MC	In the industry, ORDBMSs have...	been very successful since they replaced RDBMSs as the mainstream database technology.	incorrect	have had modest success with most companies only implementing a carefully selected set of extensions.  	correct	have not been successful at all.	incorrect	
MC	An ORDBMS will typically support inheritance...	only at data type level	incorrect	only at table type level	incorrect	only at a tuple level	incorrect	both at data type and table type level	correct	
MC	Which data type can be used to store image data?	CLOB	incorrect	None of these types	incorrect	BLOB	correct	DBCLOB	incorrect	
MC	Recursive queries are a powerful SQL extension which allow to formulate complex queries such as...	queries that have multiple subqueries.	incorrect	queries that need to get access to multimedia data.	incorrect	queries that need to combine data from multiple tables.	incorrect	queries that need to navigate through a hierarchy of tuples.	correct	
MC	Which statement is CORRECT?	A distinct data type is a user-defined data type which specializes a standard, built-in SQL data type.	incorrect	An opaque data type is an entirely new, user-defined data type, which is not based upon any existing SQL data type.	incorrect	An unnamed row type allows to include a composite data type in a table by using the keyword ROW.	incorrect	A named row type is a user-defined data type which groups a coherent set of data types into a new composite data type and assigns a meaningful name to it.  	incorrect	All statements are correct	correct	
MC	Which statement is CORRECT?	User Defined Functions (UDFs) can only be defined in SQL.	incorrect	A sourced function is a UDF which is based on an existing, built-in function.	correct	User Defined Functions (UDFs) must be stored in the application, and not in the catalog.  	incorrect	User Defined Functions (UDFs) can only work on user-defined data types.	incorrect	
MC	Which statement is CORRECT?	Recursive queries are a powerful SQL extension which allow to formulate complex queries such as queries that need to get access to multimedia data.	incorrect	A distinct data type in ORDBMSs is a user-defined data type that specializes a standard, built-in SQL data type.	correct	User Defined Functions (UDFs) must be stored in the application, and not in the catalog.  	incorrect	A set is an ordered collection with no duplicates.	incorrect	
MC	Which statement is NOT CORRECT?	A distinct data type in ORDBMSs is a user-defined data type that specializes a standard, built-in SQL data type.	incorrect	An ORDBMS will typically support inheritance both at data type and table type level.	incorrect	A sourced function is a UDF which is based on an existing, built-in function.	incorrect	In the industry, ORDBMSs have been very successful since they replaced RDBMSs as the mainstream database technology.	correct	
MC	Recursive queries are a powerful SQL extension which allow to formulate complex queries such as...	queries that have multiple subqueries.	incorrect	queries that need to get access to multimedia data.	incorrect	queries that need to combine data from multiple tables.	incorrect	queries that need to navigate through a hierarchy of tuples.	correct	
MC	The key difference between stored procedures and triggers is that:	Stored procedures cannot have input variables whereas triggers can.	incorrect	Stored procedures are more difficult to debug than triggers.  	incorrect	Stored procedures are explicitly invoked whereas triggers are implicitly invoked.	correct	Stored procedures are stored in the data catalog, whereas triggers are not.  	incorrect