Discuss the differences between DDL and DML? What operations would you typically expect to be available in each language?
What will be an ideal response?
DDL - A language that allows the DBA or user to describe and name the entities, attributes,
and relationships required for the application, together with any associated integrity and
security constraints.
DML - A language that provides a set of operations to support the basic data manipulation
operations on the data held in the database.
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Identify the letter of the choice that best matches the phrase or definition.
A. A collection of computer servers B. A quick-start installation technology C. Streams Office to Windows 7- and Windows 8-based PCs D. Enables business people to access Outlook information from anywhere at any time E. Ensures the original and backup computer files in two or more locations are identical F. Allows two or more people to share text messages G. Delivers support for full high-definition videoconferencing H. Track important dates I. Track team tasks according to who is responsible for completion J. Share contact lists of employees, customers, contractors, and suppliers
In computer programming a switch typically has what values:
a. A switch can be on or off b. A switch can be set to 0 or 1 c. A switch can be true or false d. All of the above. e. None of the above.
The Z-axis represents the ____.
A. height B. depth C. width D. dimension
CMSs are popular in large part because of their ease of use.
Answer the following statement true (T) or false (F)