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
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AI问答php中文网网站排名
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AI问答php是什么?
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0
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AI问答“”是HTML的注释标记么
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AI问答“”是HTML注释标记,“//”是JavaScript注释标记
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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
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