Updating and retrieving data from java servlet to sql database Thaie sex vedio


30-Jul-2017 16:06

The naming convention is to use the same name as the persistent (POJO) class name.

For example Account.class will have a mapping file named xml.

Hibernate is not database dependent where as JDBC is database dependent.

Query tuning is not needed for hibernate as JDBC is needed.

Ans: Mapping of classes can be made into a proxy instead of a table.

A proxy is returned when actually a load is called on a session. The proxy is created by default by Hibernate, for mapping a class to a file.

The code to invoke JDBC is contained in this class.12. Ans: Lazy fetching is associated with child objects loading for its parents.

The sorting occurs in the memory of JVM which running Hibernate, after the data being read from database using java comparator.

" Mapping files (*xml): These files are used to map persistent objects to a relational database.



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