August 17, 2023
Question 4 A library relational database system uses the following schema USERS (User#, UserName, HomeTown) BOOKS (Book#, BookTitle, AuthorName) ISSUED (Book#, User#, Date) Explain in one […]
October 3, 2023
Question 3 In a B+ tree, if the search-key value is 8 bytes long, the block size is 512 bytes and the block pointer size is […]
October 3, 2023
Question 16 Which of the following is the recovery management technique in DDBMS ? A 2PC (Two Phase Commit) B Backup C Immediate update D All […]
October 3, 2023
Question 58 Given the basic ER and relational models, which of the following is INCORRECT? A An attribute of an entity can have more than one […]