The following three tables make up a simple reservation system for a small campground. The database should allow for a camper to make multiple reservations for future dates and for a camping spot to have several reservations for upcoming visits. Table: Camper CAMPER_NUMBER 1000 1001 1002 1003 CAMPER_LAST_NAME Jones Schmidt Williams Cooper CAMPER_FIRST_NAME Jamie Pat Clifford Amanda CAMPER_ADDRESS 1278 Essex Pl 4954 Spangled Way 956 Segull Lane P. O. Box 998877 CAMPER_CITY Birmingham El Paso Portland Portsmouth CAMPER_STATE AL TX ME OH CAMPER_ZIP_CODE 45251 79919 4108 45662 CAMPER_DRIVERS_LICENSE JJ998743-98 87632434 WIL885123 765A876B897 CAMPER_EMAIL jjones@somewhere.com patwonderfu34l@nowhere.net williams98342@foomail.com coopera@nowhere.net Table: Spot SPOT_NUMBER 101 102 103 104 SPOT_NAME The Pines The Glade Teardrop Spot Tent In Trees SPOT_LENGTH 55 50 20 0 SPOT_PULLTHRU 1 0 0 0 SPOT_ELECTRIC_AMPS 50 50 20 0 SPOT_WATER 1 1 1 1 SPOT_SEWER 1 1 0 0 SPOT_RATE_WEEKDAY 35 33 15 12 SPOT_RATE_WEEKEND 42 42 22 15 Table: Reservation RESV_NUMBER 1 2 3 4 5 RESV_DATE 2015-05-15 2015-05-14 2015-05-14 2015-05-20 2016-06-01 RESV_NIGHTS 2 4 4 1 2 SPOT_NUMBER 101 103 104 101 101 CAMPER_NUMBER 1002 1000 1001 1002 1002 RESV_RATE 84 150 24 35 85 RESV_DEPOSIT 20 25 24 10 0 Add the ends to the relations on the Crows Foot ERD for the campground reservation system.

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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.