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Comparison Operators
Usually, you use the comparison operators in the WHERE clause of a data manipulation statement to form the predicates, that compare one expression to another and always yields the TRUE, FALSE, or NULL. You can use all the comparison operators listed below to form the predicates. Furthermore, you can merge predicates using the logical operators AND, OR, & NOT.
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Hi,am developing a library system and relating all the table is somehow complex,could you kindly assist me
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