What are the differences between GIN and B-tree indexes in PostgreSQL?
GIN (Generalized Inverted Index) is optimized for searching composite types and full-text search, while B-tree is best for equality and range queries.
When should I use GIN over B-tree?
Use GIN when you need to index array elements or JSONB data, especially for full-text search. B-tree is better for simple data types.
Are there any performance considerations I should be aware of?
Yes, GIN indexes can be slower to build and require more storage, but they excel in read-heavy scenarios with complex queries.
Can I use both types of indexes in the same table?
Absolutely! You can use both GIN and B-tree indexes on different columns of the same table to optimize various query types.
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