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What is Disadvantages Of DBMS ?
1. Cost of Software and Hardware and Migration - A important disadvantage of the DBMS system is cost.
2. Reduced Response and Throughput - The procedure overhead introduced through the DBMS to implement integrity, security, and sharing of the data causes a degradation of the response and throughput times.
3. Problem with Centralization - Centralization also means in which the data is accessible from a single source namely the database. This increases the potential of security breaches and disruption of the operation of the organization since of failures and downtimes.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
Describe the shadow paging technique.
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
notes about update opreation
what is attribute is attribute inheritance in dbms?
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
Removing a Synonym: DROP SYNONYM D30;
Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
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