YugabyteDB query layer (YQL)

Query layer

YugabyteDB has an extensible query layer that implements the following APIs:

  • YSQL, a distributed SQL API wire-compatible with PostgreSQL.
  • YCQL, a semi-relational API built for high performance and massive scale, with its roots in Cassandra Query Language.
Overview
Query layer responsible for language-specific query compilation, execution and optimization.