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§ Firstly, because there’s no Undo available to restore your changes! Once
it’s gone, it’s gone.
§ And secondly, because if you forget the WHERE clause, it proceeds to
delete all of the records in the table.
There – we’re done!

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To gain an in-depth understanding of accessing data and complex queries,
please refer to the SQL reference and ADO reference in this booklet. These
are pretty exhaustive guides that you can refer to anytime for looking up a
particular item easily.