Quick Answer
JSONB optimization: GIN index supports key existence (?), containment (@>), and path queries. jsonb_path_ops operator class for containment only - smaller, faster index. Partial indexes on specific JSONB keys: CREATE INDEX ON events ((data->>"type")) WHERE data->>"type" IS NOT NULL. Avoid querying deeply nested paths without indexes. Consider extracting frequently queried JSONB fields into regular columns.
Answer
GIN indexes accelerate JSONB containment and key-based queries. Operators like @> and ? support flexible search patterns.
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Verified Answer
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