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The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
how to prepare a data dictionary for online examination system for certified courses?
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Performance of Various Concurrency Control Mechanisms
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
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
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
management information system based on functional organisation
State as Location within a Program In this traditional approach, location of control inside a program totally defines the program state. Any finite state machine may be implem
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