Data source implementations provided by different vendors and project – McqOptions

MCQOPTIONS

1.	Data source implementations provided by different vendors and projects.
A.	C3PO
B.	Apache Commons DBCP
C.	All of the mentioned
D.	None of the mentioned
Answer» D. None of the mentioned

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Data source implementations provided by different vendors and projects.
Standard interface defined by the JDBC specification that factories Connection instances.
To access the database with JDBC:-
The general purpose of the Data Access Object (DAO) pattern is to avoid these logic related problems by separating data access logic from business logic and presentation logic.
JDBC Properties for Connecting to the Application Database.
THE_GENERAL_PURPOSE_OF_THE_DATA_ACCESS_OBJECT_(DAO)_PATTERN_IS_TO_AVOID_THESE_LOGIC_RELATED_PROBLEMS_BY_SEPARATING_DATA_ACCESS_LOGIC_FROM_BUSINESS_LOGIC_AND_PRESENTATION_LOGIC.?$
Standard interface defined by the JDBC specification that factories Connection instances.$
To_access_the_database_with_JDBC:-$
Which DataSource is not stable in MultiThreaded Environment?
SingleConnectionDataSource (a DriverManagerDataSource subclass). As its name indicates, this maintains only a single connection.