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What is the main purpose of using a CURSOR in SQL?

easy📝 Conceptual Q11 of 15
SQL - Stored Procedures and Functions
What is the main purpose of using a CURSOR in SQL?
ATo process query results row by row
BTo speed up bulk data insertion
CTo create new tables dynamically
DTo automatically backup the database
Step-by-Step Solution
Solution:

  1. Step 1: Understand what a cursor does

    A cursor allows you to handle each row returned by a query individually, instead of all at once.

  2. Step 2: Compare options to cursor purpose

    Options B, C, and D describe tasks unrelated to row-by-row processing, which is the cursor's main use.

  3. Final Answer:

    To process query results row by row -> Option A

  4. Quick Check:

    Cursor = row-by-row processing [OK]
Quick Trick: Remember: Cursor = handle rows one at a time [OK]
Common Mistakes:
  • Thinking cursor speeds up bulk inserts
  • Confusing cursor with table creation
  • Assuming cursor automates backups

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