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MySQL in a Nutshell by Russell J.T. Dyer

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Appendix B. Operators

Operators are used in mathematical or logical operations. An operator is typically placed between two values (i.e., numbers, strings, columns, or expressions) for comparing or evaluating them. There are four types of operators: arithmetic, relational, logical, and bitwise. This appendix provides a listing of operators grouped by these four types.

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