Cassandra

Hadoop

HBase

HiveQL

Microsoft SQL Server (MS SQL)

Microsoft SQL Server (MS SQL), Microsoft SQL Server security, Microsoft SQL Server database projects, Microsoft SQL Server databases

MySQL database

MariaDB, Oracle DB2

Neo4j

PostgreSQL

Redis, MySQL

Redis

PostgreSQL, MySQL, MongoDB

Relational databases

SQL queries

Structured Query Language (SQL), SQL queries, SQL query

SQLite

Berkeley DB, Berkeley databases, mobile databases