SQL for Database Construction What is an SQL virtual table that is constructed from other tables? A relation Just another table A view Query results A relation Just another table A view Query results ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is not an advantage of stored procedures? SQL can be optimized Code sharing Increased network traffic Greater security SQL can be optimized Code sharing Increased network traffic Greater security 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction To update an SQL view, the DBMS must be able to associate the column(s) to be updated with: a particular row in a particular underlying table. a particular column in a particular underlying table. None of these a particular column in a particular row. a particular row in a particular underlying table. a particular column in a particular underlying table. None of these a particular column in a particular row. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A reason for using an SQL view to hide columns is: 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. None of these to accomplish both of the above. ANSWER DOWNLOAD EXAMIANS APP
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