SQL for Database Construction Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The DROP TABLE statement: works whether or not referential integrity constraints would be violated. is not an SQL statement. deletes the table structure along with the table data. deletes the table structure only. works whether or not referential integrity constraints would be violated. is not an SQL statement. deletes the table structure along with the table data. 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 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 underlying table. a particular column in a particular row. None of these a particular row in a particular underlying table. a particular column in a particular underlying table. a particular column in a particular row. None of these a particular row in a particular underlying table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What is an SQL virtual table that is constructed from other tables? Query results Just another table A view A relation Query results Just another table A view A relation ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Common types of SQL CHECK constraints include range checks and limiting columns values. False True False True ANSWER DOWNLOAD EXAMIANS APP
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