Analyze the RDBMSs that you are currently using. What types of relational languages does the system provide? For each of the languages provided, what are the equivalent operations for the eight relational algebra operations defined in Section 5.1?
What will be an ideal response?
This is a small student project, the result of which is dependent on the system analyzed.
However, it is likely that the supported languages will be based around SQL and QBE, in
which case, the student should attempt to map the various SQL clauses to the algebra and
calculus.
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__________ between the external paging device and real memory is a system function and thus is transparent to the user.
a. Roll-in and roll-out b. Swapping pages c. Dynamic address translation d. The premise of this question is false.
To properly secure a database, ________ should be disabled, because they allow users access to the Navigation Pane and the Visual Basic Editor even if these items are hidden from view initially in the database
Fill in the blank(s) with correct word
Saving a PowerPoint presentation in compatibility mode ________
A) saves it as a PowerPoint 97-2003 presentation B) enables other presentation software programs to read and edit the file C) makes it compatible with Word, Adobe Reader, and XPS D) permits it to be opened, but not edited, in PowerPoint 97
To remove a link, select the text box in which you created the link and then click the Remove Link button on the HOME tab.
Answer the following statement true (T) or false (F)