query-optimization topic
pg_pathman
Partitioning tool for PostgreSQL
performance
⏱ PHP performance tool analyser your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interfaces.
query_track
Find time-consuming database queries for ActiveRecord-based Rails Apps
zio-query
Add efficient pipelining, batching, and caching to any data source
spark-druid-olap
Sparkline BI Accelerator provides fast ad-hoc query capability over Logical Cubes. This has been folded into our SNAP Platform(http://bit.ly/2oBJSpP) an Integrated BI platform on Apache Spark.
awesome-database-testing
数据库测试资料 This repo is a collection of resources on testing database systems
query-graphs
A visualizer for queries - Hyper, Postgres, Tableau
naru
Neural Relation Understanding: neural cardinality estimators for tabular data
spring-data-examples
Spring Data JPA, Spring Data JDBC, and Spring Data R2DBC examples and a comprehensive guide to JPA fetching and locking strategies.
balsa
Balsa is a learned SQL query optimizer. It tailor optimizes your SQL queries to find the best execution plans for your hardware and engine.