Which shell variable contains the name of the shell startup file?
What will be an ideal response?
The $ENV shell variable contains the name of the shell startup file (the default filename is
“.profile” if $ENV is not defined).
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Consider a relation schema with attributes ABCGWXYZ and the set of dependencies F = {XZ ? ZYB, YA ? CG, C ? W , B ? G, XZ ? G}. Solve the following problems using the appropriate algorithms.
a. Find a minimal cover for F. b. Is the dependency XZA ? YB implied by F? c. Is the decomposition into XZYAB and YABCGW lossless? d. Is the above decomposition dependency preserving?
What is the difference between a feature phone and a smartphone?
What will be an ideal response?
A(n) _________ observes events as they propagate through the capture, target, and bubble phases, allowing the script to respond to an event within any phase.
Fill in the blank(s) with the appropriate word(s).
A client PC that is responsible for processing presentation logic, extensive application and business rules logic, and many DBMS functions is called a(n):
A) server. B) fat client. C) thin client. D) workstation.