If iam using JDBC API, do I also have to use ODBC?

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Can I set up a connection pool with multiple user IDs? The single ID we are forced to use causes problems when debugging the DBMS.

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What is JDBC API and when do we use it?

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What is the difference between Union, Unionall ?

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What are the jdbc drivers in java?

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Explain in detail about JDBC and its general features?

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How we store procedure in oralce for callable statements in jdbc

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What are the conditions applies to varchar variable, when using in procedures?

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Explain the various types of locking system in jdbc?

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Hi my doubt is that preparedStatement is a interface means which has no implemenation.plz go thru the code below String sql = "SELECT * FROM movies WHERE year_made = ?"; prest = con.prepareStatement(sql); prest.setInt(1,2002); ResultSet rs1 = prest.executeQuery(); Now setInt and executeQuery how it works since it is interface it does not have implementation how it works, how executeQuery returns result from database as executequery method has no implementation even in Statement interface.

4 Answers   Cybermate, Hexaware,

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signature of init method?

2 Answers  

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What is the use of prepared statement?Ans:used to execute pre compiled statement...so the question is when that precompiled statement will be execute or comiple?................

6 Answers   TCS,

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