Question: B4. List any three errors that you can found in the below data flow diagram. Private Travel Agent D1 - Cost of Tours 2 Determine

B4. List any three errors that you can found in the below data flow diagram. Private Travel Agent D1 - Cost of Tours 2 Determine Tour Desired D2- Travel Brochures Airline Travel Agent Check Credit Tourist 3 Tourist with Charge Card Make Reservations 04. Credit History D3 - Travel Itinerary B5. Write a SQL command to perform the following operations by using this schema: BOOKS(BookID. Book Name, Author, Publisher, ISBN): 1 Use appropriate datatype and size for creating a table "BOOKS" Insert a new row in the BOOKS table with the values ( 101, 'PIS', 'ALI', XYZ 'A123) Change the Author name="Ali Al Farsi" for the BookID=101

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