What is the feature of jdbc v4?
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can we create a own jdbc driver? how can we create?
What are the different types of classes in the api component?
Is jdbc open source?
What are the differences between execute, executequery, and executeupdate?
What protocol does jdbc use?
Why prepared statements are faster?
How can we set null value in jdbc preparedstatement?
Explain the locking system in jdbc?
What isolation level is used by the DBMS when inserting, updating and selecting rows from a database?
commit() and rollback() methods are defined in which interface?
What is data source in java?
any one can explain about policy file rule? when i connect database with applet then ther is no compile time error but the run time error is occureed.i.e access is denied.policy file rule is related to this problem.