SQL for Database Construction A reason for using an SQL view to hide columns is: None of these to accomplish both of the above. to prevent the display of sensitive data only. to simplify a result only. None of these to accomplish both of the above. to prevent the display of sensitive data only. to simplify a result only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views can be used to show the results of computed columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction For what purposes are views used? To hide rows only To hide complicated SQL statements only All of these To hide columns only To hide rows only To hide complicated SQL statements only All of these To hide columns only ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? To save users from having to write an expression. To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. To ensure that the results are consistent. None of these To accomplish both of the above. ANSWER DOWNLOAD EXAMIANS APP
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