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(OwnerLastName‚ OwnerFirstName‚ OwnerPhone‚ OwnerEmail) SERVICE (ServiceID‚ Service‚ Date‚ Charge‚ PetID) 13) Relationships are represented by storing the key values such as pet id and owner phone number in second table column. 14) User‚ database application ‚ DBMS‚ and database 15) A self-describing collection of related tables. 16) It’s important to self-describing the data base because this is the way to know the database structure and content. 17) User data‚ metadata‚ indexes and other overhead data. 18)
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of the relational database management system System R are discussed. 3) Discuss the types of privileges at the account level and those at the relation level. Ans: The concept of an authorization identifier is used to refer‚ to a user account. The DBMS must provide selective access to each relation in the database based on specific accounts. There are two levels for assigning privileges to use the database system: l. The account level: At this level‚ the DBA specifies the particular privileges that
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1.0 Background Public Bank is currently the largest domestic bank in Malaysia by shareholders’ funds. It is well-known in 1966 by its founder and chairman‚ Tan Sri Dato Sri Dr Teh Hong Piow. The bank was planned on the Malaysia Stock Exchange in 1967. The Public Bank Group employs more than 14‚000 people‚ with in Hong Kong and China‚ Cambodia‚ Vietnam‚ Laos and Sri Lanka. Public Bank is one of the most competent banks as reflected by its low cost to revenue ratio in Malaysia. The Public Bank Group
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frequency ranges include in the following frequency subdivision: MF ‚HF‚ VHF‚ UHF‚SHF? MF= 300 kHz-3MHz HF= 3-30MHz VHF= 30-300MHz UHF=300 MHz-3GHz SHF= 3-30 GHz 9. Convert the following powers to their dbm equivalents: (a) p=1W (30 dbm 0 (b) p= 0.001 W (0 dbm) (c) p=0.0001 w (-10 dbm) (d) p=25uW (-16 dbm) 15. Define electrical noise‚ and explain why it is so troublesome to a communications receiver. Electrical noise may be define as any undesired voltages or currents that ultimately end
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7. The only way to access the data in a database is through the DBMS. ANS: T PTS: 1 REF: 7 8. Database programming languages receive all application requests and translate them into the complex operations required to fulfill those requests. ANS: F PTS: 1 REF: 7 9. The DBMS reveals much of the database’s internal complexity to the application programs and users. ANS: F PTS: 1 REF: 7 10. One disadvantage of the DBMS is that it increases the risk of data security breaches. ANS:
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Individual Case Assignment: Harrah’s Entertainment‚ Inc. 1. What are the objectives of the various Database marketing (DBM) programs and are they working? There are two main overall objectives of Harrah’s Database marketing (DBM) programs. First‚ Harrah’s strived to build‚ increase and retain customers’ loyalty to their brand‚ similar to the way people tend to be loyal to their mechanic or hair dresser. The strategy to achieve this goal was to ensure that they crafted and sustained a relationship
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System (DBMS) is the software system that allows users to define‚ create and maintain a database and provides controlled access to the data provided by your database administrator(s). DBMS is an intermediate layer between programs and the data. Programs access the DBMS‚ which then accesses the data. There are different types of DBMS ranging from small systems that run on personal computers‚ corporation window servers‚ large mainframes‚ etc. Let’s look at some of the benefits from have a DBMS. 1) Controlling
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description of this data)‚ designed to meet the organization needs of an organization The Database Management System (DBMS) - software that enables users to define‚ create and maintain the database and provides controlled access to the database Why We Need DBMS There is an information explosion in today’s society – Need to keep accurate records Advantages of using a DBMS fall into three main categories: – – – Proper maintenance of the data Providing access to the data Maintaining
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For this week ’s paper I have chosen to do a comparison between IBM ’s DB2 database management system (DBMS) product and Oracle. Realistically‚ making such a comparison is akin to discussing religion with friends. Each person will have their own biases based on their own experiences. Looking for an unbiased opinion is much like looking for the Holy Grail‚ every bit as speculative and subjective with the results jaundiced by the outlook of the reporter (Lim‚ 2002). A decision between DB2 and Oracle
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