# Page Not Found

The URL `sql/query-tuning/query-plans/xpand/planner-operators` does not exist.

You might be looking for one of these pages:
- [Assignment Operator (:=)](https://mariadb.com/docs/server/reference/sql-structure/operators/assignment-operators/assignment-operator.md)
- [CASE OPERATOR](https://mariadb.com/docs/server/reference/sql-functions/control-flow-functions/case-operator.md)
- [Set Operations](https://mariadb.com/docs/server/reference/sql-statements/data-manipulation/selecting-data/set-operations.md)
- [Assignment Operators](https://mariadb.com/docs/server/reference/sql-structure/operators/assignment-operators.md)
- [Modulo Operator (%)](https://mariadb.com/docs/server/reference/sql-structure/operators/arithmetic-operators/modulo-operator.md)

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