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What does auto-commit mode do in a SQL database?

easy📝 Conceptual Q11 of 15
SQL - Transactions and Data Integrity
What does auto-commit mode do in a SQL database?
APrevents any changes from being saved to the database
BRequires manual saving of changes after multiple statements
CAutomatically saves each SQL statement immediately after execution
DOnly saves changes when the database server restarts
Step-by-Step Solution
Solution:

  1. Step 1: Understand auto-commit behavior

    Auto-commit means every SQL statement is saved immediately without needing extra commands.

  2. Step 2: Compare options with definition

    Automatically saves each SQL statement immediately after execution matches this behavior exactly, others describe manual or no saving.

  3. Final Answer:

    Automatically saves each SQL statement immediately after execution -> Option C

  4. Quick Check:

    Auto-commit = immediate save [OK]
Quick Trick: Auto-commit means no manual save needed after each statement [OK]
Common Mistakes:
  • Thinking auto-commit requires manual COMMIT
  • Confusing auto-commit with rollback behavior
  • Assuming changes save only on server restart

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