Which of the following is the correct syntax to get the query plan for SELECT * FROM users; in PostgreSQL?

easy📝 Syntax Q12 of 15

PostgreSQL - Performance Tuning

Which of the following is the correct syntax to get the query plan for SELECT * FROM users; in PostgreSQL?

AEXPLAIN SELECT * FROM users;

BEXPLAIN ANALYZE users SELECT *;

CEXPLAIN FROM users SELECT *;

DANALYZE EXPLAIN SELECT * FROM users;

Step-by-Step Solution

Solution:

Step 1: Recall correct EXPLAIN syntax
The correct syntax is EXPLAIN followed by the query.
Step 2: Check each option
EXPLAIN SELECT * FROM users; matches the correct syntax. Others mix keywords incorrectly.
Final Answer:
EXPLAIN SELECT * FROM users; -> Option A
Quick Check:
EXPLAIN + query = correct syntax [OK]

Quick Trick: EXPLAIN always precedes the query [OK]

Common Mistakes:

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