Exam 13: Business Intelligence and Data Warehouses
Exam 1: Database Systems76 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model75 Questions
Exam 4: Entity Relationship Er Modeling75 Questions
Exam 5: Advanced Data Modeling85 Questions
Exam 6: Normalization of Database Tables110 Questions
Exam 7: Introduction to Structured Query Language Sql111 Questions
Exam 8: Advanced Sql109 Questions
Exam 9: Database Design103 Questions
Exam 10: Transaction Management and Concurrency Control85 Questions
Exam 11: Database Performance Tuning and Query Optimization85 Questions
Exam 12: Distributed Database Management Systems83 Questions
Exam 13: Business Intelligence and Data Warehouses75 Questions
Exam 14: Database Connectivity and Web Technologies85 Questions
Exam 15: Database Administration and Security86 Questions
Select questions type
Business intelligence is a framework that allows a business to transform data into information, information into knowledge, and knowledge into wisdom.
(True/False)
4.9/5
(86)
_____ are qualifying characteristics that provide additional perspectives to a given fact.
(Short Answer)
4.9/5
(72)
The basic star schema has four components: facts, , attributes, and attribute hierarchies.
(Multiple Choice)
4.7/5
(81)
A schema is a type of star schema in which dimension tables can have their own dimension tables.
(Multiple Choice)
4.8/5
(87)
can serve as a test vehicle for companies exploring the potential benefits of data warehouses.
(Multiple Choice)
4.8/5
(77)
functionality ranges from simple data gathering and transformation to very complex data analysis and presentation.
(Short Answer)
5.0/5
(93)
In a star schema, attributes are often used to search, filter, or classify .
(Multiple Choice)
4.9/5
(81)
OLAP systems are designed to use both operational and data _____ data.
(Short Answer)
4.7/5
(82)
A data _____ is a small, single-subject data warehouse subset that provides decision support to a small group of people.
(Short Answer)
4.8/5
(86)
From a data analyst's point of view, decision support data differ from operational data in three main areas: time span, granularity, and .
(Multiple Choice)
4.9/5
(88)
A data warehouse designer must define common business dimensions that will be used by a data analyst to narrow a search, group information, or describe attributes.
(True/False)
4.9/5
(90)
In a typical star schema, each dimension record is related to thousands of records.
(Multiple Choice)
4.9/5
(82)
The schema must support complex (non-normalized) data representations.
(Multiple Choice)
4.8/5
(72)
Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
(True/False)
4.9/5
(76)
An multidimensional database management systems (MDBMS) uses proprietary techniques to store data in ?n-dimensional arrays.
(Multiple Choice)
4.9/5
(84)
_____ provide a unified, single point of entry for information distribution.
(Multiple Choice)
4.8/5
(83)
A index is based on 0 and 1 bits to represent a given condition.
(Multiple Choice)
4.9/5
(70)
ROLAP and MOLAP vendors are working toward the integration of their respective solutions within a unified decision support framework.
(True/False)
5.0/5
(93)
Business intelligence tools use the data warehouse data as the raw materials for data analytics to generate business knowledge.
(True/False)
4.9/5
(91)
The data warehouse development life cycle differs from classical systems development.
(True/False)
4.8/5
(84)
Showing 21 - 40 of 75
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)