Which of the following data characteristics are important in understanding big data in healthcare? (select all that apply)
- Vagrancy
- Velocity
- Volume
- Variety
- Velocity
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Cascading Style Sheets (CSS) use special Hypertext Markup Language (HTML) tags to globally define font characteristics for a variety of page elements as well as how those elements are laid out on a Web page.
Answer the following statement true (T) or false (F)
Consider the COMPANY database described in Figure 3.6. Using the syntax of Oracle triggers, write active rules to do the following:
(a) Whenever an employee’s project assignments are changed, check if the total hours per week spent on the employee’s projects are less than 30 or greater than 40; if so, notify the employee’s direct supervisor. (b) Whenever an EMPLOYEE is deleted, delete the PROJECT tuples and DEPENDENT tuples related to that employee, and if the employee is managing a department or supervising any employees, set the MGRSSN for that department to null and set the SUPERSSN for those employees to null.
A ________ provides multiple ports for connecting nodes.
A. hub B. repeater C. bridge D. gateway
A web application accesses information in a database to retrieve user information. What is the web application acting as?
A. A subject B. An object C. A user D. A token