SQL for Database Construction A reason for using an SQL view to hide columns is: 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. to prevent the display of sensitive data only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL command to create a table is: ALTER TABLE MAKE TABLE CREATE TABLE DEFINE TABLE ALTER TABLE MAKE TABLE CREATE TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain: WHERE GROUP BY FROM ORDER BY WHERE GROUP BY FROM ORDER BY ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which of the following is an SQL trigger supported by Oracle? BEFORE AFTER All of these INSTEAD OF BEFORE AFTER All of these INSTEAD OF ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction For what purposes are views used? To hide rows only To hide columns only To hide complicated SQL statements only All of these To hide rows only To hide columns only To hide complicated SQL statements only All of these ANSWER DOWNLOAD EXAMIANS APP