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2-- 创建学生表student CREATE TABLE student ( 学号 CHAR(10) NOT NULL, 姓名 CHAR(10) NOT NULL, 性别 CHAR(2) NOT NULL, 出生日期 DATE, 地区 VARCHAR(20), 民族 CHAR(10), 班级编号 CHAR(6), PRIMARY KEY (学号) ); -- 创建课程表course CREATE TABLE course ( 课程号 CHAR(6) NOT NULL, 课程名 VARCHAR(20) NOT NULL, 学分 INT NOT NULL, 学时 INT NOT NULL, 学期 CHAR(2), 前置课 CHAR(6), PRIMARY KEY (课程号) ); -- 创建成绩表score CREATE TABLE score ( 学号 CHAR(10) NOT NULL, 课程号 CHAR(6) NOT NULL, 成绩 FLOAT(5,2), PRIMARY KEY (学号, 课程号), FOREIGN KE
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311
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7!DOCTYPE html>2目<html>3日(head)(meta charset="utf-8" /><title)</title><style>.divlborder:Ipx solid red;width: 100px;height: 108px;position: relative;</style></head>cbody>Cdiv class--div子c/div>Cscript srca"js/jquery-3.7.1.min.js">c/script>cscript type-"text/javascript">S(".div").aninate((left:'100px'));$(".div").aninate((left:'0px'));</script></body></html>
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2我家子涵怎么没有进来
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0<option value="dazhuang">大专</option> <option value="gaozhong">高中及以下</option> </select> <br/> <br/> <DD><strong>精 通 软件</strong> <select id="software" name="software" multiple="mulyiple" size="3" style="width:300px;height: 50px;"> <option value="OFFICE" id="of" name="of">OFFIC办公软件</option> <option value="Corel Draw" id="cdr" name="cdr">Corel Draw</optio
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5<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>个人信息注册</title> <style type="text/css"> #tp{ width:600px; height: 620px; background:url("12345.jpg") } </style> </head> <body> <form id="myform2" name="myform2" action="#" method="post"> <div id="tp"> <body style="color:white"/> <fieldset> <legend><h1 align="center"&g
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3
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2新人报道,我是古筝飞
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7<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> @keyframes move { 0% { width: 0; height: 0; } 100% { width: 300px; height: 300px; } } div { margin: 200px auto; /* width: 300px; height: 300px; */ background-color: darkviolet; animation-name: move; animation-timing-function: linear; animation-duration: .4s; animati
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4+3
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0快来畅所欲言吧
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1
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0亲爱的各位吧友:欢迎来到22计应1