What is a SQL transaction?

Question

Select all correct facts about SQL transaction from the options below:

Answer 1

A SQL transaction is a logical unit of work that is performed as a single atomic operation. It ensures that either all changes within the transaction are committed to the database or none of them are. This maintains data integrity and consistency.

Answer 2

A SQL transaction is a specific type of SQL statement that is used to perform calculations on data.

Answer 3

A SQL transaction is similar to a function call in programming, where it takes input, performs operations, and returns output.

Answer 4

A SQL transaction is a command that is executed directly on a database server.

Answer 5

A SQL transaction is a type of network protocol used for communication between databases.

Answer 6

A SQL transaction is a type of SQL query used for data retrieval.

Answer 7

A SQL transaction is a sequence of SQL statements that are treated as a single unit. If any statement within the transaction fails, the entire transaction will be rolled back, undoing all changes made.

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What is a SQL transaction?