Access path query language for relational database systems
Database management systems offer a very reliable and attractive data organization for fast and economical information storage and processing for diverse applications. It is much more important that the information should be easily accessible to users with varied backgrounds, professional as well as...
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1983
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ftindianacasci:oai:repository.ias.ac.in:70171 2023-05-15T16:01:54+02:00 Access path query language for relational database systems Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara 1983-08 http://repository.ias.ac.in/70171/ http://onlinelibrary.wiley.com/doi/10.1002/spe.4380130802/abstract unknown John Wiley and Sons Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara (1983) Access path query language for relational database systems Software: Practice and Experience, 13 (8). pp. 661-670. ISSN 0038-0644 Article PeerReviewed 1983 ftindianacasci 2013-01-20T12:41:58Z Database management systems offer a very reliable and attractive data organization for fast and economical information storage and processing for diverse applications. It is much more important that the information should be easily accessible to users with varied backgrounds, professional as well as casual, through a suitable data sublanguage. The language adopted here (APPLE) is one such language for relational database systems and is completely nonprocedural and well suited to users with minimum or no programming background. This is supported by an access path model which permits the user to formulate completely nonprocedural queries expressed solely in terms of attribute names. The data description language (DDL) and data manipulation language (DML) features of APPLE are also discussed. The underlying relational database has been implemented with the help of the DATATRIEVE-11 utility for record and domain definition which is available on the PDP-11/35. The package is coded in Pascal and MACRO-11. Further, most of the limitations of the DATATRIEVE-11 utility have been eliminated in the interface package. Article in Journal/Newspaper DML Indian Academy of Sciences: Publication of Fellows |
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Indian Academy of Sciences: Publication of Fellows |
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Database management systems offer a very reliable and attractive data organization for fast and economical information storage and processing for diverse applications. It is much more important that the information should be easily accessible to users with varied backgrounds, professional as well as casual, through a suitable data sublanguage. The language adopted here (APPLE) is one such language for relational database systems and is completely nonprocedural and well suited to users with minimum or no programming background. This is supported by an access path model which permits the user to formulate completely nonprocedural queries expressed solely in terms of attribute names. The data description language (DDL) and data manipulation language (DML) features of APPLE are also discussed. The underlying relational database has been implemented with the help of the DATATRIEVE-11 utility for record and domain definition which is available on the PDP-11/35. The package is coded in Pascal and MACRO-11. Further, most of the limitations of the DATATRIEVE-11 utility have been eliminated in the interface package. |
format |
Article in Journal/Newspaper |
author |
Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara |
spellingShingle |
Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara Access path query language for relational database systems |
author_facet |
Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara |
author_sort |
Patnaik, L. M. |
title |
Access path query language for relational database systems |
title_short |
Access path query language for relational database systems |
title_full |
Access path query language for relational database systems |
title_fullStr |
Access path query language for relational database systems |
title_full_unstemmed |
Access path query language for relational database systems |
title_sort |
access path query language for relational database systems |
publisher |
John Wiley and Sons |
publishDate |
1983 |
url |
http://repository.ias.ac.in/70171/ http://onlinelibrary.wiley.com/doi/10.1002/spe.4380130802/abstract |
genre |
DML |
genre_facet |
DML |
op_relation |
Patnaik, L. M. Phule, Shailendra Rao, K. Venkateswara (1983) Access path query language for relational database systems Software: Practice and Experience, 13 (8). pp. 661-670. ISSN 0038-0644 |
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1766397590047293440 |