What is the primary effect of having multiple indexes on a table when performing an INSERT operation?

easy📝 Conceptual Q1 of 15

SQL - Indexes and Query Performance

What is the primary effect of having multiple indexes on a table when performing an INSERT operation?

AIt slows down the <code>INSERT</code> because all indexes must be updated.

BIt speeds up the <code>INSERT</code> because indexes help find the insert position faster.

CIt has no effect on the <code>INSERT</code> performance.

DIt causes the <code>INSERT</code> to fail if indexes exist.

Step-by-Step Solution

Solution:

Step 1: Understand how indexes affect data modification
When inserting a new row, the database must update all indexes to include the new data.
Step 2: Analyze the impact on performance
Updating multiple indexes requires extra work, which slows down the INSERT operation.
Final Answer:
It slows down the INSERT because all indexes must be updated. -> Option A
Quick Check:
Index update overhead = slows INSERT [OK]

Quick Trick: More indexes mean slower INSERTs due to extra updates [OK]

Common Mistakes:

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