SQL

Querying JSON Data Stored in a Column

Learn how to efficiently query and extract specific values from JSON data stored within a database column, common in modern web applications.

SELECT
  id,
  data->>'name' AS user_name,
  data->>'email' AS user_email
FROM
  users
WHERE
  data->>'status' = 'active';

How it works: This query demonstrates how to access and filter data within a JSONB (or JSON) column in PostgreSQL. The ->> operator extracts a JSON object field as text, allowing it to be used in SELECT and WHERE clauses like any other text column. This is crucial for applications that store semi-structured data directly in the database.

Querying JSON Data Stored in a Column

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