当创建此扩展时，可以在您的表中以列绑定的形式访问结果。

When you create this extension, you can access the result as a column binding in your table.

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例如，某一列被访问的频率超过预期；某个表远远大于预期；某些查询比预期执行得更频繁。

For example, a column is being accessed more frequently than anticipated; a table is much larger than anticipated; certain queries are being performed more frequently.

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如果一个用户试图访问一个受保护的列，而他们的LBAC凭证又不允许他们访问该列，那么这样的访问将失败，用户收到一条错误消息。

If a user tries to access a protected column that their LBAC credentials do not allow them to access, then the access will fail and they will get an error message.

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