A __________ is a column (or columns) that uniquely identifies each row of data in a database.

a. selector
b. main key
c. identifier
d. primary key

d. primary key

Computer Science & Information Technology

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MC Choose the text_wrap option that splits the text across multiple lines at the word location where the text becomes too long for the component.

a) CHAR. b) WRAP. c) NONE. d) None of the above

Computer Science & Information Technology

When you specify a foreign key, the table containing the foreign key is the parent.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology