SQL Tutorial - 3: Logical Operators (Part-1)
This tutorial is the 3nd tutorial of SQL Series. Today I will discuss with Logical Operators in SQL.
A logical condition combines the result of two component conditions to produce a single result based on those conditions or it inverts the result of a single condition. A row is returned only if the overall result of the condition is true.
Three Logical Operators are available in SQL.
• AND
• OR
• NOT
Note: If the three condition are included in a query then First execute NOT,AND,OR.if in the query there is any parenthesis then the Execution system will change First execute parenthesis part then NOT ,AND ,OR .
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