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 For what purposes are views used? To hide columns only To hide complicated SQL statements only To hide rows only All of these To hide columns only To hide complicated SQL statements only To hide rows only All of these ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A reason for using an SQL view to hide columns is: to accomplish both of the above. to simplify a result only. None of these to prevent the display of sensitive data only. to accomplish both of the above. to simplify a result only. None of these to prevent the display of sensitive data only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL Server does not support the BEFORE trigger. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? None of these To save users from having to write an expression. To ensure that the results are consistent. To accomplish both of the above. None of these To save users from having to write an expression. To ensure that the results are consistent. To accomplish both of the above. 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