摘要:
--CTE递归查询 if(object_id(N'menu') > 0) drop table menu CREATE TABLE MENU ( name nvarchar(50) NOT NULL PRIMARY KEY, senior nvarchar(50) NULL ); INSERT INTO MENU values ('文件',NULL), ... 阅读全文
摘要:
create proc dtLink(@dbName varchar(50) --数据库名称)as--查询临时表是否存在if(OBJECT_ID('temp..db') is not null)begin drop table #TempTableend--创建临时表create table ... 阅读全文
摘要:
declare @a int = ASCII('A')declare @b int = ASCII('F')declare @c int = 1while(@a @b) begin if(@c = 1) begin set @a = ASCII('a') set @b = ASCII(... 阅读全文