D programming language (disambiguation)

There have been several programming languages called D in the history of computing:

Most notably, the D programming language by Walter Bright, created as a successor to C.
Tutorial D, a database query language proposed by Christopher J. Date and Hugh Darwen.
Dialog Manager programming language.
The Data Language, an MS-DOS 4GL. [1]
D functional programming language, a Haskell-like language, with type classes.
D programming language (Sun), designed to be used with the DTrace framework. [2]

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