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What is the main difference between DQL (Doctrine Query Language) and traditional SQL?

DQL refers to tables and columns directly, whereas SQL abstracts these elements using object-oriented syntax.

DQL is specific to Doctrine and uses classes and properties to abstract the querying process, unlike SQL which directly refers to tables and columns.

DQL is used primarily for database migrations, while SQL is used for querying data.

DQL can only be used with MySQL databases, whereas SQL is compatible with multiple database systems.