look at:
https://www.digitalocean.com/community/articles/sqlite-vs-mysql-vs-postgresql-a-comparison-of-relational-database-management-systems
SQLite vs MySQL vs PostgreSQL: A Comparison Of Relational Database Management Systems,布布扣,bubuko.com
SQLite vs MySQL vs PostgreSQL: A Comparison Of Relational Database Management Systems
原文：http://www.cnblogs.com/litao9046/p/3747704.html
