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What is storage manager?
A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries submitted to the system.
Problem: (a) Given the following relation: Stats(Name,Sex,Children, Occupation, Salary, Tax, Audits) Write SQL code to define the following security constraints: (i) User
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
losers with new information systems
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
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