Pdo - Related information

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• PDO:There is no active transaction

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• Pdo executes the fetch query statement, and there is a 500th error. How should I write it?

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• [php] how can I use pdo to get the last inserted data?

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• How to change the mysql in the following code to mysqli or PDO

  Deprecated: mysql_connect (): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in www wwwroot xcx.xxxxxx.com phpwxpay connect.php on line 11 ID order number, serial number, payment time the background o...

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b356d8-2bf76.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b356d8-2bf76.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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