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Abstract:
本文提出一种将关系数据库的一类嵌套SQL查询转换为代数运算的一种简化方法,该方法使这类查询的SQL语句简洁易懂,避免了SQL语句的多层嵌套.
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计算机工程与科学
ISSN: 1007-130X
CN: 43-1258/TP
Year: 2002
Issue: 3
Volume: 24
Page: 51-52,83
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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