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The InstantRide User Satisfaction team requires the average and maximum number of rides users have taken so far with InstantRide. In addition, they would like to know the total number of travels. However, they need these details with the corresponding column names Average, Maximum and Total by using the AVG, MAX and SUM functions. In order to accomplish this, you will first need to create a derived table from the TRAVELS table to pass the TRAVEL_ID count to the three mathematical functions.

Task 19: List every table that you have created thus far. Display the TABLE_SCHEMA and TABLE_NAME columns. Task 20: List every column in the ITEM table and its associated data type.

In MySQL please: The Question: Create a trigger named trg_char_hours that automatically updates the AIRCRAFT table when a new CHARTER row is added. Use the CHARTER table’s CHAR_HOURS_FLOWN to update the AIRCRAFT table’s AC_TTAF, AC_TTEL, and AC_TTER values. (Hint: use temp values, as the INSERT event does not accept the OLD keyword.)

Which of the following is the valid syntax for creating a VIEW to view a subset of a table?     CREATE VIEW USA_customersASSELECT *FROM customerWHERE country = 'USA'; CREATE VIEW USA_customersSELECT *FROM customerWHERE country = 'USA'; CREATE VIEW USA_customersAS customerWHERE country = 'USA'; CREATE VIEW USA_customersAS customerSELECT *WHERE country = 'USA';

Create a new query in Design View that is based on the tblCoach and tblLevel table Add the LevelName field from the tblLevel table to the query design. Add the CoachFirst, CoachLast, BGCExp, and CertificationExp fields, in that order, from the tblCoach table. Use qryCoachBGCExpirations to save query. Add criteria to the BGCExp field to select records with BGCExp dates that occur on or before 12/31/2019. Save and run the query, and then close it.