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This topic created in 3806 days ago, the information mentioned may be changed or developed.
 | 1 triffic Nov 24, 2015 这个字段是索引的一部分吗 |
 | 2 SoloCompany Nov 25, 2015 https://mariadb.com/kb/en/mariadb/alter-table/ When does ALTER TABLE copy all data? Here is a list of the actions that can be performed without having to copy the table: ... 显然，增加新的列不在这个列表内 |
 | 3 SmiteChow Nov 25, 2015 无论慢不慢，请先备份 |
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