Bird
0
0

In PostgreSQL, what is the main purpose of the jsonb_set function?

easy📝 Conceptual Q1 of 15
PostgreSQL - JSON and JSONB
In PostgreSQL, what is the main purpose of the jsonb_set function?
ATo delete a key from a JSONB object
BTo update or add a value at a specified path within a JSONB column
CTo convert JSONB data to text format
DTo merge two JSONB objects into one
Step-by-Step Solution
Solution:
  1. Step 1: Understand jsonb_set

    The function jsonb_set is designed to update or insert a value at a given path inside a JSONB column.
  2. Step 2: Differentiate from other functions

    It does not remove keys (that would be the minus operator), nor convert formats or merge objects.
  3. Final Answer:

    To update or add a value at a specified path within a JSONB column -> Option B
  4. Quick Check:

    jsonb_set modifies JSONB values at paths [OK]
Quick Trick: jsonb_set updates or inserts values in JSONB [OK]
Common Mistakes:
  • Confusing jsonb_set with key removal functions
  • Thinking jsonb_set converts JSONB to text
  • Assuming jsonb_set merges JSONB objects

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More PostgreSQL Quizzes