MySQL?? MySQLi? ??
??
MySQLi ??? PHP? MySQL ??? ??? ??? ?????. ?? MySQL ??????? ?? ???? ? ?? ?? ???? ?? ??? ???? ??? ??, ?? ? ??? ???? ?? MySQL ??? ?? ?? ?? ??? ?????.
??? MySQLi? ??
MySQL?? MySQLi? ??? ???? ?? ??? ?????. ???? ???? ??? ?? ?????. ??? ???? ? ? ?? ?????:
- mysql_ ??? ?? ?? ??? mysqli_ ??? ?????.
- ??? ?????? ???? ?? mysql_connect? ???? ???. () mysqli_connect()? ?????.
- ?? ?? ?????? ???? ?? ? ?????? ???? ???. mysqli ??? ??? ?? connect(), query() ? fetch_array()? ?? ???? ???? ??????? ?? ?????.
?
??? ?? ??? ?? ????. MySQLi? ?? ??? MySQL ????:
// MySQL
$link = mysql_connect($DB['host'], $DB['user'], $DB['pass']) or die("<center>An Internal Error has Occured. Please report following error to the webmaster.<br><br>".mysql_error()."'</center>");
mysql_select_db($DB['dbName']);
$sql='SELECT auto_id FROM friend_reg_user WHERE auto_id=' .$info['auto_id'];
$result_member=executequery($sql);
if($line_member=mysql_fetch_array($result_member)){
extract($line_member);
} else {
header("location: index.php");
exit;
}
// MySQLi
$link = mysqli_connect($DB['host'], $DB['user'], $DB['pass'], $DB['dbName']) or die("<center>An Internal Error has Occured. Please report following error to the webmaster.<br><br>".mysql_error()."'</center>");
$sql='SELECT auto_id FROM friend_reg_user WHERE auto_id=' .$info['auto_id'];
$result_member=mysqli_query($link, $sql);
if($line_member=mysqli_fetch_array($result_member)){
extract($line_member);
} else {
header("location: index.php");
exit;
}
?? ?? ??
?? MySQL ??? ? ?? ???? ??? ?? PHP ???? ??? ?????. ??? ? ?? MySQLi? ???? ?? ????.
MySQLi? ?? ??? ??? ?? ???? ?????.
- [MySQLi ?? ?? ??](https: //www.php.net/manual/en/mysqli.func.summary.php)
- [MySQLi ?? ?????](https://www.php.net/manual/en/mysqli-object.php)
- [PHP MySQL ????](https://www.w3schools.com/php/php_mysql_intro.asp )
? ??? PHP MySQL ??? MySQLi? ????? ????????? ??? ?? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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Windows/Linux? MySQL 8.0? ???? ??? ??????
Jun 11, 2025 pm 03:25 PM
MySQL 8.0? ???? ??? ??? ??? ???? ?????? ???? ????. Windows?? MSI ?? ???? ???? ?? ????. ???? ?? ??? ????, ??? ??, ?? ?? ??, ?? ???? ??, ??? ?? ??? ? ?? ?????? ????? Zip ??? ???? ???? ??? ?????. Linux (? : Ubuntu)? APT? ?? ???? ??? ??? ?????? ?? ??, ?? ???? ??, ??? ?? ?? ? ?? ?? ??? ???? ????. ?? ???? ????, ?? ????? ????, ?? ???? ???, ???? ????, ?? ??? ???? ?? ?? ? ?? ?? ??? ????? ?? ? ???? ??? ???????.
MySQL ??? ?? SSL/TLS ???? ????? ??? ??????
Jun 11, 2025 pm 03:29 PM
MySQL? SSL/TLS ??? ??? ????? ??? ??? ????? ?? ? ? ????. ?? ??? ??? ????. 1. MySQL ??? SSL? ????? ???? ShowVariables like'Have_ssl '? ?? ?? ?? ??? ??????. 2. PEM ?? ??? ?? (ca.pem, server-cert.pem, server-key.pem)? ??????. 3. MySQL ?? ??? ???? [MySQLD] ??? SSL-CA, SSL-CERT ? SSL-KEY ??? ???? ???? ?? ??????. 4. ?????? SSL? ????? ???? CreateUser? ??????.
MySQL? ?? ??? ??? ????? ??????
Jun 13, 2025 am 12:34 AM
MySQL? ?? ??? ??? ????? '??'??? ????? ?? ??? ?? ????. ?? Linux ???? ?? ??? Auth_Socket ????? ?? ?? ? ? ??? ??? ??? ? ? ????. Windows?? XAMPP ?? WAMP? ?? ??? ??? ? ?? ???? ????? ????? ??? Root, MySQL ?? ?? ???? ??? ?????. ????? ?? ?? ??, ????? -skip-grant-tables ???? ???? MySQL ???? ???? MySQL.user ???? ?????? ? ????? ???? ???? ?? ???? ????? ??? ? ? ????. MySQL8.0 ???? ?? ?? ????? ?????.
MySQL ???? ?? (binlog)? ???? ??? ??????
Jun 11, 2025 pm 03:41 PM
MySQL? ?? ?? (Binlog)? ?????? ?? ??? ???? ?? ???? ??? ??, ??? ???? ?? ? ??? ?? ?????? ?????. 1. Binlog? ??, ????, ?? ?? ?? ???? ???? ?? ?? ???? ????? ?? ?? ????? ???? ?? ??? ?? ?????. 2. ?? ??? ??? ????. ?? ??? ?? ??? ??, ??? ???? ?????? ??? ???? ?? ?? ? ?? ?? ??? ???? ?? ?? ???? ???? ? ?????. 3. binlog ???? ?? ???? ?? ?, ?? -ID, binlog_format ? expire_logs_day? ???????.
MySQL ?? ??? ????? ????? ????? ??? ??????
Jun 13, 2025 am 12:33 AM
mysqlroot ??? ????? ????? ????? ? ?? ??? ????. 1. Alteruser ??? ???? ?? ??? ???? ??? ? ? ?? ?? ??????. 2. ????? ?? ??? ???? ???? ???? ?? -skip-grant-tables ???? ???????. 3. mysqladmin ??? ???? ???? ?? ??? ? ????. ? ??? ?? ????? ???? ?? ???? ???? ??? ??????. ??? ??? ??? ??????? ?? ?????? ???????.
GTID (Global Transaction Identifier) ??? ???? ??? ??????
Jun 19, 2025 am 01:03 AM
GTID (Global Transaction Identifier)? ? ????? ?? ? ??? ???? MySQL ???????? ?? ? ?? ??? ???? ?????. 1. ?? ??? ????? ?? ?? ? ??? ???? ???? ???? ??? ????? ?? ? GTID? ???? ????? ??? ? ????. 2. ?? ?? ???? ???? ? ????? ? ???? ? ?? ??????? ??? ???? ?????. 3. ?? ?? ???? ??????. GTID?? ?? UUID ? ?? ??? ???? ??? ???? ??? ???? ? ???? ??? ???? ????. ? ? ?? ?? ??? MySQL ????? ???? ???? ???? ??? ???? ??? ???? ?? ??????.
MySQL ??? ?? ??? ???? ????? ??????
Jun 19, 2025 am 01:06 AM
MySQL ?? ????? ?? ???? ?? 4 ??? ?????. 1. ?? ?? : ????? ? ????? ????, ?? ?? ? ??? ??? ????? ???? ?? ???? ??? ???? ?? ??? ??? ?? ? ?? ????? ???? MHA, ???????? ?? ??? ??? ? ??? ??? ??? ? ????. 2. ? ?? ?????? ?????? : ??? ??? ?? ?? (Seconds_Behind_master), Binlog ??? ???, ???? ?? ??? ??? ?? ?? ??? ???? ?????? ???? ??? ?? ??? ?? ?? ?? ??? ??????. 3. Switch Topology : ?? ???? ?????? ??? ??? ?????? ???, ?? ???? ????? GTID? ????? VIP, DNS ?? ??? ??? ????????.
???? ?? ? ???? ???? ?? (??? DDL)?
Jun 14, 2025 am 12:36 AM
ToalteralArgeProductionWithoutLongLocks, useOnlinedDlTeChniques.1) ?? evidentifyOURalterOperationISFast (? : ??/?? ?? ??, modifyingnull/notnull) OrsLow (? : ?? ??, ?? ??, ???, ???) .2) .2) .2)
