Spiliopoulou et al., 1992 - Google Patents
Translation of SQL queries into a graph structure: query transformations and pre-optimization issues in a pipeline multiprocessor environmentSpiliopoulou et al., 1992
- Document ID
- 1239631644523987783
- Author
- Spiliopoulou M
- Hatzopoulos M
- Publication year
- Publication venue
- Information Systems
External Links
Snippet
We present a model for the transformation of SQL queries into a query tree structure dedicated for execution in a multiprocessor environment supporting pipeline. The translation includes unnesting of nested queries in its first phase, and final transformation into the query …
- 238000005457 optimization 0 title abstract description 17
Classifications
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- G06F17/30386—Retrieval requests
- G06F17/30424—Query processing
- G06F17/30442—Query optimisation
- G06F17/30448—Query rewriting and transformation
- G06F17/30451—Query rewriting and transformation of sub-queries or views
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