[Solved] What is the main advantage of using a JSON column in a PostgreSQL table? — Ans: It allows storing flexible, schema-less data within a relational table. | PostgreSQL

PostgreSQL - JSON and JSONB

What is the main advantage of using a JSON column in a PostgreSQL table?

AIt enforces strict data types on all stored values.

BIt allows storing flexible, schema-less data within a relational table.

CIt automatically creates indexes on all JSON keys.

DIt compresses data to save disk space.

Step-by-Step Solution

Solution:

Step 1: Understand JSON column purpose
A JSON column lets you store data without fixed columns, useful for flexible data.
Step 2: Compare options
Only It allows storing flexible, schema-less data within a relational table. correctly describes this flexibility; others are incorrect features.
Final Answer:
It allows storing flexible, schema-less data within a relational table. -> Option B
Quick Check:
JSON column purpose = Flexible data storage [OK]

Quick Trick: JSON columns store flexible data without fixed schema [OK]

Common Mistakes:

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What is the main advantage of using a JSON column in a PostgreSQL table?