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 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 SQL has a JOIN ON syntax that can be used to create inner joins and outer joins. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which is NOT one of the most common types of SQL CHECK constraints? 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 System date Lists of values 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 The SQL CHECK constraint is fully defined by the SQL-92 standard, and is consistently implemented by all DBMS vendors. False True False True ANSWER DOWNLOAD EXAMIANS APP