[Solved] What information does the EXPLAIN statement provide about a SQL query? — Ans: Details about how the database executes the query | SQL

SQL - Indexes and Query Performance

What information does the EXPLAIN statement provide about a SQL query?

ADetails about how the database executes the query

BThe exact data rows returned by the query

CThe syntax errors in the query

DThe user permissions required to run the query

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of EXPLAIN
EXPLAIN shows the execution plan, not the data or errors.
Step 2: Identify what EXPLAIN outputs
It provides details on how the database plans to run the query, like indexes used and join methods.
Final Answer:
Details about how the database executes the query -> Option A
Quick Check:
EXPLAIN output = Execution details [OK]

Quick Trick: EXPLAIN shows query steps, not data or errors [OK]

Common Mistakes:

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What information does the EXPLAIN statement provide about a SQL query?