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Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
What are the costs to be considered when a transaction has to be rolled back when recovering from deadlock? Ans: A few transaction will must rolled back (made a victim)
write on the various type of relationalkey
What is meant by heuristic optimisation? Discuss the main heuristics that are applied during query optimisation. Ans: In heuristic optimization, heuristics are employed to r
1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of depe
Demonstrate your knowledge of PL/SQL programming by writing and thoroughly testing triggers and stored procedures associated with an e-commerce application that provides security l
Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
Task Partitioning, Sequencing and Project Planning The tasks required for the service might be broadly partitioned into: 0. Set up database tables and account file
What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo
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