====== Database ======
  * [[http://sqlfiddle.com/|SQLFiddle]] 웹상에서 SQL 테스트.

===== Databases =====
  * [[database:mysql|MySQL]]
  * [[database:mariadb|MariaDB]]
  * [[database:postgresql|PostgreSQL pgsql]]
  * [[mssqlserver|MS SQL Server]]
  * [[database:aurora|Aurora - AWS Database]]

===== 관리도구 =====
  * [[database:omnidb|OmniDB]]
  * [[database:phpmyadmin|PHPMyAdmin]]
  * [[database:adminer|Adminer]]
  * [[database:dbeaver|DBeaver]]
  * https://www.heidisql.com/

===== 시각화/분석 =====
  * [[database:metabase|Metabase]]
  * [[database:sqlpad|SQLPad]]
  * [[database:redash|redash]]

===== Catalog, Database, Schema, User 등의 개념? =====
  * Database 종류마다 각 용어의 의미가 다르다.
  * [[https://stackoverflow.com/questions/7942520/relationship-between-catalog-schema-user-and-database-instance|mysql - Relationship between catalog, schema, user, and database instance - Stack Overflow]]
  * 특히 [[database:mysql|MySQL]] 은 ''schema''의 개념이 없다고 보면 된다. ''catalog''를 사용해야 한다.