小菜菜mysql練習50題解析——資料準備

小菜菜的陽光發表於2019-01-28

附上資料準備:

學生表

create table Student(SId varchar(10),Sname varchar(10),Sage datetime,Ssex varchar(10));
insert into Student values(`01` , `趙雷` , `1990-01-01` , `男`);
insert into Student values(`02` , `錢電` , `1990-12-21` , `男`);
insert into Student values(`03` , `孫風` , `1990-12-20` , `男`);
insert into Student values(`04` , `李雲` , `1990-12-06` , `男`);
insert into Student values(`05` , `周梅` , `1991-12-01` , `女`);
insert into Student values(`06` , `吳蘭` , `1992-01-01` , `女`);
insert into Student values(`07` , `鄭竹` , `1989-01-01` , `女`);
insert into Student values(`09` , `張三` , `2017-12-20` , `女`);
insert into Student values(`10` , `李四` , `2017-12-25` , `女`);
insert into Student values(`11` , `李四` , `2012-06-06` , `女`);
insert into Student values(`12` , `趙六` , `2013-06-13` , `女`);
insert into Student values(`13` , `孫七` , `2014-06-01` , `女`);

科目表 Course

create table Course(CId varchar(10),Cname nvarchar(10),TId varchar(10));
insert into Course values(`01` , `語文` , `02`);
insert into Course values(`02` , `數學` , `01`);
insert into Course values(`03` , `英語` , `03`);

教師表 Teacher

 
create table Teacher(TId varchar(10),Tname varchar(10));
insert into Teacher values(`01` , `張三`);
insert into Teacher values(`02` , `李四`);
insert into Teacher values(`03` , `王五`);

成績表 SC

create table SC(SId varchar(10),CId varchar(10),score decimal(18,1));
insert into SC values(`01` , `01` , 80);
insert into SC values(`01` , `02` , 90);
insert into SC values(`01` , `03` , 99);
insert into SC values(`02` , `01` , 70);
insert into SC values(`02` , `02` , 60);
insert into SC values(`02` , `03` , 80);
insert into SC values(`03` , `01` , 80);
insert into SC values(`03` , `02` , 80);
insert into SC values(`03` , `03` , 80);
insert into SC values(`04` , `01` , 50);
insert into SC values(`04` , `02` , 30);
insert into SC values(`04` , `03` , 20);
insert into SC values(`05` , `01` , 76);
insert into SC values(`05` , `02` , 87);
insert into SC values(`06` , `01` , 31);
insert into SC values(`06` , `03` , 34);
insert into SC values(`07` , `02` , 89);
insert into SC values(`07` , `03` , 98);

練習工具:navicat for mysql

 
 
 

相關文章