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。

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If you are generating data for columns that have unique constraints, it will likely fail.

如果要为具有唯一约束的列生成数据，则很可能会失败。

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All DOC_IDs are unique to meet the foreign key constraints.

所有DOC_ID都是惟一的，以满足外键约束。

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Adding or dropping unique, distinct, or foreign key constraints.

添加或删除惟一、独特或外键约束。

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Adding or dropping unique, distinct, or foreign key constraints.

添加或删除惟一、独特或外键约束。

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