Sum, Avg, and Count are examples of ________ functions
Fill in the blank(s) with correct word
aggregate
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The correct order of precedence from highest to lowest is:
A. ++ * + < && = B. ++ * + > && == C. && < ++ < * ! D. ++ ( ) * + < =
Include the ethereal data of the first three DHCP packets that are exchanged between PC3 and PC2.
What will be an ideal response?
When initially backing up your system it is a good idea to create a(n) ________ backup first
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Consider the LIBRARY relational database schema of Figure 4.6. Choose the appropriate action (reject, cascade, set to null, set to default) for each referential integrity constraint, both for the deletion of a referenced tuple, and for the update of a primary key attribute value in a referenced tuple. Justify your choices.
What will be an ideal response?