A ________ value is a special field value, distinct from a zero, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown

A) Key
B) True
C) Null
D) Default

C

Business

You might also like to view...

Using a list can be more effective than conventional sentences and paragraphs because lists allow the writer to do what?

A) Slow down the reading process B) Minimize the impact of controversial information C) Require careful review of key points D) Increase the depth of the document E) Simplify complex subjects

Business

Which of the following is not part of the manager's role in the change process, according to Beer et al.?

a. mobilize commitment to change through joint diagnosis of business problems b. announce your personal vision for the change along with your implementation plan c. institutionalize revitalization through formal policies, systems, and structures d. monitor and adjust strategies in response to problems in the change process e. spread revitalization to all departments without pushing it from the top

Business