Is the status bar Fit slide to current window button
Indicate whether the statement is true or false
TRUE
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Answer the following questions with reference to how the ER model in Figure 17.13 maps to relational tables.
The ER diagram in Figure 17.13 shows only entities and primary key attributes. The absence of recognisable named entities or relationships is to emphasize the rule-based nature of the mapping rules described in Step 2.1 of logical database design.
(a) How many relations will represent the ER model?
(b) How many foreign primary keys are mapped to the relation representing X?
(c) Which relation(s) will have no foreign key?
(d) Using only the letter identifier for each entity, provide appropriate names for the relations mapped from the ER model.
(e) If the cardinality for each relationship is changed to one-to-one with total participation for all entities; how many relations would be derived from this version of the ER model?
Pressing what key or key combination will move you to the beginning of a document?
A) Home B) Shift & Home C) Ctrl & Home D) Alt & Home
Which of the following is not displayed in Print Layout view?
A) Outline levels B) Headers and Footers C) Margins D) Graphics
A Web ____ is a computer that stores Web documents and makes them available to users over the Internet.
A. client B. baseline C. server D. broadband