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Slide notes: If the question is asked: "What was cheque number AC2100 used for?", then we have an easy query function to reveal the answer.

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Slide notes: Just type the Cheque Number to query.

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Slide notes: And we can drill a listed Transaction to reveal the full detail.

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Slide notes: Of course, it is possible that a Cheque number may have been processed more than once, especially from different Bank Accounts.

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Slide notes: However, in the current example, we must consider the double occurrence a mistake, since it is from the same Bank Account, and we should not have the same Cheque Number more than once on the same Bank Account.

So this is how we can query any Cheque number without having to know anything beforehand, except the number of the Cheque.