Q7. The command used to change contents of one database using the contents of another database by linking them it aptitude test questions and answers on a common key field is called _____ (a) Replace (b) Join (c) Change (d) Update Q8. What is the true for the complete bipartite graphs K(3, 3) and K(2, 4)? (a) Both are planar (b) Neither is planar (c) Both are isomorphic (d) None of these Q9. The POS data entry system is used most extensively by (a) Banking industry (b) Grocery industry (c) Railroad industry (d) Word-processing industry
Practice Exercise - 243 [ IT Aptitude ]
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