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Question's author: Paulina Pabis
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SELECT COL1 , COL2 FROM TABELEA WHERE COL1 = 'A' AND COL2 = 'B';
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`[||, &&]` precedence jest wyższe od `=`, a `[or, and]` jest niższe od `=`, tzn: <pre> b = nil c ...
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SQL Optimization
What would you do to speed up the following SQL query?
SELECT * FROM WHERE col1 TABLEA = 'A' AND COL2 = 'B';
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