DAL is not Data abstraction layer

[Yousha]

DBAL = DataBase Abstraction Layer
https://en.wikipedia.org/wiki/Database_abstraction_layer

Database abstraction layer is an application programming interface which unifies the communication between a computer application and databases such as SQL Server, DB2, MySQL, PostgreSQL, Oracle or SQLite.

DAL = Data Access Layer
https://en.wikipedia.org/wiki/Data_access_layer

Data access layer (DAL) in computer software, is a layer of a computer program which provides simplified access to data stored in persistent storage of some kind, such as an entity-relational database.