covering indexes
covering indexes is the plural of covering index.
Meaning of covering index
Noun
covering index (plural covering indexes)
- A database table index that contains all the columns needed to fulfill the query.
- Ordinarily, using a covering index will save one disk read (GAIN: 6/8). The gain is automatic but only if the columns in the select list exactly match the columns in the covering index.2003, Peter Gulutzan, Trudy Pelzer, SQL Performance Tuning, Addison-Wesley Professional, →ISBN, page 232
Questions about covering indexes
- What is covering indexes the plural of?
- Covering indexes is the plural of covering index.
Words near covering indexes in the dictionary
Source and license
Adapted from Wiktionary: covering indexes (page history and authors); covering index (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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