建表 把一个表中的数据复制到另外一个表中。
Transact-SQL language reference for IF-ELSE statements to provide control flow in Transact-SQL statements.
IF..ELSE..在存储过程的使用规范 IF..ELSE..在存储过程的使用规范 分类：ＳＱＬ存储过程 (@city nvarchar(20),@town nvarchar(20),@village nvarchar(20))asdeclare @num numeric(10)declare @yd_num numeric(10)declare @lt_num numeric(10)declare @gh_num numeric(10)declare @xlt_num numeric(10)...
else if @town='bbb' begin//sql语句endelsebegin//sql语句endupdate t_stat_info set……GO 存储过程人门 字号[大 中 小] 分类:SQL存储过程 | 标签:beck716.chaokuai.com 课程目标:一、TRUNCATE二、Select INTO 建表 把一个表中的数据复制到另外一个表中。三、Insert INTO Select四、补充:临时表 ...
An IF...ELSE construct can be used in batches, in stored procedures, and in ad hoc queries. When this construct is used in a stored procedure, it is frequently used to test for the existence of some parameter. IF tests can be nested after another IF or following an ELSE. The limit ...
An IF...ELSE construct can be used in batches, in stored procedures, and in ad hoc queries. When this construct is used in a stored procedure, it is frequently used to test for the existence of some parameter. IF tests can be nested after another IF or following an ELSE. The limit ...