This topic contains a solution. Click here to go to the answer

Author Question: Match the following wildcards to their use: I. ? or _ II. or III. IV. charlist V. charlist ... (Read 40 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
Match the following wildcards to their use:
 
  I. ? or _
  II.  or
  III.
  IV. charlist
  V. charlist
 
  A. Any single character
  B. Any single character in a list
  C. Any single digit
  D. Zero or more characters
  E. Any single character not in a list

Question 2

What is a repeating group?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dudman123

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

A, D, C, B, E

Answer to Question 2

When multiple values exist for a single database attributeor field.





 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

For a complete list of videos, visit our video library