SQL for Database Construction What is an advantage of placing computations in SQL views? To save users from having to write an expression. None of these To ensure that the results are consistent. To accomplish both of the above. To save users from having to write an expression. None of these To ensure that the results are consistent. To accomplish both of the above. 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 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 SQL views can be used to hide: complicated SQL syntax only. columns and rows only. both of the above can be hidden by an SQL view. None of these complicated SQL syntax only. columns and rows only. both of the above can be hidden by an SQL view. None of these 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. None of these to accomplish both of the above. to simplify a result only. to prevent the display of sensitive data only. None of these to accomplish both of the above. to simplify a result only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which is NOT one of the most common types of SQL CHECK constraints? System date Lists of values Range checks Comparing one column value to another within the same table System date Lists of values Range checks Comparing one column value to another within the same table ANSWER DOWNLOAD EXAMIANS APP
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