Non-relational-database - Related information

  • The essential difference between relational and non-relational databases?

    when should I use a relational database and when should I use a non-relational database? ...

  • 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-64f5-1b2c61f-2bb3b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b2c61f-2bb3b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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