List the advantages of using datasource?
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what is JDBC?
What are temp tables ?
What is a merge field?
What is the difference between execute, executeQuery, executeUpdate?
Why do I have to reaccess the database for Array, Blob, and Clob data?
What are collection pools?
When you will get error like ?No suitable driver??
Statement, PrepareStatement and Callable all these are interfaces. Thought it is a interface how come we are creating objects and calling methods("preparestatement()") in it. In which class this method is defined. Please let me know. Thanks in advance. example: PreparedStatement pre = con.prepareStatement( "UPDATE COFFEES SET SALES = ? WHERE COF_NAME LIKE ?");
What are the packages are used in jdbc?
How can I get information about foreign keys used in a table?
Explain the JDBC Architecture?
What is DML?
Core Java 
