What is database connection pooling? Advantages of using a connection pool?

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what happens if connection is not closed?

7 Answers   CTS,

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What is jdbc databasemetadata interface?

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What causes no suitable driver error?

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What is a JDBC 2.0 DataSource?

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What is serialization and deserialization in java programming?

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How many types of jdbc drivers are there?

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How can we execute stored procedures using callablestatement?

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java.lang.ClassNotFoundException:oracle.jdbc.driver.OracleDr iver? I get this error at run time.I used oracle10G. I set CLASS PATH:C:\oraclexe\app\oracle\product\10.2.0 \server\jdbc\lib\ojdbc14.jar; I write JDBC PROGRAM like import java.sql.*; class Example { public static void main(String args[]) { try { Class.forName ("oracle.jdbc.driver.OracleDriver"); System.out.println("Driver Loaded"); Connection con=DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:xe","system","salmas"); System.out.println("Driver Connected"); Statement st=con.createStatement(); ResultSet rs=st.executeQuery("select * from emp"); while(rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getString(2)); System.out.println(rs.getString(3)); } st.close(); con.close(); } catch(Exception e) { System.out.println(e); } finally { System.out.println("it's finally block executed"); } } }

6 Answers   CTS,

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wa is connection pooling? how do u create connection pooling?wat is use connection pooling?

1 Answers   Covansys,

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can we define indexes on a foreign key? Explain pros and cons?

1 Answers  

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What is namedparameterjdbctemplate?

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