What is the need of dbms - Study guides, Class notes & Summaries

CS 430 Database System Exam Practice Questions and Answers What are the data structures the storage manager implements as part of the physical system? - Ans:- -Data files -Data dictionary -Indices I've just added a new person to the Employee database and I did not have to alter my application that uses this database. This is an example of which type of abstraction? - Ans:-Logical T/F: An object-oriented data model permits the specification of data where individual data items of the s...

WGU C175 Data Management – Foundations Exam| Quiz Bank (Latest 2023/ 2024) 300+ Questions and Verified Answers- 100% Correct Q: What are the requirements of first normal form? a) No value in a table should depend on only part of a key that can be used to uniquely identify a row b) Values in each cell should be atomic and tables should have no repeating groups. c) Values should not be stored if they can be calculated from another non-key field. d) all of the above Answer: b Q...

C790 Practice Questions 1. Place the steps for the Staggers and Nelson life cycle in order from first (1) to last (4): o Implementation (3) o Analysis/planning (1) o Design/development (2) o Maintenance and support (4) 2. What describes the maintenance phase of the system development life cycle? • The system is upgraded o The system requirements are defined o The system undergoes a readiness assessment o The system user undergo education and training 3. During which phase of the sys...

WGU Intro to IT Exam A, WGU Intro To IT Exam B, TEST D QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS The __________________ is the electronic circuit responsible for executing computer program instructions. Central Processing Unit Which of the following best describes the Internet? The Internet is a global network of networks Which is found on the motherboard and stores information, but the information is not permanent? RAM The role of a ______ ______ is to respond to requests most typic...

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

CISA Exam 50 Question with Verified Answers Question: Asset Classification Information is one of an organization's most important assets. It should be considered when developing the organization's business and security objectives. It is much easier to map business and security objectives for a given information asset when assets are classified. What is the benefit of classifying information assets? Choose the best option(s) from those listed below. a) Establishing appropriate access co...

HRD 3700 Quizzes | Questions with 100% Correct Answers A focus on data, storage, processing, and flows at the operational level and efficient transaction processing is referred to as a management information system (MIS). False The continual interaction between HRIS and the HR program evaluation results is the main factor in the use of the HR workforce scorecard. False The system used to acquire, store, manipulate, analyze, retrieve, and distribute information regarding an organization's h...

The server limits data connections. What should you use for connectivity when the number of users exceeds the number of connections? A.) Named Pipes B.) Connection Pooling C.) Connection Timeouts D.) Normalization - Answer- B.) Connection Pooling The database administrator will not allow you to write SQL code in your application how do you retrieve data? A.) Call a stored procedure B.) Script a SELECT statement to a file C.) reference an index in the database D.) Query a databas...

ISTM 210 - Exam 1 Exam Questions With 100% Verified Answers 2024 What law predicts that Google Earth will become Google Live? - answerMoore's Law What is the most important part of an information system? - answerPeople Does the average businessperson need to be an expert in IT? - answerNo What plays an import role when learning IT? - answerAttitude Acquiring technology when it is first introduced is called what? - answerBeing a leader Waiting to acquire technology until it is proven is c...

ISTM 210 - Exam 1 Exam Questions With 100% Verified Answers 2024 What law predicts that Google Earth will become Google Live? - answerMoore's Law What is the most important part of an information system? - answerPeople Does the average businessperson need to be an expert in IT? - answerNo What plays an import role when learning IT? - answerAttitude Acquiring technology when it is first introduced is called what? - answerBeing a leader Waiting to acquire technology until it is proven is c...