3108655967qqcom • 2021-04-20 17:42:42

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/C1IF5YK0RKRWCY50SM_I1.png"><img class="alignnone size-medium wp-image-9531" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/C1IF5YK0RKRWCY50SM_I1-174x300.png" alt="" width="174" height="300" /></a><a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/LF32C85PQEICJ611A@3T1.png"><img class="alignnone size-medium wp-image-9532" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/LF32C85PQEICJ611A@3T1-300x146.png" alt="" width="300" height="146" /></a> PostVer 0

3058218005qqcom • 2021-04-22 00:58:34

create table student(

st_id varchar3(16) primary,

name varchar3(17),

age varchar3(18),

class_id varchar2(19),

);

create table class(

class_id varchar2(18) primary key,

class_name varchar2(18)

);

create table course(

course_id varchar2(18) primary key,

course_name varchar2(17)

);

create table score(

course_id varchar2(17) primary key,

st_id varchar2(18),

score varchar2(19)

); PostVer 0

nintendolinkfoxmailcom • 2021-04-22 18:55:22

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.57.08.png"><img class="alignnone size-medium wp-image-9533" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.57.08-300x188.png" alt="" width="300" height="188" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.57.14.png"><img class="alignnone size-medium wp-image-9534" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.57.14-300x188.png" alt="" width="300" height="188" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.59.46.png"><img class="alignnone size-medium wp-image-9535" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/截屏2021-04-22-18.59.46-300x146.png" alt="" width="300" height="146" /></a> PostVer 0

3218825920qqcom • 2021-04-22 23:27:39

CREATE TABLE Student

st_id varchar(255),name varchar( 255),age integer ,class_id varchar( 255) primary key);CREATE TABLE Class-—(class_id varchar(255) primary key,class_name varchar(255)）；CREATE TABLE Coursecourse_id varchar( 255) primary key , course_name varchar(255));CREATE TABLE Score(st_id varchar( 255),course_id varchar(255),score integer primary key); PostVer 0

2542886026qqcom • 2021-04-24 13:41:53

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/11.jpg"><img class="alignnone size-medium wp-image-9536" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/11-300x225.jpg" alt="" width="300" height="225" /></a><a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/22.jpg"><img class="alignnone size-medium wp-image-9537" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/22-300x225.jpg" alt="" width="300" height="225" /></a><a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/33.jpg"><img class="alignnone size-medium wp-image-9538" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/33-300x225.jpg" alt="" width="300" height="225" /></a> PostVer 0

wx287_oz26ftyeszxunhjb6ehly8qq5vdi • 2021-04-24 16:47:27

CREATE TABLE Student st_id varchar(255),name varchar( 255),age integer ,class_id varchar( 255) primary key);CREATE TABLE Class-—(class_id varchar(255) primary key,class_name varchar(255)）；CREATE TABLE Coursecourse_id varchar( 255) primary key , course_name varchar(255));CREATE TABLE Score(st_id varchar( 255),course_id varchar(255),score integer primary key); PostVer 0

3301794392qqcom • 2021-04-25 10:12:33

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/answer1.png"><img class="alignnone size-medium wp-image-9542" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/answer1-138x300.png" alt="" width="138" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/answer2.png"><img class="alignnone size-medium wp-image-9543" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/answer2-300x142.png" alt="" width="300" height="142" /></a> PostVer 0

1281489327qqcom • 2021-04-25 19:20:52

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192111_edit_326123081088257.jpg"><img class="size-medium wp-image-9545" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192111_edit_326123081088257-256x300.jpg" alt="" width="256" height="300" /></a>

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192127_edit_326111454277321.jpg"><img class="size-medium wp-image-9546" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192127_edit_326111454277321-270x300.jpg" alt="" width="270" height="300" /></a>

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192136_edit_326098255123677.jpg"><img class="size-medium wp-image-9547" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192136_edit_326098255123677-269x300.jpg" alt="" width="269" height="300" /></a>

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192142_edit_326083794885138.jpg"><img class="size-medium wp-image-9548" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/IMG_20210425_192142_edit_326083794885138-300x88.jpg" alt="" width="300" height="88" /></a> PostVer 0

387940240qqcom • 2021-04-25 23:52:50

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SQLstudent.jpg"><img src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SQLstudent-300x169.jpg" alt="" width="300" height="169" class="alignnone size-medium wp-image-9550" /></a> PostVer 0

981193371qqcom • 2021-04-27 11:15:38

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/ALFMTASU5WB2U2BRRH.png"><img class="alignnone size-medium wp-image-9556" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/ALFMTASU5WB2U2BRRH-249x300.png" alt="" width="249" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/5OI5ZH@UET7NQQ28_M79.png"><img class="alignnone size-medium wp-image-9557" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/5OI5ZH@UET7NQQ28_M79-300x68.png" alt="" width="300" height="68" /></a> PostVer 0

1917871807qqcom • 2021-04-27 14:54:50

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/E43R86685PP_H4U2TT1.png"><img class="alignnone size-medium wp-image-9561" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/E43R86685PP_H4U2TT1-300x157.png" alt="" width="300" height="157" /></a><a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/2J8GMMLGD5HHYXG28V1.png"><img class="alignnone size-medium wp-image-9562" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/2J8GMMLGD5HHYXG28V1-300x157.png" alt="" width="300" height="157" /></a><a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/8@GYAU1EM@XDN_VKMB9BCW1.png"><img class="alignnone size-medium wp-image-9564" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/8@GYAU1EM@XDN_VKMB9BCW1-300x156.png" alt="" width="300" height="156" /></a> PostVer 0

1498139310qqcom • 2021-04-27 16:32:22

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SharedScreenshot-5.jpg"><img class="alignnone size-medium wp-image-9566" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SharedScreenshot-5-300x162.jpg" alt="" width="300" height="162" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SharedScreenshot1.jpg"><img class="alignnone size-medium wp-image-9567" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/SharedScreenshot1-300x160.jpg" alt="" width="300" height="160" /></a> PostVer 0

2287245796qqcom • 2021-04-27 17:24:03

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/VF3@Q@SJA9MOGKHGA_S.png"><img class="alignnone size-medium wp-image-9568" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/VF3@Q@SJA9MOGKHGA_S-300x165.png" alt="" width="300" height="165" /></a> PostVer 0

1772435220qqcom • 2021-04-28 15:21:52

CREATE TABLE Student st_id varchar(255),name varchar( 255),age integer ,class_id varchar( 255) primary key);CREATE TABLE Class-—(class_id varchar(255) primary key,class_name varchar(255)）；CREATE TABLE Coursecourse_id varchar( 255) primary key , course_name varchar(255));CREATE TABLE Score(st_id varchar( 255),course_id varchar(255),score integer primary key); PostVer 0

2394773179qqcom • 2021-04-28 22:32:59

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/gogogo.png"><img class="alignnone size-medium wp-image-9569" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/04/gogogo-300x186.png" alt="" width="300" height="186" /></a> PostVer 0

2955836006qqcom • 2021-04-29 09:48:58

create table Class(
class_id varchar(20), class_name varchar(20)
) ;
create table Course(
Course_id varchar(20), Course_name varchar(20)
) ;
create table Score(
Score_id varchar(20), Score_name varchar(20)
) ;
create table Student(
st_id varchar(20), st_name varchar(20), class_id varchar(20)
) ; PostVer 0

1634605411qqcom • 2021-05-02 22:14:33

create table student(
st_id varchar(200),name varchar(200),age varchar(200),class_id varchar( 200));

create table class(
class_id varchar(200),class_name varchar(200));
create table course(
course_id varchar(200),course_name varchar(200));
create table score(st_id varchar(200),course_id varchar(200),score varchar(200)); PostVer 0

542236691qqcom • 2021-05-03 20:09:44

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/屏幕截图-2021-05-03-201539.png"><img class="alignnone size-medium wp-image-9570" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/屏幕截图-2021-05-03-201539-300x274.png" alt="" width="300" height="274" /></a> PostVer 0

wx287_oz26ft_ppvmz0yhrwncdglpjyuum • 2021-05-04 12:44:25

CREATE TABLE Student st_id varchar(200),name varchar( 200),age integer ,class_id varchar( 200) primary key);CREATE TABLE Class-—(class_id varchar(200) primary key,class_name varchar(200)）；CREATE TABLE Coursecourse_id varchar( 200) primary key , course_name varchar(200));CREATE TABLE Score(st_id varchar( 200),course_id varchar(200),score integer primary key PostVer 0

wx287_oz26ftxkg9s80omiw6ifl9sdtr-s • 2021-05-04 13:14:40

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/QQ截图20210504132043.jpg"><img class="alignnone size-medium wp-image-9571" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/QQ截图20210504132043-300x20.jpg" alt="" width="300" height="20" /></a> PostVer 0

wx287_oz26ftx_gczjz0jpscvm1-d3flry • 2021-05-04 23:52:07

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/mmexport1620143851326.png"><img class="alignnone size-medium wp-image-9572" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/mmexport1620143851326-300x214.png" alt="" width="300" height="214" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/mmexport1620143853495.png"><img class="alignnone size-medium wp-image-9573" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/mmexport1620143853495-300x239.png" alt="" width="300" height="239" /></a> PostVer 0

zboa6023gmailcom • 2021-05-05 08:34:16

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/1772191A-FB5F-4F10-9DAD-031922B23BB8.jpeg"><img class="alignnone size-medium wp-image-9574" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/1772191A-FB5F-4F10-9DAD-031922B23BB8-192x300.jpeg" alt="" width="192" height="300" /></a> PostVer 0

1017364560qqcom • 2021-05-05 11:30:15

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/sql.png"><img src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/sql-300x91.png" alt="" width="300" height="91" class="alignnone size-medium wp-image-9575" /></a>

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/SQL2.png"><img src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/SQL2-300x93.png" alt="" width="300" height="93" class="alignnone size-medium wp-image-9576" /></a> PostVer 0

2653815589qqcom • 2021-05-05 20:26:24

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203153_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9578" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203153_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203150_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9579" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203150_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203147_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9580" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203147_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203142_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9581" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203142_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203138_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9582" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203138_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> <a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203132_com.tencent.mobileqq.jpg"><img class="alignnone size-medium wp-image-9583" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/Screenshot_20210505_203132_com.tencent.mobileqq-135x300.jpg" alt="" width="135" height="300" /></a> PostVer 0

wx287_oz26ft4i1taklosxq83xveqlblcc • 2021-05-05 21:10:22

create table student(
st_id varchar2(13) primary key,name varchar2(8),
age varchar2(2),class_id varchar2(14));
create table class(
class_id varchar2(10) primary key,class_name varchar2(10)
);
create table course(
course_id varchar2(4)primary key,course_name varchar2(20)
);
create table score(course_id varchar2(4),st_id varchar2(13),score varchar2(4)); PostVer 0

2848519344qqcom • 2021-05-05 21:28:53

<a href="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/QQ截图20210505213324-5.png"><img class="alignnone size-medium wp-image-9595" src="http://www.yvsou.com/wp-content/uploads/sites/30/2021/05/QQ截图20210505213324-5-240x300.png" alt="" width="240" height="300" /></a> PostVer 0