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A vendor builds multiple types of tablet computers. Each hs a type identification number and a name. The key specifications for each type include amount of storage and display type. The company uses multiple processor types, exactly one of which is used for a specific tablet type. The same processor can be used in multiple types of tablets. Each processor has a manufacturer and a manufacturer's unique code that identifies it.
perform the following tasks:
1. Identify the degree and cardinalities of the relationship.2. Express the relationships graphically with an E-R diagram.
The library System stores 3 type of informations: Users ( USID, USNAME, USMob, USEmail, USDept,USStartDate, NofBooks). Create the library database schema Structure.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
The relations given below keep track of airline flight information:Flights(flno: integer, from: string, to: string, distance:integer, departs: time, arrives: time, price: real)Aircraft(aid: integer, aflame: string, cruisingrange: integer)
Over 70% of web applications use database to store persistent data. Write some of the problems and issues associated with internet databases?
What is the key value of the 4th index record on the top level, assuming each index record points to the record with the highest key value in a block of the next level down?
Write down your subquery MAX_CALC_SAL. Name columns in result JOB_TITLE and JOB_TOTAL, and sort result on JOB_TOTAL in descending order.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
creating database structure using SQL
Suppose that the security model is required for protection of information in class. Using NSTISSC model, analyze each of cells (i.e. 27 cells related with McCumber model).
Draw an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
Assume that data warehouse consists of three dimensions time, customer, and cell phone plan, and two measures number of calls and cell phone bill. Sketch a schema diagram for above data warehouse using star schema.
Construct a diagram using Rationale to map the arguments about a moral claim that you have identified in the article/case study and write an essay, which maps closely to the Rationale diagram that you constructed.
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