How did you normalize the following relation? When the PK is (Room#, Reservation#). Name Phone email Room # Room Type Check Check Room Reservation Card Number Card Туре Actual Card Room Rate In Out rate Expiry Actual Room Rate Card Room Room Type Card Type Name Phone Check in Check Out Room Rate emal Reservation Card Expiry bsm th@y ahoo com 02-15-2019 Bob Sm th 905-566- 6767 121 King Standard 02-18-2019 90 354678 111222333 MC 1222 Jane Doe 416-565- 7340 jdoe@yan 205 00 com King Sute 02-15-2019 02-22-2019 129 119 128734 222333444 MISA 1120 416-555- 8730 johson @gmalc om 121 03-22 2019 00-27-2019 90 984637 333444555 MC 1021 King Standard Johnson Bob Smth 905-565- 8767 bsm th@y ahoo com 125 03-01-2019 03-02-2019 90 89 190328 111222333 MC 1222 King Standard Mary Brown 905-565- 9876 mbown@ hotm ail co 132 07-15-2019 07-22-2019 00 120674 888777686 VISA 0922 King Standard 905-565- 9876 mbrowna hotm al. co 2 Queen Standard 07-15-2019 888777666 133 07-22-2019 109 99 128674 VISA 0922 Mary Brown m Jane Doe 519-565- 3214 jdoety ahoo com 2 Queen Sute 666565444 201 04-01-2019 04-06-2019 135 135 372890 AMEX 0821 B Hats 403-565- 8456 bharnse gmail.com 125 King Standard 01-12-2019 01-15-2019 90 920195 333222111 MC 1120 Room Rate: The room rental price in general depends on its type. Actual room rate: actual price at which it is rented to the customer on a specific reservation.

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Fundamentals of Datawarehouse

A data warehouse is a data repository which is used to store large quantities of historical data that are mostly used for creating reports that help businesses to identify their weaknesses and strengths. For example, demographics data about people of a region can help businesses identify the needs and preferences of the region’s population. A data warehouse acts as a central storage for storing data that comes from one or more heterogenous sources. It also consists of data which can be old and of historical value. One of the most important applications of this type of system is that it is used for supporting business intelligence and data analytics applications.