SELECT CASE WHEN EXISTS ( SELECT UserID, ResumeID AS PreviouslyViewed FROM MVJ_ProfileViews WHERE UserID = [User:UserID] AND ResumeID = [TknParams:ResumeID] ) THEN CAST(1 AS BIT) ELSE CAST(0 AS BIT) END AS result智能推荐Invalidate(TRUE)与Invalidate(FALSE)的区别 转自:http://m.blog...
案例代码详解 开发工具： eclipse-mars jdk1.7.0_79 整体代码： package teacher01; import java.util...
else print 'z > y' --CASE use pangu update employee set e_wage = case when job_level = ’1’ then e_wage*1.08 when job_level = ’2’ then e_wage*1.07 when job_level = ’3’ then e_wage*1.06 else e_wage*1.05 end --WHILE CONTINUE BREAK declare @x int @y int @c int sel...
tsql-从一组行中提取第一个匹配项您还可以通过聚合来实现这一点：
ifnotexists(select*fromdbo.sysobjectswhereid=object_id(N'dbo.f_MakeDate')andtypein(N'FN',N'IF',N'TF',N'FS',N'FT'))exec('create function dbo.f_MakeDate() returns int as begin declare @retval int return @retval end')go alterfunctiondbo.f_MakeDate(@Daydatetime,@Hourint,@Minuteint)...
介绍一下TSQL与PL/SQL的区别 1)数据类型 2)变量声明、赋值与引用 3)函数与操作符 字符串 日期 空值判断与处理 转换 语句 4)cursor 5)trigger 6)procedure 7)数据字典/系统表 8)SQL 9)全局变量 10)命令行查询工具 ISQL SQL PLUS 读取、执行SQL文件 ...
1. 支持多种 Oracle 数据库中的 SQL 语句类型,如 SELECT、INSERT、UPDATE、DELETE、CREATE、DROP、ALTER、EXECUTE、COMMIT、ROLLBACK、SAVEPOINT、TRANSACTION、TRY/CATCH、EXIT、THROW、DECLARE、ASSIGNMENT、CONDITIONAL_CASE、CASE、WHEN、THEN、ELSE、END、INTERSECT、UNION、EXCEPT、EXISTS、INNER_JOIN、LEFT_JOIN、RIGHT_...
RAISERROR('TABLE OR VIEW with schema "%s" and name "%s" does not exists or you do not have appropriate permissions.',16,1, @TABLE_SCHEMA, @TABLE_NAME) ELSE BEGIN SELECT @FinalStatement = 'SELECT ' + LEFT(@Statement2, LEN(@Statement2) -2) +...
A stored procedure returning a boolean value indicating wheter a specified value exists in a table. A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.) A USE database statement is not allow...
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_createjob]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[p_createjob] GOcreate proc p_createjob @jobname varchar(100), --作业名称 ...