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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
Explain the benefit of OOM. Main benefits of object oriented modeling are development of system become fast, quality of the system get improve. It gives freedom of use of alrea
Advantages of Database management system Let us summarize the advantages. Reduction of Redundancy: This is perhaps the most important advantage of using DBMS. Redundancy i
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
What Is Recovery? During the life of a transaction, i.e., a after the start of a transaction but before the transaction commits, various changes may be made in a database state
About Attribute inheritance
Describe the algorithm for updating indices for a single level index when a record is (i) Inserted (ii) deleted What will be the modification if there are multilevel in
differences between a classified catalog and a dictionary catalog
explain the level architectures of the database management system
what is primary key
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