for example, the comment table is divided into 100tables and divided according to the userid hash algorithm, so the background management should display the comment list, but cannot jointly query 100tables. How do you do this? ...
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-64f5-1b35c0b-2bfd1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") MySQL Errno : 1021 Message : Disk full (/tmp/#sql-temptable-64f5-1b35c0b-2bfd1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") Need Help?
