Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- calculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: Flight Dir float: def ) -> """ Return a float corresponding to the amount of time required to travel from the source airport to the destination airport to the destination airport, as outlined by the flight_walk. The start time of the trip should be considered zero. In other words, assuming we start the trip at 12:00am, this function should return the time it takes for the trip to finish, including all the waiting times before, and between the flights. If there is no path available, return -1.0 >>> calculate_trip_time("AA1", "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_ 2.0 "AA7", ["AA7", "AA1"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_ "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DI "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DI >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_ 2.0 || || || >>>…arrow_forwardYou should use an Oracle function to determine the number of days since your birthday.arrow_forwardIn cell C6, enter a formula that multiplies the value in C5 for the month of January by the value in cell B6. Use a mixed reference for the cell B6 so that only column B does not change when copied. Use relative reference for all other cell referencesarrow_forward
- Based on the table below, what values would appear in the range D3:F5 when the contents of C3:C5 are autofilled rightward towards column F? 1 2 3 4 5 A Blank # 1 Blank # 2 Blank #3 Blank # 4 Blank # 5 Blank # 6 Blank # 7 Blank # 8 Blank # 9 8 Initial Values C3=C$2*3 C4=$C2*3 C5=$C$2*3 C 1 3 3 3 D 2 Blank # 1 Blank # 4 Blank #7 E 3 Blank # 2 Blank # 5 Blank # 8 4 Blank # 3 Blank # 6 Blank # 9 A/ F A A/ A N A 신 A A/arrow_forwardWhich of the following options represent a function that is entered in the highlighted cells to return the total value for a given item (AAA) and size (S)? A B 9 UNIT SOLD Size SOLD Price ($) 10 AAA 45 10 11 BBB M 21 20 12 AAA S 20 65 13 BBB M 41 40 14 15 Item Size TOTAL_Value 16 AAA 1750 a) =SUMPRODUCT((A10:A13=A16),(B10:B13=B16),C10:C13,D10:D13) O b) =SUMPRODUCT((A10:A13=A16)*(B10:B13=B16)+C10:C13,D10:D13) O c) =SUMPRODUCT((A10:A13=A16)*(B10:B13=B16)*C10:C13) d) =SUMPRODUCT((A10:A13=A16)*(B10:B13=B16)*C10:C13,D10:D13)arrow_forwardMinimize the following DFA: 0 1 →90 q1 90 91 qo 92 92 93 91 *q3 93 90 94 93 95 95 96 q4 96 95 96 q7 96 q3 Hint: Use the "table filling method" for minimizing your DFA (if needed).arrow_forward
- (1) Prompt the user for a title for data. Output the title. Ex: Enter a title for the data: Number of Novels Authored You entered: Number of Novels Authored (2) Prompt the user for the headers of two columns of a table. Output the column headers. Ex: Enter the column 1 header: Author name You entered: Author name Enter the column 2 header: Number of novels You entered: Number of novels (3) Prompt the user for data points. Data points must be in this format: string, int. Store the information before the comma into a string variable and the information after the comma into an integer. The user will enter -1 when they have finished entering data points. Output the data points. Store the string components of the data points in an ArrayList of strings. Store the integer components of the data points in a second ArrayList of integers. Ex: Enter a data point (-1 to stop input): Jane Austen, 6 Data string: Jane Austen Data integer: 6 (4) Perform error checking for the data point entries. If…arrow_forwardWhen you don’t know the specific value to include in the criteria, you use a ____. a. limited query b. unfilled query c. tagged query d. parameter queryarrow_forward
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