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notes about update opreation
Distributed And Client Server Databases Introduction This unit tells the distributed database systems which are primarily relational and one important execution model: the
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
explain ER Modeling?
what is er digram given that example of hospital,bank and library er digram.
Question 1 Explain the functions of the following Storage Manager Buffer Manager Transaction Manager 2 Discuss about system catalog in a relational DBMS 3
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
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