MySQL vs PostgreSQL

MySQL is the more common of the two in our index: it runs on 9,171 websites against 34 for PostgreSQL, and 4 sites use both. Counts come from real scans, not vendor claims.

MySQL
9,171
PostgreSQL
34

Used together

4 sites run both MySQL and PostgreSQL. That is 12% of the sites using PostgreSQL, the smaller of the two.

More comparisons

Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.