[Solved] A user runs VACUUM ANALYZE; without specifying a table but gets an error. What is the likely cause? — Ans: VACUUM ANALYZE requires a table name or must be run as a superuser | PostgreSQL

PostgreSQL - Transactions and Concurrency

A user runs VACUUM ANALYZE; without specifying a table but gets an error. What is the likely cause?

AVACUUM ANALYZE is not a valid command

BVACUUM ANALYZE cannot be run without a WHERE clause

CVACUUM ANALYZE requires a table name or must be run as a superuser

DVACUUM ANALYZE requires the table to be locked first

Step-by-Step Solution

Solution:

Step 1: Check VACUUM ANALYZE usage rules
Running VACUUM ANALYZE without a table name requires superuser privileges.
Step 2: Eliminate incorrect reasons
It does not require WHERE clauses, is valid, and does not require prior locking.
Final Answer:
VACUUM ANALYZE requires a table name or must be run as a superuser -> Option C
Quick Check:
VACUUM ANALYZE needs table or superuser [OK]

Quick Trick: VACUUM ANALYZE without table needs superuser [OK]

Common Mistakes:

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A user runs VACUUM ANALYZE; without specifying a table but gets an error. What is the likely cause?