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SQLquery~5 mins

BEGIN TRANSACTION syntax in SQL - Cheat Sheet & Quick Revision

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Recall & Review
beginner
What does BEGIN TRANSACTION do in SQL?

BEGIN TRANSACTION starts a new transaction block. It tells the database to treat the following operations as a single unit that can be committed or rolled back together.

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beginner
Why use BEGIN TRANSACTION before multiple SQL statements?

Using BEGIN TRANSACTION ensures that all statements inside the transaction either succeed together or fail together, keeping data consistent.

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beginner
What commands usually follow BEGIN TRANSACTION?

After BEGIN TRANSACTION, you usually run your SQL statements, then use COMMIT to save changes or ROLLBACK to undo them.

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intermediate
Is BEGIN TRANSACTION supported by all SQL databases?

Most SQL databases support BEGIN TRANSACTION or similar commands, but syntax can vary slightly. Always check your database documentation.

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intermediate
What happens if you forget to COMMIT after BEGIN TRANSACTION?

If you forget to COMMIT, the changes made inside the transaction might not be saved and could be rolled back automatically when the session ends.

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What is the purpose of BEGIN TRANSACTION in SQL?
ATo delete data from a table
BTo end a transaction
CTo start a group of operations treated as one unit
DTo create a new database
Which command is used to save changes after BEGIN TRANSACTION?
AROLLBACK
BSAVE
CEND
DCOMMIT
What does ROLLBACK do in a transaction?
AUndoes all changes made in the transaction
BStarts a new transaction
CSaves changes permanently
DDeletes the transaction log
If you do not use COMMIT after BEGIN TRANSACTION, what happens?
AChanges are saved automatically
BChanges might be lost or rolled back
CTransaction ends successfully
DDatabase crashes
Which of these is NOT a typical step in a transaction?
ACREATE TABLE
BBEGIN TRANSACTION
CROLLBACK
DCOMMIT
Explain what BEGIN TRANSACTION does and why it is important in SQL.
Think about how to keep data changes safe and consistent.
You got /4 concepts.
    Describe the sequence of commands you use when working with transactions in SQL.
    What do you do before and after your SQL commands to control changes?
    You got /3 concepts.