What are some common JSONB operations in PostgreSQL?
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What are some common JSONB operations in PostgreSQL?
Common JSONB operations include querying, updating, and indexing JSONB data. Would you like examples of each?
Yes, please provide examples for querying and updating.
To query JSONB, you can use the -> operator to access a JSON object. For example: SELECT data->'name' FROM users;. For updating, you can use the jsonb_set function like this: UPDATE users SET data = jsonb_set(data, '{age}', '30') WHERE id = 1;.
How do I index JSONB data for better performance?
You can create a GIN index on a JSONB column using: CREATE INDEX idxgin ON users USING gin (data);. This improves query performance significantly.
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