Home › GATE CSE › computerscience › Database Management Systems › Using the library analogy, what does the DBMS co…
Using the library analogy, what does the DBMS correspond to?
Athe bookshelf where books physically sit
Bthe librarian who fetches and re-shelves books
Cthe actual library building structure
Dthe catalogue card index system
Answer & Solution
Correct answer: B. the librarian who fetches and re-shelves books
The DBMS is the software that *manages* the data, the way a librarian manages the books on the shelves. The shelves, the building and the catalogue are all pieces of the library; the librarian is the one actively running it. CMU's Lecture 01 makes the same point in plain English: the database is the data, the DBMS is the software.
Related questions
The main reasons production DBMSs avoid shadow paging in favour of WAL are that shadow pagWhat is the purpose of a Compensation Log Record (CLR) in ARIES?ARIES recovery is structured as exactlyFuzzy checkpoints differ from naive checkpoints byIn standard log-based recovery, the order of operations isAfter a crash, with checkpointing, the recovery system scans the logA complete log record for a write operation includesPer WAL semantics, a transaction is officially committed at the moment