EQL an Express Query Language
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David Koonce; Lizhong Huang; Robert Judd
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Article
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1998
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Elsevier Science
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English
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EQL, an acronym for EXPRESS Query Language, is an SQL-like query language that is used to perform ad hoc queries on data in PART 21 files. PART 21 is the clear text encoding of data in the object-oriented EXPRESS modeling format and is the format for the STEP standards like AP203. Traditional uses f