Examlex
When you create an index whose key has a single field, you have created what is called a single-column index.
Q2: The occupational health nurse suggests that an
Q5: Which factor can mitigate the problems of
Q6: Laboratory technologists must not only keep themselves
Q11: _ means creating groups of records that
Q13: Which of the following factors may lead
Q20: A mother and her son are in
Q35: What is a potential problem, if any,
Q41: You can combine values in character fields
Q56: How many lines of output are produced
Q75: If an entity represented in a supertype