Design and implementation of a relational query language with teams

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Abstract

In this paper, we introduce the concept `team' and incorporate the team query into data language SQL. Existing relational query languages use tuple variables of tables to specify required data. Queries that are expressed by these languages are used to get all the data which satisfy the specified conditions. While a team variable represents a subset of a table, a team query is to retrieve all the teams that meet certain constraints. We introduce team qualifications and briefly describe team query processing. The search space of a team query may be very large. Therefore, instead of using conventional breadth-first search method, we adopt a depth-first search method for query processing. Thus, users can always get results, if one exists.

Original languageEnglish
Title of host publicationProceedings of the 10th IEEE Region Conference on Computer, Communication, Control and Power Engineering
PublisherPubl by IEEE
Pages339-342
Number of pages4
ISBN (Print)0780312333
StatePublished - 1993
EventProceedings of the 1993 IEEE Region 10 Conference on Computer, Communication, Control and Power Engineering (TENCON '93). Part 1 (of 5) - Beijing, China
Duration: 19 Oct 199321 Oct 1993

Publication series

NameProceedings of the 10th IEEE Region Conference on Computer, Communication, Control and Power Engineering

Conference

ConferenceProceedings of the 1993 IEEE Region 10 Conference on Computer, Communication, Control and Power Engineering (TENCON '93). Part 1 (of 5)
CityBeijing, China
Period19/10/9321/10/93

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