What is DataAccessException ?

• DataAccessException is an RuntimeException (unchecked). The user is not forced to handle these kinds of exceptions.
• This exception is used to handle the errors occurring when the details of the database access API in use, such as JDBC.
• Exception class related to all the exceptions that are thrown in spring applications.
• The spring’s DAO class does not throw any technology related exceptions such as SQLException.
  They throw exceptions which are subclasses of DataAccessException.