Abstract: Join order selection is one of the most challenging problems in query optimization and plays an essential role in providing high query performance in Big Data management. Currently, ...
Q. Last week, a tree branch fell on my car on a rainy day. My car was damaged, with a dent on the roof and a broken mirror. I had repeatedly requested the secretary to trim the trees before the rains, ...
JsQuery – is a language to query jsonb data type, introduced in PostgreSQL release 9.4. It's primary goal is to provide an additional functionality to jsonb (currently missing in PostgreSQL), such as ...
Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...
Abstract: This paper describes an implementation of Kruskal's algorithm in query optimization process for generation of a near optimal execution query tree. The open source Post- greSQL DBMS was used ...
The default number of initial edges for each node in a default graph (ANNG) is a fixed value 10. To optimize the number, first, the objects should be inserted without building indexes as follows.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results