optimistic-lock - Related information

  • Spirng transaction (optimistic lock) problem?

    executing the following sql, in a while loop will result in the non-execution indicated in the figure. Sql uses the version field to implement optimistic locks. @Transactional(rollbackFor = Exception.class) ...

  • 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-64f5-1b316c6-2b5de.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1b316c6-2b5de.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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