https://www.doctrine-project.org/projects/doctrine-dbal/en/3.7/explanation/implicit-indexes.html
Implicit indexes - Doctrine Database Abstraction Layer (DBAL)
Doctrine Database Abstraction Layer Documentation: Implicit indexes
database abstraction layerimplicitindexesdoctrinedbal
https://www.phpclasses.org/package/6292-PHP-Database-abstraction-layer-with-drivers.html
Jade Dbo: Database abstraction layer with drivers - PHP Classes
This package implements a database abstraction layer with drivers to access different types of databases. The main class can setup the driver object and route...
database abstraction layerjadedbodriversphp
https://mailman.mit.edu/pipermail/krbdev/2005-July/003588.html
krb5 DAL (database abstraction layer) and related changes
database abstraction layerrelated changesdal
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/TZ3L6JRX5OS4ID4T5KQODDTTKMDC2JQ2/?sort=thread
RE: [Wikitech-l] Database abstraction layer - Wikitech-l - lists.wikimedia.org
database abstraction layerwikitechlistswikimedia