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单词
relational calculus language
释义
relational calculus language
relational calculus language
[
ri′lā·shən·əl ′kal·kyə·ləs ‚laŋ·gwij
]
(computer science)
A higher-level nonprocedural language for operating on a data base of relations, containing statements that can be mapped to the fundamental algebraic operations on the database.
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make a virtue of necessity, to
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make away with (someone or something)
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make a world of difference
make a (x) fist of (something)
make a/your pile
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更新时间:2025/3/29 20:08:14