分类 问题名称 热度 更新时间
AI问答mysql> SELECT S_no, S_bir, email FROM student WHERE S_no LIKE '赵%'; Empty set (0.00 sec)这是怎么回事 0 2023-10-19
AI问答mysql> SELECT S_no, S_bir, email FROM student WHERE S_no LIKE '赵%'; Empty set (0.00 sec) 0 2023-10-19
AI问答(5)显示student表中数据,数据符合所有“赵”姓的学生的姓名、生日和电子邮件的条件; 40 2023-10-19
AI问答(4)显示score表中数据,数据符合选修课程号为c08123的学生的学号和结业成绩,并且要求平时成绩在80-90分的条件; 0 2023-10-19
AI问答(3)显示score表中数据,数据符合学号分别为18122221320、18122221324和18122221325学生的学号、课程号、平时成绩和结业成绩的条件; 120 2023-10-19
AI问答显示score表中数据,数据符合结业成绩高于90分的学生的学号和课程号、结业成绩,并按照学号排序的条件; 20 2023-10-19
AI问答(1)显示student表中数据,数据符合出生日期在2000年以前的学生的学号、姓名、电话和出生日期的条件; 0 2023-10-19
AI问答mysql> SELECT S_no,S_name,phone,S_bir FROM student WHERE S_bir<2000; Empty set, 1 warning (0.00 sec) 这是怎么回事 0 2023-10-19
AI问答<?php highlight_file(__FILE__); $a=@$_GET['a']; $b=@floatval($_GET['b']); $c=@floatval($_GET['c']); if (!is_numeric($a) && $a ==222 ){ if ($b != $c && sha1($b)===sha1($c)&&md5($b)===md5($c)){ $d=@$_GET['flag']; $d=str_replace('system','',$d); eval($d); }else{ echo "is Same or not Same? It's a problem!"; } }else{ echo "is Number or not Number? It's a problem!"; } is Number or not Number? It's a problem! 0 2023-10-19
AI问答if (!is_numeric($a) && $a ==222 ){ if ($b != $c && sha1($b)===sha1($c)&&md5($b)===md5($c)){ $d=@$_GET['flag']; $d=str_replace('system','',$d); eval($d); }else{ echo "is Same or not Same? It's a problem!"; } }else{ echo "is Number or not Number? It's a problem!"; } 0 2023-10-19
AI问答ubuntu怎么删除eth0网卡, 或者切换使用eth1网卡 60 2023-10-19
AI问答关闭ubuntu 日志系统 20 2023-10-19
AI问答php是什么? 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> VALUES('18122221320','c08123','85','95'), -> ('18122221320','a01564','88','93'), -> ('18122221320','c06108,'92','90'), '> ('18122221321','c08123','85','94'), '> ('18122221321','c06108','70','82'), '> ('18122221322','c08123','60','64'), '> ('18122221322','a01327','53','50'), '> ('18122221322','a01564','64','50'), '> ('18122221323','a01564','88','84'), '> ('18122221323','c05103','85','86'), '> ('18122221324','c08123','77','81'), '> ('18122221324','c05103','95','86'), '> ('18122221325','c05103','88','90');为啥->符号变成'>了?怎么是正确的 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> VALUES('18122221320','c08123','85','95'), -> ('18122221320','a01564','88','93'), -> ('18122221320','c06108,'92','90'), '> ('18122221321','c08123','85','94'), '> ('18122221321','c06108','70','82'), '> ('18122221322','c08123','60','64'), '> ('18122221322','a01327','53','50'), '> ('18122221322','a01564','64','50'), '> ('18122221323','a01564','88','84'), '> ('18122221323','c05103','85','86'), '> ('18122221324','c08123','77','81'), '> ('18122221324','c05103','95','86'), '> ('18122221325','c05103','88','90');为啥-->符号变成'>了?怎么是正确的 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> VALUES('18122221320','c08123','85','95'), -> ('18122221320','a01564','88','93'), -> ('18122221320','c06108,'92','90'), '> ('18122221321','c08123','85','94'), '> ('18122221321','c06108','70','82'), '> ('18122221322','c08123','60','64'), '> ('18122221322','a01327','53','50'), '> ('18122221322','a01564','64','50'), '> ('18122221323','a01564','88','84'), '> ('18122221323','c05103','85','86'), '> ('18122221324','c08123','77','81'), '> ('18122221324','c05103','95','86'), '> ('18122221325','c05103','88','90');为啥-->符号变成'>了? 0 2023-10-18
AI问答INSERT INTO score(S_no,C_no,daily,final) VALUES('"18122221320"','"c08123"',85,95), ('"18122221320"','"a01564"',88,93), ('"18122221320"','"C06108"',92,90), '"18122221321"','"c08123"',85,94), '"18122221321"','"C06108"',70,82), '"18122221322"','"c08123"',60,64), '"18122221322"','"a01327"',53,50), '"18122221322"','"a01564"',64,50), '"18122221323"','"a01564"',88,86), '"18122221323"','"C05103"',85,86), '"18122221324"','"c08123"',77,81), '"18122221324"','"C05103"',95,86), '"18122221325"','"C05103"',88,90); 这个有没有错 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> -> VALUES('"18122221320"','"c08123"',85,95), -> -> ('"18122221320"','"a01564"',88,93), -> -> ('"18122221320"','"C06108"',92,90), -> -> '"18122221321"','"c08123"',85,94), -> -> '"18122221321"','"C06108"',70,82), -> -> '"18122221322"','"c08123"',60,64), -> -> '"18122221322"','"a01327"',53,50), -> -> '"18122221322"','"a01564"',64,50), -> -> '"18122221323"','"a01564"',88,86), -> -> '"18122221323"','"C05103"',85,86), -> -> '"18122221324"','"c08123"',77,81), -> -> '"18122221324"','"C05103"',95,86), -> -> '"18122221325"','"C05103"',88,90); ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''"18122221321"','"c08123"',85,94), '"18122221321"','"C06108"',70,82), ' at line 9这是怎么回事 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> VALUES('18122221320','c08123','85','95'), -> ('18122221320','a01564','88','93'), -> ('18122221320','C06108,'92','90'), '> ('18122221321','c08123','85','94'), '> ('18122221321','C06108','70','82'), '> ('18122221322','c08123','60','64'), '> ('18122221322','a01327','53','50'), '> ('18122221322','a01564','64','50'), '> ('18122221323','a01564','88','84'), '> ('18122221323','C05103','85','86'), '> ('18122221324','c08123','77','81'), '> ('18122221324','C05103','95','86'), '> ('18122221325','C05103','88','90'); 为啥-->符号变成'>了? 0 2023-10-18
AI问答为啥-->符号变成'>了? 0 2023-10-18
AI问答mysql> INSERT INTO score(S_no,C_no,daily,final) -> VALUES('18122221320','c08123','85','95'), -> ('18122221320','a01564','88','93'), -> ('18122221320','C06108,'92','90'), '> ('18122221321','c08123','85','94'), '> ('18122221321','C06108','70','82'), '> ('18122221322','c08123','60','64'), '> ('18122221322','a01327','53','50'), '> ('18122221322','a01564','64','50'), '> ('18122221323','a01564','88','84'), '> ('18122221323','C05103','85','86'), '> ('18122221324','c08123','77','81'), '> ('18122221324','C05103','95','86'), '> ('18122221325','C05103','88','90');这是怎么回事 20 2023-10-18
AI问答INSERT INTO student(S_no,S_name,S_sex,S_bir,phone,email) VALUES('18122221320','张凯','男','2001-5-6','13245678547''36451@qq.com'), ('18122221321','赵峰','男','1999-5-4','13945678548''ABTHE@SOHU.COM'), ('18122221322','王伟','男','2003-8-9','13245678549''45SSEEE@163.COM'), ('18122221323','李成','男','2001-9-12','13245678550''78962@qq.com'), ('18122221324','赵晓月','女','2002-12-4', '13545678551','3232459@qq.com'), ('18122221325','王俊鑫','男','2003-4-7','13845678552','8989456@qq.com'), ('18137221506','王枫','男','2001-10-5','13645678553','WSWS4875@SOHU.COM'), ('18137221507','李浩','男','2000-11-23','13888128558','46SSEEE@163.COM'), ('18137221508','孙琳','女','2002-5-1','13522078555','124578@qq.com'), ('19112100070','陈晨','男','2003-4-8','13243271256','457822SW@SOHU.COM'), ('19112100071','吴司','男','1999-12-4','13244673357','JEUD@163.COM'), ('19112100072','李珊','女','1998-12-25','13955089958','78451@qq.com'), ('19112100073','钱峰','男','2000-4-1','13945322359','BBBTIH@SOHU.COM'), ('19112100074','张雯','女','2000-12-3','13545612360','SSSMOU@163.COM');这个有错误没有 0 2023-10-18
AI问答mysql> INSERT INTO student(S_no,S_name,S_sex,S_bir,phone,email) -> VALUES('18122221320','张凯','男','2001-5-6','13245678547''36451@qq.com'), -> ('18122221321','赵峰','男','1999-5-4','13945678548''ABTHE@SOHU.COM'), -> ('18122221322','王伟','男','2003-8-9','13245678549''45SSEEE@163.COM'), -> ('18122221323','李成','男','2001-9-12','13245678550''78962@qq.com'), -> ('18122221324','赵晓月','女','2002-12-4','13545678551','3232459@qq.com'), -> ('18122221325','王俊鑫','男','2003-4-7','13845678552','8989456@qq.com'), -> ('18137221506','王枫','男','2001-10-5','13645678553','WSWS4875@SOHU.COM'), -> ('18137221507','李浩','男','2000-11-23','13888128558','46SSEEE@163.COM'), -> ('18137221508','孙琳','女','2002-5-1','13522078555','124578@qq.com'), -> ('19112100070','陈晨','男','2003-4-8','13243271256','457822SW@SOHU.COM'), -> ('19112100071','吴司','男','1999-12-4','13244673357','JEUD@163.COM'), -> ('19112100072','李珊','女','1998-12-25','13955089958','78451@qq.com'), -> ('19112100073','钱峰','男','2000-4-1','13945322359','BBBTIH@SOHU.COM'), -> ('19112100074','张雯','女','2000-12-3','13545612360','SSSMOU@163.COM'); ERROR 1136 (21S01): Column count doesn't match value count at row 1 这是怎么回事 0 2023-10-18
AI问答> INSERT INTO student(S_no,S_name,S_sex,S_bir,phone,email) -> VALUES('18122221320','张凯','男','2001/5/6','13245678547''36451@qq.com'), -> ('18122221321','赵峰','男','1999/5/4','13945678548''ABTHE@SOHU.COM'), -> ('18122221322','王伟','男','2003/8/9','13245678549''45SSEEE@163.COM'), -> ('18122221323','李成','男','2001/9/12','13245678550''78962@qq.com'), -> ('18122221324','赵晓月','女','2002/12/4','13545678551','3232459@qq.com'), -> ('18122221325','王俊鑫','男','2003/4/7','13845678552','8989456@qq.com'), -> ('18137221506','王枫','男','2001/10/5','13645678553','WSWS4875@SOHU.COM'), -> ('18137221507','李浩','男','2000/11/23','13888128558','46SSEEE@163.COM'), -> ('18137221508','孙琳','女','2002/5/1','13522078555','124578@qq.com'), -> ('19112100070','陈晨','男','2003/4/8','13243271256','457822SW@SOHU.COM'), -> ('19112100071','吴司','男','1999/12/4','13244673357','JEUD@163.COM'), -> ('19112100072','李珊','女','1998/12/25','13955089958','78451@qq.com'), -> ('19112100073','钱峰','男','2000/4/1','13945322359','BBBTIH@SOHU.COM'), -> ('19112100074','张雯','女','2000/12/3','13545612360','SSSMOU@163.COM'); ERROR 1136 (21S01): Column count doesn't match value count at row 1 这是怎么回事 0 2023-10-18
AI问答mysql> INSERT INTO student(S_no,S_name,S_sex,S_bir,phone,email) -> VALUES -> ('18122221320','张凯','男','2001/5/6','13245678547','36451@qq.com'), -> ('18122221321','赵峰','男','1999/5/4','13945678548','ABTHE@SOHU.COM'), -> ('18122221322','王伟','男','2003/8/9','13245678549','45SSEEE@163.COM'), -> ('18122221323','李成','男','2001/9/12','13245678550','78962@qq.com'), -> ('18122221324','赵晓月','女','2002/12/4','13545678551','3232459@qq.com'), -> ('18122221325','王俊鑫','男','2003/4/7','13845678552','8989456@qq.com'), -> ('18137221506','王枫','男','2001/10/5','13645678553','WSWS4875@SOHU.COM'), -> ('18137221507','李浩','男','2000/11/23','13888128558','46SSEEE@163.COM'), -> ('18137221508','孙琳','女','2002/5/1','13522078555','124578@qq.com'), -> ('19112100070','陈晨','男','2003/4/8','13243271256','457822SW@SOHU.COM'), -> ('19112100071','吴司','男','1999/12/4','13244673357','JEUD@163.COM'), -> ('19112100072','李珊','女','1998/12/25','13955089958','78451@qq.com'), -> ('19112100073','钱峰','男','2000/4/1','13945322359','BBBTIH@SOHU.COM'), -> ('19112100074','张雯','女','2000/12/3','13545612360','SSSMOU@163.COM'); ERROR 1054 (42S22): Unknown column 'S_bir' in 'field list' 0 2023-10-18
AI问答具体说说 0 2023-10-18
AI问答php中文网网站排名 0 2023-10-18
AI问答php是什么? 0 2023-10-18
AI问答php 登录 0 2023-10-17
AI问答学不会php怎么办? 0 2023-10-17
AI问答未来有哪些赚钱的领域 0 2023-10-17
AI问答在哪学习php开发免费 20 2023-10-17
AI问答php是什么? 0 2023-10-17
AI问答1.thinkphp核心运作流程详细讲解 2.thinkphp自己动手仿写C方法 3.thinkphp display方法讲解 4.thinkphp自己动手仿写一个display方法 5.thinkphp success函数的分析 6.thinkphp 自己动手仿写一个success方法 7.thinkphp assign方法的原理 8.thinkphp 自己动手仿写一个assign方法 9.thinkphp S方法缓存使用和原理 10.thinkphp F方法缓存原理 11.thinkphp 自己动手仿写一个S方法 根据这些章节名称,总结一个thinkphp课程简介 0 2023-10-17
AI问答“”是HTML的注释标记么 0 2023-10-17
AI问答“”是HTML注释标记,“//”是JavaScript注释标记 0 2023-10-17
AI问答面向对象编程(Object-Oriented Programming,简称OOP)和基于对象编程(Object-Based Programming,简称OBP)主要针对哪些不同的编程语言 0 2023-10-17
AI问答面向对象和基于对象有什么区别 40 2023-10-17
AI问答JS特性不包括( d ) A.解释性 B.用于客户端 C.基于对象 D.面向对象 0 2023-10-17
AI问答php是什么? 0 2023-10-16
AI问答vscode配置c语言编译环境 40 2023-10-15
AI问答学不会php怎么办? 0 2023-10-14
AI问答学不会php怎么办? 20 2023-10-14
AI问答为什么会有php? 0 2023-10-13
AI问答学不会php怎么办? 40 2023-10-13
AI问答php是什么? 0 2023-10-13
AI问答php是什么? 0 2023-10-13
AI问答不好使 0 2023-10-13
AI问答uniapp怎么获取元素的高度 20 2023-10-13
AI问答学不会php怎么办? 0 2023-10-13
关于我们 免责申明 意见反馈 讲师合作 广告合作 最新更新 English
php中文网:公益在线php培训,帮助PHP学习者快速成长!
关注服务号 技术交流群
PHP中文网订阅号
每天精选资源文章推送
PHP中文网APP
随时随地碎片化学习
PHP中文网抖音号
发现有趣的

Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号