Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

exactly 10 rows
less than 10 rows
more than 10 rows
None of these

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Introduction to SQL
If a query involves NOT, AND, OR with no parenthesis

The order of occurrence determines the order of evaluation.
NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last.
NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last.
AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last.

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