How Identical Are 'Identical Characters' in Japanese? Measuring MySQL and PostgreSQL Collations and Full-Width Character Handling to Create a Duplicate Insp…

When applying UNIQUE constraints to Japanese names or addresses, or matching them via JOIN, the database collation determines ...

Backups must be restored and verified—I measured the conditions under which SQLite, PostgreSQL, and MySQL fail to restore and created a verification script

When judging whether a backup can be restored based solely on exit codes and integrity checks, I found conditions in SQLite, ...
LWN.net

So how does PostGreSQL compare to MySQL?

"My main question so far is: is the syntax 100% compatible?" No, it isn't. It's probably not even 90% compatible. However, if you've stuck to the SQL standard you won't have many things - if any - to ...
HackerNoon

PostgreSQL vs. MySQL: How MVCC Works Under the Hood

Multi version concurrency control plays an important role in deciding relational databases. Each database management system ...