Visual studio 创建文件时自动添加备注 描述 要求每回添加一个类,普通类或单元测试类文件头自动添加备注, 比如:Copyright, FileName, Author and so on. 普通类文件 操作步骤: 1. 找出Class.cs, 存放位置:C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class. 2. 编辑Class.cs文件
大家好,我是小皓. 一.背景 今天在博主练习MYS创建表操作时遇到一个语法报错,就想着来和大家分享一下MYSQL如何在创建表时添加判断条件: ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '[if not exists] tb_name(
CREATE TABLE t1(id varchar2(32) primary key,name VARCHAR2(32) ,age VARCHAR2(32) );comment on column t1.id is 'id';comment on column t1.name is '姓名';comment on column t1.age is '年龄';