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Describe the four main ways of optimising disk block access.
Ans: a. Disk
b. Non-volatile writes buffers
c. File organization (Clustering)
d. Log-based file system
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
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A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
Structure of Client Server Systems: In client/server architecture, clients show users who require services while servers give services. Both client and server are a combination of
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu
Design a gennalization and specialization hierarchy for an automobile sales company
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