SQL：表格创建学习笔记

CREATE TABLE

语法

CREATE TABLE "table_name"
("column 1" "data type for column 1" [column 1 constraint(s)],
"column 2" "data type for column 2" [column 2 constraint(s)],
...
[table constraint(s)] );

示例

 CREATE TABLE Users
 (
 Id INT PRIMARY KEY,
 UserType NVARCHAR() DEFAULT "管理员",
 Username NVARCHAR() UNIQUE,
 Password NVARCHAR() NOT NULL
 )