CH. 6 T/F
1) A grouping of characters into a word, a group of words, or a complete number is called a record.
Answer: FALSE
12) A data warehouse is typically comprised of several smaller data marts.
Answer: FALSE
14) OLAP enables users to obtain online answers to ad-hoc questions in a fairly rapid amount of time, except when the data are stored in very large databases.
Answer: FALSE
17) The disadvantage of using a Web interface for a database is that it typically requires substantial changes to the internal database.
Answer: FALSE
8) Because HTML was designed as a cross-platform language, it is the preferred method of communicating with back-end databases.
Answer: FALSE
9) A data dictionary is a language associated with a database management system that end users and programmers use to manipulate data in the database.
Answer: FALSE
13) OLAP is used for multidimensional data analysis.
Answer: TRUE
19) Data administration is a special organizational function that manages the policies and procedures through which data can be managed as an organizational resource.
Answer: TRUE
10) In a relational database, complex groupings of data must be streamlined to eliminate awkward many-to-many relationships.
Answer: TRUE
11) A data warehouse may be updated by a legacy system.
Answer: TRUE
15) With in-memory computing, a computer's primary memory (RAM) is used for processing.
Answer: TRUE
16) In a Web-based database, middleware is used to transfer information from the organization's internal database back to the Web server for delivery in the form of a Web page to the user.
Answer: TRUE
18) Common Gateway Interface is a specification for processing data on a Web server.
Answer: TRUE
2) Each characteristic or quality describing a particular entity is called an attribute.
Answer: TRUE
20) Data cleansing is the same process as data scrubbing.
Answer: TRUE
3) Program-data dependence refers to the coupling of data stored in files and software programs that use this data such that changes in programs require changes to the data.
Answer: TRUE
4) A DBMS separates the logical and physical views of data.
Answer: TRUE
5) Every record in a file should contain at least one key field.
Answer: TRUE
6) NoSQL technologies are used to manage sets of data that don't require the flexibility of tables and relations.
Answer: TRUE
7) Data governance deals with the policies and processes for managing the integrity and security of data in a firm.
Answer: TRUE
