Jarke M., Koch J., Schmidt J. W., "Introduction to Query Processing", Query Processing in Database Systems, Springer-Verlag, 1985, pp 3-28. Home/Search Document Not in Database Summary Related Articles Check |
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METU Object-Oriented DBMS - Dogac, Ozkan, Arpinar, Okay.. (1994) (6 citations) (Correct)
....uniformity and randomness assumptions about value distributions tend to overestimate costs. However more sophisticated techniques require more statistical information about the database. The question of how to maintain such information within tolerable overhead is not yet fully resolved [Jar 85] A simple predicate in the system is a triplet of the form P 1 , oprnd , Table 10. Physical Parameters for hard disk Parameter Definition B block size btt block transfer time ebt effective block transfer time r average rotational latency s average seek time METU Object Oriented DBMS 13 ....
Jarke M., Koch J., Schmidt J. W., "Introduction to Query Processing ", in Query Processing in Database Systems, Springer-Verlag, 1985, pp 3-28.
Using Active Objects for Query Processing - Jungclaus, Saake, Sernadas (1991) (3 citations) (Correct)
....and access planning. The query system uses the facilities of the existing environment because it is realized using the same framework. Thus, we already achieve quite efficient query processing without the introduction of methods for further optimization like access plans or cost estimations (cf. JKS85] A runtime optimization using more sophisticated query object specifications can, however, be introduced without leaving the proposed framework. A possible extension would be the introduction of vertical parallelism (pipelining) By means of interaction elements of intermediate results can ....
Jarke, M.; Koch, J.; Schmidt, J. W.: Introduction to Query Processing. In: Kim, W.; Reiner, D.; Batory, D. (eds.): Query Processing in Databases. Springer Verlag, Berlin, 1985, pp. 3--28.
A Cost Model for Path Expressions in Object-Oriented Queries - Ozkan, Dogac, Altinel (1996) (2 citations) (Correct)
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Jarke M., Koch J., Schmidt J. W., "Introduction to Query Processing", Query Processing in Database Systems, Springer-Verlag, 1985, pp 3-28.
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Jarke M., Koch J., Schmidt J. W., "Introduction to Query Processing", Query Processing in Database Systems, Springer-Verlag, 1985, pp 3-28.
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