VALLIAMMAI ENGINEERING COLLEGE III SEMESTER - B.E – COMPUTER SCIENCE AND ENGINEERING QUESTION BANK - CS6302 DATABASE MANAGEMENT SYSTEMS UNIT I 1. What are the disadvantages of file processing system? 2. Explain the basic structure of a relational database with an example. 3. What do you mean by weak entity set? 4. Give example for one to one and one to many relationships. 5. What is the need of normalization? 6. Write a note on functional dependencies. 7. Who is a DBA? What are the responsibilities
Premium Database SQL Relational model
sorts of people need access to companies’ databases. In addition to a company’s own employees‚ these include the company’s customers‚ potential customers‚ suppliers‚ and vendors of all types. It is possible for a company to have all of its databases concentrated at one mainframe computer site with worldwide access to this site provided by telecommunications networks‚ including the Internet. Although the management of such a centralized system and its databases can be controlled in a well-contained manner
Premium Database management system Database model Database
information helps the employees responsible for information management to make informed choices about how to implement technology. These decisions allow the manager to successfully use time and resources in apparently menacing tasks. This is shown in the two scenarios. In the first scenario‚ a marketing assistant of a consumer electronics company is given the task of maintain booths for trade shows from the beginning to the end of the show‚ they are also responsible to solve any issues related to the product
Premium Computer network Wi-Fi
Jorge Santana IT203 Database Development Paul Michael Kelly Jr. 03/24/2014 LAB 1 Lab 1.1 – Explore the AdventurWorks Database Using SQL Server Management Studio. Lab 1.2 – Define Major Topics for a Database Nouns Major Topics Doctors Doctor’s Information Patients Patient’s Information Drugs New drug‚ Prozac Interviews Extent of depression‚ sleeping patterns‚ activity level‚ etc. Check ups Blood pressure‚ blood test results‚ depression indicators‚ etc. Lab 1.3 – Create a Statement
Premium Database Relational model SQL
savings throughout the enterprise are the two main focal points of Census Bureau’s operational strategy. However‚ Census Directorates are constantly implementing various cost-conscious and streamlined techniques‚ concentrated solely towards experienced resources and not emerging technology to achieve their goals of efficiency in productivity‚ costs and increased service levels. Additionally‚ at the Census Bureau‚ not every active or operational database is a candidate for consolidation‚ and those
Premium Management Strategic management Database
Database System Versus File System Consider part of a savings-bank enterprise that keeps information about all customers and savings accounts. One way to keep the information on a computer is to store it in system files. To allow users to manipulate the information‚ the system has a number of application programs that manipulate the files including • A program to debit or credit an account • A program to add new account • A program to find the balance of an account • A program to generate
Premium Database Computer program Computer
Advantages of a Relational database Relational databases are the standard when creating industrial standard efficient and scalable databases. They are based on a structure of tables which are logically connected to each other and can be queried in complex way to extract relevant and meaningful information. The querying of a relational database is done using a high level language called SQL which stands for structured query language. SQL is very easy to understand and unlike
Premium
A definition of a Network database model Network database model is a hierarchical structure created to represent complex relation-ships more effectively than the hierarchical model‚ to improve database performance standard. Network database generally implement the set relationships by means of pointers that directly address the location of a record on the disk. This gives excellent retrieval performance Advantages of the network database model * Capability to handle more relationship types:
Premium Database Structure Data management
Abstract Oracle Database 11 g is a comprehensive platform database‚ there are many features of the Oracle product that support different kinds of companies worldwide. This writing assignment will present an overview of some Oracle features. More specifically this paper will focus on the main features of oracle database administration‚ like security‚ indexing constraints and views. Basic user security Security refers to activities and measures to ensure the confidentiality‚ integrity
Premium SQL Database
Exam Practice Guides Student Trial Exam Papers Teach Yourself Series Topics for Units 1 - 4 Browse Programs Summer School Head Start Program Intensive Weekly Tutorial Classes Easter Holiday Program Winter School Mid-way Revision and Head Start Program September Holiday Programs End-of-year Revision Programs VCE Calculator Mastery Sessions VCE Success Programs IT Applications At TSSM we cover VCE IT Applications in more detail than any other
Premium Management Data management Education