常見的關聯式資料庫

• 2019/09 關聯式資料庫排名 (參考：DB-Engines Ranking of Relational DBMS )
  

  排名	資料庫名稱	資料庫官網	DB-Engines的整理
  1	Oracle	https://www.oracle.com/	https://db-engines.com/en/system/Oracle
  2	MySQL	https://www.mysql.com/	https://db-engines.com/en/system/MySQL
  3	Microsoft SQL Server	https://www.microsoft.com/zh-tw/sql-server/	https://db-engines.com/en/system/Microsoft+SQL+Server
  4	PostgreSQL	https://www.postgresql.org/	https://db-engines.com/en/system/PostgreSQL
  5	IBM Db2	https://www.ibm.com/tw-zh	https://db-engines.com/en/system/IBM+Db2
  6	Microsoft Access	https://products.office.com/zh-tw/access	https://db-engines.com/en/system/Microsoft+Access
  7	SQLite	https://www.sqlite.org/	https://db-engines.com/en/system/SQLite
  8	MariaDB	https://mariadb.org/	https://db-engines.com/en/system/MariaDB
  9	Hive	https://hive.apache.org/	https://db-engines.com/en/system/Hive
  10	Teradata	https://www.teradata.com/	https://db-engines.com/en/system/Teradata

• 排名計算的方法：
  Method of calculating the scores of the DB-Engines Ranking