| Atkinson M.P. PS-Algol Reference Manual 2nd Ed. University of Glasgow Computing Science PPR Report 12 (1985). |
....supported, they do not seem to be specific to functional languages. Data Abstraction originated in the procedural world [14] and is widely used there [2, 4, 37] Pattern matching had its origins in procedural languages [34] Many procedural languages also treat procedures as first class objects [8, 45]. 2.4 Impact on Data Languages Because referential transparency is the significant property of functional languages, when functional languages are used in databases the impact of referential transparency is being investigated. The consequences of preserving referential transparency in each of the ....
Atkinson M.P. PS-Algol Reference Manual 2nd Ed. University of Glasgow Computing Science PPR Report 12 (1985).
....queries over new bulk types constructed by the application programmer, providing that the new type has some well defined properties. 1 Introduction Several database programming languages, or DBPLs, are emerging that enable programmers to create dataintensive applications with greater ease [1, 2, 3, 15, 19, 23]. Each DBPL must incorporate a query notation because interrogating the database is a common task. A query notation should be clear, concise, efficient and well integrated with its host language. Arguments are constructed that comprehensions, a construct found in some programming languages, have ....
Atkinson M.P. PS-Algol Reference Manual 2nd Ed. University of Glasgow Computing Science PPR Report 12 (1985).
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