What is indexing in the context of relational databases?
- A data structure that enhances sorting and searching operations
- A mechanism to enforce data integrity
- A technique to encrypt sensitive data
- An approach to optimize database backup processes
Indexing in relational databases refers to the creation of a data structure that enhances sorting and searching operations. It accelerates query retrieval by providing a quick lookup mechanism, especially for large datasets, and is crucial for optimizing database performance.
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