Data definition and data accessibility are critical components to managing databases. Users need the ability to define the structure for storing data. Users also need the ability to access the data stored within the database in order to work with the data, and query the data. 4D allows users all these levels of accessibility. 4D also supports the use of SQL; a popular programming language for accessing databases. This Tech Note will put 4D and SQL side by side and cover the uses of both when accessing a 4D database.

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