The GROUP_MEMBERSHIP table stores the group ID and the user ID, which represents a user's membership in a group.
GROUP _ membership表存储组id和用户ID,它们表示用户在组中的成员。
At some discount stores, you must pay a membership fee and present your membership card to enter.
在一些折价商店,你必须付出的会员费,并出示您的会员卡进入。
By using a provider model, you can easily adapt the membership system to use different data stores or data stores with different schemas.
通过使用提供程序模型,可轻松改写成员资格系统以使用不同的数据存储区或带有不同架构的数据存储区。
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