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RemoveSubQuery](https://zhuanlan.zhihu.com/p/62338250)\n- [Calcite 子查询处理 - Decorrelate](https://zhuanlan.zhihu.com/p/66227661)\n\n### Window\n\nBlogs:\n- [SQL 窗口函数的优化和执行](https://zhuanlan.zhihu.com/p/80051518)\n\nPapers:\n- [Efficient Processing of Window Functions in Analytical SQL Queries](http://www.vldb.org/pvldb/vol8/p1058-leis.pdf)\n- [Optimization of Analytic Window Functions](http://vldb.org/pvldb/vol5/p1244_yucao_vldb2012.pdf)\n\n### Common Table Expressions\n\nPapers:\n- [Optimization of Common Table Expressions in MPP Database Systems](http://www.vldb.org/pvldb/vol8/p1704-elhelw.pdf)\n\n\n## Query Execution\n\nBlogs:\n- [SQL 查询的分布式执行与调度](https://zhuanlan.zhihu.com/p/100949808)\n\n### Vectorization vs Compilization\n\nBlogs:\n- [表达式编译](https://zhuanlan.zhihu.com/p/51221350)\n- [查询编译](https://zhuanlan.zhihu.com/p/58249033)\n\nPapers:\n- [Vectorization vs Compilation in Query Execution](https://15721.courses.cs.cmu.edu/spring2020/papers/16-vectorization2/p5-sompolski.pdf)\n- [MonetDB/X100: Hyper-Pipelining Query Execution](https://www.cidrdb.org/cidr2005/papers/P19.pdf)\n- [Efficiently Compiling Efficient Query Plans for Modern Hardware](https://www.vldb.org/pvldb/vol4/p539-neumann.pdf)\n- [Everything You Always Wanted to Know About Compiled and Vectorized Queries But Were Afraid to Ask](http://www.vldb.org/pvldb/vol11/p2209-kersten.pdf)\n\n### Join\n\nBlogs:\n- [Join 查询优化](https://zhuanlan.zhihu.com/p/580164199)\n- [Join Reorder 源码解析](https://zhuanlan.zhihu.com/p/579978445)\n\nPapers:\n- [Performance and Scalability of Broadcast in Spark](https://www.mosharaf.com/wp-content/uploads/mosharaf-spark-bc-report-spring10.pdf)\n- [Adaptive Optimization of Very Large Join Queries](https://db.in.tum.de/~radke/papers/hugejoins.pdf)\n- [SAHA: A String Adaptive Hash Table for Analytical Databases](https://www.mdpi.com/2076-3417/10/6/1915/htm)\n\nCourses:\n- [Join查询优化\u0026HashJoin算子优化](https://www.bilibili.com/video/BV1bi4y1r7Td/)\n- [How does Hash Join work in PostgreSQL and its derivates](https://www.postgresql.eu/events/pgconfeu2019/sessions/session/2669/slides/226/2019_HashJoin_In_PostgreSQL_Milan.pdf)\n\n","projects_url":"https://awesome.ecosyste.ms/api/v1/lists/jinhai-cloud%2Fawesome-database-learning/projects"}