What is boolean simplification in the context of query optimization?
| Term | Description |
|---|---|
| Boolean Simplification | Boolean simplification is a technique used in query optimization that simplifies boolean expressions to make query execution more efficient. This process involves applying logical rules to reduce complexity, such as transforming expressions like NOT(NOT(x)) to x or simplifying x AND TRUE to x. This optimization helps in minimizing the computational workload during query evaluation, especially in systems like Apache Spark’s Catalyst Optimizer, where boolean simplification can lead to faster execution times by reducing the number of operations needed to evaluate conditions. |