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JSON Data Querying
advancedsql
Background
JSON columns in PostgreSQL enable flexible schema storage with powerful querying capabilities.
Problem
Extract nested values from JSONB columns using ->, ->>, and jsonb_path_query.
Input
Table with JSONB column
Output
Extracted JSON values
Sample tests
Sample 1
Input: JSONB with nested data
Expected: extracted values
Your solution
Learning objective
Learn JSON manipulation in SQL databases