databases.softwareshinobi.com/landing/docs/SQL-101/016-Logical-operator-keywords.md

SQL Logical Operators

SQL Logical Operators evaluate boolean conditions to filter data, primarily used in WHERE and HAVING clauses. They are fundamental for constructing precise data retrieval queries and controlling program flow based on dataset characteristics. Understanding their behavior is essential for writing effective and performant database interactions.

Logical Operator Keywords

Logical Operator	Explanation
ALL	Returns TRUE if all comparisons in a subquery are TRUE.
ANY	Returns TRUE if any comparison in a subquery is TRUE.
AND	Returns TRUE if both boolean expressions are TRUE.
EXISTS	Evaluates to TRUE if the subquery returns one or more rows.
IN	Checks if a value matches any value in a list or subquery.
BETWEEN	Tests if a value is within a given range (inclusive).
NOT	Negates a boolean expression.
OR	Returns TRUE if either boolean expression is TRUE.