SQL for Database Construction There are three SQL data modification operations: insert, modify and delete. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Three types of triggers are: BEFORE, AFTER and EXCEPTION. True False True False 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 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 What is an advantage of placing computations in SQL views? To ensure that the results are consistent. To accomplish both of the above. None of these To save users from having to write an expression. To ensure that the results are consistent. To accomplish both of the above. None of these To save users from having to write an expression. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction SQL has a JOIN ON syntax that can be used to create inner joins and outer joins. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS