SQL for Database Construction What is an SQL virtual table that is constructed from other tables? A view Query results A relation Just another table A view Query results A relation Just another table ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The DROP TABLE statement: is not an SQL statement. deletes the table structure along with the table data. works whether or not referential integrity constraints would be violated. deletes the table structure only. is not an SQL statement. deletes the table structure along with the table data. works whether or not referential integrity constraints would be violated. deletes the table structure 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: change the table data. add rows to the table. delete rows from the table. change the table structure. change the table data. add rows to the table. delete rows from the table. change the table structure. 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
SQL for Database Construction A view that contains a computed column can be easily updated. False True False True ANSWER DOWNLOAD EXAMIANS APP