as shown in the picture, I don t understand how the two steps are equal, and how does the formula indicated by the first arrow be calculated to the formula indicated by the second arrow?
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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-64f5-1b366f0-e562.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") MySQL Errno : 1021 Message : Disk full (/tmp/#sql-temptable-64f5-1b366f0-e562.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") Need Help?