[Solved] Why does the ->> operator return text instead of JSON in PostgreSQL? — Ans: Because it extracts the JSON field and automatically converts it to text | PostgreSQL

PostgreSQL - JSON and JSONB

Why does the ->> operator return text instead of JSON in PostgreSQL?

ABecause it returns the entire JSON object as text

BBecause it extracts the JSON field and automatically converts it to text

CBecause it deletes the JSON key after extraction

DBecause it only works on JSON arrays, not objects

Step-by-Step Solution

Solution:

Step 1: Understand purpose of ->> operator
The ->> operator extracts a JSON field and returns its value as plain text, not JSON.
Step 2: Reason why text is returned
This is because it automatically converts the JSON value to text for easier use in SQL queries.
Final Answer:
Because it extracts the JSON field and automatically converts it to text -> Option B
Quick Check:
->> returns text by converting JSON value [OK]

Quick Trick: ->> extracts and converts JSON value to text [OK]

Common Mistakes:

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Why does the ->> operator return text instead of JSON in PostgreSQL?