6. Which of the following is the structure of the Database? a. Table b. Schema c. Relation d. None of these

Topic : Database Systems Please follow the picture form answer these question!   Vis Library is a multi-categories book library that provides a wide range of genres from kids books to special braille books. The customers can read the books on-site or choose a delivery service. As a database designer, they want you to design and implement a database to support their business.  At the initial meeting to discuss the database design, the following requirements were gathered:  A new customer is required to register the account, pick the membership type, and pay the necessary cost. The systems must be able to manage the detailed information of each member. There are two membership types: silver dan gold. This membership is necessary to borrow books and read on the spot. Silver membership can be obtained by showing the id card and filling the registration form without any cost. On the other hand, Rp 20000 registration costs and Rp 10000 monthly costs are needed to get a gold membership. Gold…

What is the main difference between a relation and a regular file?

Write SQL update statements to do the following on the database schema shown in Figure 1.i. Insert a new course, <‘Knowledge Engineering’, ‘CS4390’, 3, ‘CS’>.ii. Delete the record for the student whose name is ‘Smith’ and whose student number is 17.

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…

Which part of the database application is responsible for application user authentication in the database role-based model? Also, which part of the database application is responsible for application user authentication in the application role-based model.

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You have an application domain that consists of Cities, Towns, and Neighborhoods. A City has a name, zip code, state, and a country. A Town has a name, zip code, state, and country. A Neighborhood has a name, coordinate, and population. Using a relational model, what are Students, Courses, and Sections called? Select one: a. Attributes b. Constraints c. Entities d. Relations