On the selection of secondary indices in relational databases
نویسندگان
چکیده
منابع مشابه
On the Selection of Secondary Indices in Relational Databases
An important problem in the physical design of databases is the selection of secondary indices. In general, this problem cannot be solved in an optimal way due to the complexity of the selection process. Often use is made of heuristics such as the well-known ADD and DROP algorithms. In this paper it will be shown that frequently used cost functions can be classified as superor submodular functi...
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Index Selection in Relational Databases
Intending to develop a tool which aims to support the physical design of relational databases can not be done without considering the problem of index selection. Generally the problem is split into a primary and secondary index selection problem and the selection is done per table. Whereas much attention has been paid on the selection of secondary indices relatively less is known about the sele...
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ژورنال
عنوان ژورنال: Data & Knowledge Engineering
سال: 1993
ISSN: 0169-023X
DOI: 10.1016/0169-023x(93)90023-i