Database Management System (DBMS)

281. Which interface provided by oracle:

  1. SQL*PLUS
  2. SQL*PLUS command line interface
  3. SQLPlus Worksheet
  4. iSQL*PLUS
  5. All of these

Correct answer: (E)
All of these

282. Analysis of an existing system starts when a customer request either for computerizing his ___________:

  1. Non-computerized operations
  2. Computerized operations
  3. Relational operation
  4. Database operation

Correct answer: (A)
Non-computerized operations

283. Which is done by developers is centered on input and output expected by the customer:

  1. Requires interaction
  2. Analysis of starting
  3. Analysis of existing
  4. None of these

Correct answer: (C)
Analysis of existing

284. What dose a system design include:

  1. I/O devices
  2. CPU
  3. Storage unit
  4. All of these

Correct answer: (D)
All of these

285. Which are used by developers to extrapolate complexities of real world into a computer based model:

  1. Data analysis techniques
  2. Data analysis model
  3. Data structure
  4. Data analysis

Correct answer: (A)
Data analysis techniques

286. A conceptual data model defines the structure of the data and method or processes that use:

  1. File
  2. Data
  3. Operation
  4. Testing

Correct answer: (B)
Data

287. CDA stands for:

  1. Confirmatory data analysis

Correct answer: (A)
Confirmatory data analysis

288. EDA stands for:

  1. Exploratory data analysis

Correct answer: (A)
Exploratory data analysis

289. WWW stands for:

  1. World wide web

Correct answer: (A)
World wide web

290. Which is the forerunner of data analysis having close link with data visualization and data dissemination:

  1. Data analysis model
  2. Data structure
  3. Data analysis
  4. Data integration

Correct answer: (D)
Data integration

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