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摘要: 目录: 表处理方式 视图 存储 函数 以下案例围绕表Test2020开展 1.新增表 IF NOT EXISTS ( SELECT * FROM sysobjects WHERE id = OBJECT_ID('Test2020') AND type = 'U' ) CREATE TABLE [Te 阅读全文
posted @ 2020-05-15 10:22 chenze 阅读(192) 评论(0) 推荐(0)
摘要: 1.基本语句使用方法 Select Case语句 '定义参数格式 Dim a, b As String Dim c As DataTable Dim d As String="" Dim student As New Student() Select Case a Case "1" b= "aaa 阅读全文
posted @ 2020-05-15 09:43 chenze 阅读(303) 评论(0) 推荐(0)
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