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 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 The SQL DELETE statement is used to delete both the table structure and table data. False True False True 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 accomplish both of the above. To ensure that the results are consistent. None of these To save users from having to write an expression. To accomplish both of the above. To ensure that the results are consistent. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A updatable view has its own data. False True False True ANSWER DOWNLOAD EXAMIANS APP