What are some of the many ways that company may need to access data? + What are the pros and cons of using a social security number as a primary key? What are some good alternatives? + How big an impact, on your design considerations in general, is it to need a sorted file only periodically (for a directory, for example)?

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Which statement is true of web-based social media? a. they allow consumers to interact with and update content. b. they cannot be updated easily, as compared to print media. c. they are expensive to produce and maintain, as compared to print and television. d. they can exist independent of the internet.

Helen is having a meeting with her colleagues in her company. they are working on the goals and objectives for the coming year. they want to ensure that these goals and objectives of the processes involved are properly evaluated. which system can helen and her colleagues apply to evaluate this? helen and her colleagues require a blank to evaluate the goals and objectives.