SQL for Database Construction A reason for using an SQL view to hide columns is: to accomplish both of the above. None of these to prevent the display of sensitive data only. to simplify a result only. to accomplish both of the above. None of these to prevent the display of sensitive data only. to simplify a result only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: change the table structure. delete rows from the table. change the table data. add rows to the table. change the table structure. delete rows from the table. change the table data. add rows to the table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an SQL virtual table that is constructed from other tables? A view Query results Just another table A relation A view Query results Just another table A relation 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 What is an advantage of placing computations in SQL views? To save users from having to write an expression. To accomplish both of the above. None of these To ensure that the results are consistent. To save users from having to write an expression. To accomplish both of the above. None of these To ensure that the results are consistent. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views can be used to show the results of computed columns. True False True False ANSWER DOWNLOAD EXAMIANS APP
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