FIGURE PPT 3-1
Referring to Figure PPT 3-1 above, the datasheet on the right-hand side of the window has data in it already. How could one change the data?
A. Click the cell and then type the numbers or text in the Excel window
B. Open up a separate Cell Data dialog box in the Excel window
C. Click the datasheet and import it into PowerPoint, and then enter the data
D. None of the above
Answer: A
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What is the output of the following code segment?
``` for (k = 5; k > 0; k--) { for (i = 0; i < 5-k; i++) cout << '.'; for (j=0; j < 2*k-1; j++) cout << 'B'; cout << endl; } ```
Consider the AIRLINE relational database schema shown in Figure 3.8, which describes a database for airline flight information. Each FLIGHT is identified by a flight NUMBER, and consists of one or more FLIGHT_LEGs with LEG_NUMBERs 1, 2, 3, etc. Each leg has scheduled arrival and departure times and airports, and has many LEG_INSTANCEs--one for each DATE on which the flight travels. FARES are kept for each flight. For each leg instance, SEAT_RESERVATIONs are kept, as is the AIRPLANE used in the leg, and the actual arrival and departure times and airports. An AIRPLANE is identified by an AIRPLANE_ID, and is of a particular AIRPLANE_TYPE. CAN_LAND relates AIRPLANE_TYPEs to the AIRPORTs in which they can land. An AIRPORT is identified by an AIRPORT_CODE. Consider an update for the AIRLINE data
(a) Give the operations for this update. (b) What types of constraints would you expect to check? (c) Which of these constraints are key, entity integrity, and referential integrity constraints and which are not? (d) Specify all the referential integrity constraints on Figure 3.8.
To print a specific portion of a worksheet, you begin by clicking the Print Area button in the:
A) Outline group on the Page Layout tab. B) Outline group on the Data tab. C) Page Setup group on the Page Layout tab. D) Page Setup group on the Data tab.
Excel's ________ visually indicates which workbook cells are included in a formula calculation
Fill in the blank(s) with correct word