摘要:
/*题目如何产生1万个编号,插入到表T(colvarchar(20))中,并且不能重复,编号只能从26个小写字母中取.*/--1.当时的写法select'a'ascolinto#tunionselect'b'unionselect'c'unionselect'd'unionselect'e'unionselect'f'unionselect'g'unionselect'h'unionselect'... 阅读全文
摘要:
--创建表并填充数据createtableb_dist(idint,namevarchar(20),deptvarchar(20))insertintob_distvalues(1,‘abc‘,‘sales‘)insertintob_distvalues(2,‘abc‘,‘sales‘)insertin... 阅读全文