You would use Query by Example, if _____. a. you wish to use a visual approach to

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Question:

You would use Query by Example, if _____.

a. you wish to use a visual approach to query building

b. you use a template for reports

c. wish teach SQL with examples

d. you build a query from an example

If "color" is an attribute, then "green" is a data item.

a. True

b. False

After entering data into a relational database, users can make all of the following basic data manipulations except:

a. organizing

b. selecting

c. projecting

d. joining

Organizations can collect many types of data from a wide variety of sources, but typically they only collect structured data that fits neatly into traditional relational database management systems.

a. True

b. False

Kyle works for National Sporting Goods, where he manages critical data elements, such as identifying and acquiring new data sources, creating consistent reference data, and analyzing data for quality. Kyle is a _______.

a. data steward

b. database administrator

c. data manager

d. data administrator

A relational model splits the information up into many two dimensional data structures.

a. True

b. False

For the ____ operation, it is required that the the two tables have a common attribute.

a. select

b. delete

c. project

d. join

DBMSs are used primarily for modeling data.

a. True

b. False

One of the final steps in installing and using a large database involves “telling” the database management system (DBMS) the logical and physical structure of the data and the relationships among the data for each user.

a. True

b. False