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
SQL for Database Construction If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain: ORDER BY GROUP BY FROM WHERE ORDER BY GROUP BY FROM WHERE 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. None of these To accomplish both of the above. To ensure that the results are consistent. To save users from having to write an expression. None of these To accomplish both of the above. To ensure that the results are consistent. 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 The SQL DELETE statement is used to delete both the table structure and table data. True False True False ANSWER DOWNLOAD EXAMIANS APP