... them.¹

We may make this scheme more clever by employing smart pointers in the future.

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... Oracle.²

Though that object need not be actually stored in one uniquely referenced row of a single table.

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... key³

It actually returns a lazy-evaluation object called a TPhDbKeySelector, but usually you do not need to worry about this distinction.

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... database.⁴

This may be made more explicit in the future.

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