Computer Science for IGCSE & O level - Databases (Section 6 - No. 20)
What is a transaction in a database context?
A single query executed against the database.
A sequence of operations performed as a single unit of work.
The process of creating a new table.
A backup of the database.
解释
A transaction represents a unit of work that can include multiple database operations, ensuring they are either all completed successfully or none are.