SQLObject 允许将表之间的关系定义为外键。
SQLObject lets you define relationships among tables as foreign keys.
用于为外键约束禁用索引的新语句被使用alter语句添加来使用。
New syntax for disabling an index for foreign key constraint was added to use with the ALTER statement.
LEI为自动生成和外键表的填充提供了一个功能。
LEI provides a function for the automatic generation and population of the external key table.
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