A(n) ________ rule limits the type of data a user can enter into a field
Fill in the blank(s) with correct word
validation
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In a DTD, a ____ symbol specifies the number of occurrences of each element.
A. specifying B. quantifier C. count D. modifying
Using a correlated sub-query, display course name, course number and the average capacity of all sections of each course, rounded to 4 decimal places, where students are enrolled, and the average capacity is less than 25 . Use a column alias of AVERAGE_CAPACITY to represent the number.
What will be an ideal response?
What type of network uses the CSMA/CD access method?
A) ARCnet B) Ring C) Ethernet D) Crosstalk
Knowledge workers use specialized information systems, called KWSs, to create information in their area of expertise.
Answer the following statement true (T) or false (F)