Options: create very different, personalized views of the same data, present information in different formats, hide sensitive information by omitting fields from the subÂ¬schema's description, All of the above
Options: Bill Gates
B. E.F. Codd
C. Herman Hollerith
D. Charles Babbage
Ans:– B ,
Which of the following is true concerning triggers?
Options: You do not create them with SQL., They execute against only some applications that access a database., They have an event, condition, and action., They cannot cascade (cause another trigger to fire).
Options: a. Is determined by the presentation design and cannot be changed b. Is determined by the presentation design but can be changed in PowerPoint c. Is dependent on the amount of text within the organization chart d. b and c