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Creating views with Replace option: This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted on it.
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
vertical fragmentation
The C_Artist application will be developed using the C language (C99 standards) and will be able to compile without warnings and link and run in the Swinburne computer laboratorie
Explain Data Sublangauges ? Data sublanguage: In relational database theory, the term sublanguage, first used for this purpose through E. F. Codd in the year of 1970, refers t
Differentiate between horizontal & mixed horizontal fragmentation?
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
Database Manager It is the interface among low-level data, queries and application programs. Databases typically need a large amount of storage space. It is kept on disks, as
Illustrate how you can use QBE to perform logical AND and OR operation
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
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