> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables.md).

# Optimizations for Derived Tables

- [Condition Pushdown into Derived Table Optimization](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables/condition-pushdown-into-derived-table-optimization.md)
- [Derived Table Merge Optimization](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables/derived-table-merge-optimization.md)
- [Derived Table with Key Optimization](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables/derived-table-with-key-optimization.md)
- [Lateral Derived Optimization](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables/lateral-derived-optimization.md): Documents Lateral Derived Optimization, also referred to as Split Grouping Optimization or Split Materialized Optimization.
- [Split Materialized Optimization](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizations-for-derived-tables/split-materialized-optimization.md)


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