Which function is best used to return a value if an error exists in a cell?
A) IFERROR B) GETERROR C) VALIDATE D) IF
A
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Design a schema for an airline containing the following information.
i. the unique Id and name of each passenger ii. the unique Id, type (possible value A, B, and C) and capacity of each plane iii. the unique Id, date, plane Id, starting location and destination of each flight (a plane cannot be scheduled for more than one flight on any particular day) iv. each reservation made by a passenger on a flight Show all primary and foreign keys.
It is NOT a good idea to substitute spaces in folder and file names with:
A) hyphens. B) CamelCase notation. C) the %20 combination. D) underscores.
Oracle Database is available in both ____-bit and ____-bit versions.
A. 12, 24 B. 24, 48 C. 32, 64 D. 48, 96
Which of the following is NOT an automatic arrangement of multiple open windows?
A) Cascading B) Overlapping C) Side by side D) Stacked