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Chapter 11: SQL Operators
Overview
Operators in SQL are defined as symbols and
keywords that are used to specify an action to be performed on one or more
expression called operands or
arguments.There are two general types of
operators
Unary Operators. Applied to only one
operand at the time; the typical format is
<operator><operand>.
Binary Operators. Applied to two
operands at the time; they usually appear in format
<operand><operator><operand>.
