Indexes in DB2 improve ________.
- Backup and recovery
- Data integrity
- Query performance
- Storage efficiency
Indexes in DB2 improve query performance. They serve as a data structure that helps in quickly locating and accessing specific rows within a table based on the indexed columns. By creating indexes on columns frequently used in search criteria or join conditions, DB2 can efficiently retrieve data, leading to faster query execution times and overall improved system performance.
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