Explain the difference between query optimization in relational databases and NoSQL databases.
- NoSQL databases do not require query optimization since they are schema-less.
- Optimization in relational databases focuses on SQL queries and involves techniques like indexing and join strategies. NoSQL optimization varies based on the specific database type (e.g., document, key-value, graph), often emphasizing distributed and horizontal scaling.
- Optimization strategies are similar, emphasizing efficient indexing and join operations in both relational and NoSQL databases.
- Query optimization is irrelevant in NoSQL databases as they are designed to handle unstructured data without optimization.
Query optimization in relational databases involves SQL-specific techniques, while NoSQL optimization is context-dependent on the type of NoSQL database used.
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