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	Which statement is CORRECT?	An array is an unordered collection which can contain duplicates.	incorrect	A list is an ordered collection which cannot contain duplicates.	incorrect	A set is an ordered collection with no duplicates.	incorrect	A bag is an unordered collection which may contain duplicates.	correct	
MC	Which data type can be used to store image data?	BLOB	correct	DBCLOB	incorrect	None of these types	incorrect	CLOB	incorrect	
MC	Which data type can be used to store image data?	DBCLOB	incorrect	CLOB	incorrect	None of these types	incorrect	BLOB	correct	
MC	Which statement is CORRECT?	A bag is an unordered collection which may contain duplicates.	correct	A list is an ordered collection which cannot contain duplicates.	incorrect	A set is an ordered collection with no duplicates.	incorrect	An array is an unordered collection which can contain duplicates.	incorrect	
MC	Which statement is CORRECT?	A bag is an unordered collection which may contain duplicates.	correct	A list is an ordered collection which cannot contain duplicates.	incorrect	An array is an unordered collection which can contain duplicates.	incorrect	A set is an ordered collection with no duplicates.	incorrect	
MC	Which of the following is not an advantage of triggers?	Triggers allow to model extra semantics and/or integrity rules without changing the user front-end or application code.	incorrect	Triggers support automatic monitoring and verification in case of specific events or situations.	incorrect	Triggers allows to perform synchronic updates in case of data replication.	incorrect	Triggers allow to avoid deadlock situations.  	correct	
MC	Which of the following is not an advantage of triggers?	Triggers allow to avoid deadlock situations.  	correct	Triggers allow to model extra semantics and/or integrity rules without changing the user front-end or application code.	incorrect	Triggers support automatic monitoring and verification in case of specific events or situations.	incorrect	Triggers allows to perform synchronic updates in case of data replication.	incorrect	
MC	Which of the following is not an advantage of triggers?	Triggers allow to model extra semantics and/or integrity rules without changing the user front-end or application code.	incorrect	Triggers support automatic monitoring and verification in case of specific events or situations.	incorrect	Triggers allow to avoid deadlock situations.  	correct	Triggers allows to perform synchronic updates in case of data replication.	incorrect	
MC	Which data type can be used to store image data?	None of these types	incorrect	BLOB	correct	CLOB	incorrect	DBCLOB	incorrect