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Question 1 Suppose the employee employee id, name, designation, salary, attendance and address of any employee has to be stored in a database. You can store these data in a sequential address book or it can be stored on a hard disk, using a computer and software like Microsoft Excel. Using this example define a database. List and explain the various procedures carried on in a DBMS with a detailed example of the database
Question 2 What are the different types of interfaces provided by DBMS?
Question 3 Level 2 cache has got higher latency than Level 1 by 2 times to 10 times in 512 KiB or more. Its value is nearer to kilobyte. This is one of the levels of memory hierarchy. Define memory hierarchy. What are the other levels in memory hierarchy? Explain in one life each for each of them
Advantages of Database management system Let us summarize the advantages. Reduction of Redundancy: This is perhaps the most important advantage of using DBMS. Redundancy i
Which component is not included in database environment ? A users component is not included in database environment.
What is object containment? References among objects can be used to model dissimilar real-world concepts.
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo
Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
Explain ODBC? ODBC - Open DataBase Connectivity (ODBC) enable the integration of SQL along with a general-reasons programming language.
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