Sub-library - Related information

• The balance of the user issues the order, how to ensure the consistency after dividing the database

  one database of user balance, one database of order table, one database of fund details users use balance to place orders, how to ensure that no more orders will be placed and the data are consistent in the case of large concurrency ...

  Distributed micro-service sub-library conformance concurrent

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• Questions about mysql sub-library and sub-table

  recently, I have been studying the scheme of sub-database and sub-database. I don t have much experience. If you have any questions, I will ask you for advice. for example, an order table with fields: placing an order for id, goods, id, store, id, iss...

  Sub-library sub-table mysql

  Mar.07,2021
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-64f5-1b34f21-2b6d0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b34f21-2b6d0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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