If you are sorting records by more than one field,the more important field is called the ____.
A) primary sort key
B) secondary sort key
C) maximum sort key
D) minor sort key
Correct Answer:
Verified
Q17: Rows are also called _.
A) fields
B) columns
C)
Q18: A relation is a(n)_.
A) attribute
B) column
C) field
D)
Q19: A relational database handles entities,attributes,and relationships by
Q20: The comparison operators are +,*,%,and /.
Q23: When a structure satisfies all the properties
Q24: The _ command within relational algebra includes
Q25: The compound criteria (conditions)are created by using
Q26: A query that changes data is a(n)_
Q27: You can restrict the output from a
Q28: Which operation will allow you to extract
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