Abank has three types of accounts: checking, savings, and loan. following are the attributes for each type of account: checking: acct no, date opened, balance, service charge savings: acct no, date opened, balance, interest rate loan: acct no, date opened, balance, interest rate, payment assume that each bank account must be a member of exactly one of these subtypes. using generalization, develop an eer model segment to represent this situation using the traditional eer notation, the visio notation, or the subtypes and supertypes notation, as specified by your instructor. remember to include a subtype discriminator.

Which of the following methods could be considered a “best practice” in terms of informing respondents how their answers to an on-line survey about personal information will be protected? the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents’ ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed. respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured. the investigator uses the informed consent process to explain her institution’s method for guaranteeing absolute confidentiality of research data. respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member’s office.