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读书笔记

create database dathonsql1use dathonsql1create table Student(sid varchar(10),sname varchar(10),sage datetime,ssex nvarchar(10));insert into Student values('01' , '赵雷 ' , '1990 01 01' , '男');insert into Student values('02' , '钱电 ' , '1990 12 21' , '男'.