this is a HiveQL AST Tree Visualizer
a Apache Hive Query Plan Visualizer
leveldb 源码阅读分析,基于 1.20
Apache Superset is a Data Visualization and Data Exploration Platform
The SpliceSQL Engine
Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/br...
根据gpt2-ml中文模型finetune自己的数据集
Repo for counting stars and contributing. Press F to pay respect to glorious developers.
a prototype to interact with hdfs with kerberos
一定要避免 SQL 语句全表扫描,所以 SQL 一定要走索引(如:一切的 > < != 等等之类的写法都会导致全表扫描) mysql 在 8.0 之前是没有针对字段的统计直方图的,所以走索引不是一定会快