You can also drop primary keys, indexes, and unique constraints from the update script.

您也可以从更新指令码置放主索引键、索引和唯一的条件约束。

youdao

Some information, like column indexes and foreign keys, is omitted.

一些信息，比如列索引和外键，省略。

youdao

Some information, like column indexes and foreign keys, is omitted.

一些信息，比如列索引和外键，省略。

youdao