SQL for Database Construction What is an SQL virtual table that is constructed from other tables? Just another table A view A relation Query results Just another table A view A relation Query results ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables. False True False True 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 What is an advantage of placing computations in SQL views? 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. To save users from having to write an expression. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A reason for using an SQL view to hide columns is: to prevent the display of sensitive data only. to simplify a result only. None of these to accomplish both of the above. to prevent the display of sensitive data only. to simplify a result only. None of these to accomplish both of the above. 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
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