Full list of Database Drivers

Hi, can anyone give me a list of all database drivers for CI3 and CI4. I mean, exactly what to whrite in:

'dbdriver' => ' ';

CodeIgniter 3 Database Drivers:

cubrid
ibase
mssql
mysql
mysqli
oci8
odbc
pdo
postgre
sqlite3
sqlsrv

CodeIgniter 4 Database Drivers (Still in the Works!)

MySQLi
Postgre
SQLite3

What did you Try? What did you Get? What did you Expect?

Joined CodeIgniter Community 2009.  ( Skype: insitfx )