The EXPLAIN command generates one row of output for each table involved in a query.
Answer the following statement true (T) or false (F)
True
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Why is it a good programming practice not to have too many layers of inherited classes?
A. Actually the more the merrier. B. Easy to lose track of the members in the great-grandchildren classes. C. so that you know which class’ constructor will execute first. D. None of the above.
Which of the following are used to create multiple-page documents?
A. facing pages B. spreads C. margin settings D. all of the above
?Among the symbols in the accompanying figure, a _____ is a path for data to move from one part of the information system to another.
A. ?data store B. ?data flow C. ?process D. ?gray hole
Fields that contain numbers but will not be used for arithmetic operations usually are assigned a data type of Memo.
Answer the following statement true (T) or false (F)