Storage Internals: Pages Quiz Home › PostgreSQL DBA › Storage Internals: Pages 📦 Postgres Database Administration – Storage Internals: Pages 20 questions · 15 min timer · Explanations included · Free 1. How does PostgreSQL handle tuple deletion to ensure data consistency? By marking the tuple as dead and reclaiming space during vacuuming. By using a timestamp-based locking mechanism. By deleting the tuple in place and logging the change. By locking the entire table during the deletion. None Show Hint PostgreSQL handles tuple deletion by marking the tuple as dead, allowing it to remain in place until a vacuum operation reclaims the space. This approach ensures data consistency and allows other transactions to continue accessing the tuple until it is no longer needed. 2. Which of the following best describes a 'tuple' in PostgreSQL storage internals? A temporary storage area for query results. A collection of tables within a schema. A set of indexes associated with a table. A single row of data stored in a table. None Show Hint In PostgreSQL, a tuple is synonymous with a row in a table. It represents a single record containing data for each column defined in the table's schema. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up
