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Question 1 Discuss about second normal form and third normal form
Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition Language
Question 3 Define the following terms 2) Entity 2) Keys
Question 4 Write down the characteristics of different types of storage devices. List (Cache, Main memory, Flash memory, Magnetic-disk storage, Optical storage, Tape storage)
Question 5 Differentiate between 1) Relational Data Model 2) Hierarchical Model
Question 6 What is Normalization? Explain different types of normal form
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Briefly explain the state diagram by taking one example. State Diagram - An object can be given a sequence of input instructions. The state of the object can vary depending u
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
Explain what is RDBMS ? RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need f
With the help of a diagram defines the typical element modules of a DBMS? The functional elements of a database system can be widely divided into: 1) Storage manager and 2) q
What is magnetic disks?explain it? Magnetic disk provides the bulk of secondary storage of modern computer system. The disk capacity is growing at over 50% per year. But the st
Question (a) Visual Basic is governed by an event processor. Explain the meaning of this phrase. (b) Differentiate between an general procedure and event procedure. (c)
External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d
What are the physical characteristics of magnetic disks? Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik
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