Sub-table - Related information

• 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
• User amount flow table, how to sub-table?

  every amount change of the user is recorded in this table. website users about 100W, now the table is too big, thought of sub-table, how to divide it? Table structure! user id is a 32-bit guid ...

  Sub-table sub-table-query oracle

  Mar.02,2021
• How to query the horizontal table?

  to query the data after horizontal split, suppose the data of a business is split horizontally, and the monthly records are stored in a table. The data of each table is about 1000w. There are already more than 20 tables, such as table_201606,.,table_201...

  Java php sub-table sub-table-query mysql

  Mar.02,2021
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-64f5-1e3d806-5978b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3d806-5978b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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