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我在 MySQL (InnoDB) 上使用主从复制并想要更改主键和索引。
可能吗?只需删除并添加索引和主键??
谢谢
使用下面的简单查询,我们可以在主从复制中删除或添加索引或主键。
DROP INDEX index_name ON table_name; CREATE INDEX index_name ON 表(field_name)
ALTER TABLE table_name 主键; ALTER TABLE table_name MODIFY field_name INT NOT NULL PRIMARY KEY AUTO_INCREMENT;