SQL for Database Construction Which of the following is an SQL trigger supported by Oracle? AFTER All of these BEFORE INSTEAD OF AFTER All of these BEFORE INSTEAD OF ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL Server does not support the BEFORE trigger. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL statements can be embedded in triggers, stored procedures, and program code. True False True False 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: None of these a particular row in a particular underlying table. a particular column in a particular row. a particular column in a particular underlying table. None of these a particular row in a particular underlying table. a particular column in a particular row. a particular column in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL views can be used to hide: None of these columns and rows only. complicated SQL syntax only. both of the above can be hidden by an SQL view. None of these columns and rows only. complicated SQL syntax only. both of the above can be hidden by an SQL view. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. ANSWER DOWNLOAD EXAMIANS APP
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