If a password is lost is cannot be ________
Fill in the blank(s) with correct word
recovered
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When RAM is installed, it is held in place by plastic ________
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Consider the following database schema:
Student(StudID,SName,SAddr) Transcript(StudID,DeptCode,CrsNum,Semester,Grade)(a) Write an SQL query that generates a table of the SNames of all students taking courses in the department with DeptCode ?CS?. (b) Give the ?naive? translation of your SQL query into the relational algebra (as given by the general translation of SQL to relational algebra.) (c) Assume that there is an index with search key DeptCode on the transcript table, and no other indexes. Describe carefully and completely how you would evaluate the above query in a most ecient way. Give a precise query plan and carefully describing each operation. (d) Give the relational algebra expression for this query that most closely corresponds to the way you chose (in the previous subproblem) to eciently evaluate this query.
Case-Based Critical Thinking QuestionsCase 11-1Luca is the database administrator for a city parks and recreation department. The department routinely uses community college interns to process applications and registration for the department's programs. It is important that the user interface minimize user input errors as much as possible. Luca wants to be sure that a message appears to the user prompting that an email be sent to all program participants reminding them of the date the program begins when the Paid field in the form is marked paid. What type of structure will Luca use to code an expression that tests the Paid field for an entry?
A. If structure B. Case control structure C. Compare control structure D. If, then structure
In accordance with the Fair Credit Reporting Act ("FCRA"), willful violations of the Act are punishable by a statutory maximum penalty of how much per violation?
A.$500 B.$2,000 C. $2,500 D.There is no limit