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
SQL for Database Construction What SQL structure is used to limit column values of a table? None of these The LIMIT constraint The VALUE constraint The CHECK constraint None of these The LIMIT constraint The VALUE constraint The CHECK constraint ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A view that contains a computed column can be easily updated. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: delete rows from the table. add rows to the table. change the table data. change the table structure. delete rows from the table. add rows to the table. change the table data. change the table structure. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL statement used to create a view is CREATE VIEW. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which of the following is an SQL trigger supported by Oracle? All of these BEFORE INSTEAD OF AFTER All of these BEFORE INSTEAD OF AFTER ANSWER DOWNLOAD EXAMIANS APP
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