What is the main role of indexing in a database?
- 王林Original
- 2020-06-05 16:09:508855browse
The main function of indexing in the database is to increase query speed.
Index can speed up data query. The index file is stored as an independent file, and the file contains pointers to table records.
After the index is created, the physical order of records in the table remains unchanged.
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