SQL for Database Construction What is an SQL virtual table that is constructed from other tables? Just another table Query results A view A relation Just another table Query results A view A relation ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction To update an SQL view, the DBMS must be able to associate the column(s) to be updated with: a particular column in a particular row. a particular row in a particular underlying table. None of these a particular column in a particular underlying table. a particular column in a particular row. a particular row in a particular underlying table. None of these a particular column in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL DELETE statement is used to delete both the table structure and table data. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an advantage of placing computations in SQL views? To accomplish both of the above. To save users from having to write an expression. To ensure that the results are consistent. None of these To accomplish both of the above. To save users from having to write an expression. To ensure that the results are consistent. None of these ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction A SQL view is a virtual table that is constructed from other tables or views. 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
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