How does jdbc driver work?
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Why do we need jdbc api?
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"); } } }
What is a statement in java?
How many categories of jdbc drivers are there?
What are the advantages of database connection pooling?
Is it possible to connect to multiple databases simultaneously? Using single statement can one update or extract data from multiple databases?
What is a datasource in java?
What is a jdbc connection pool?
State the different connection methods used for creating different types of sql.
How can you know about drivers and database information ?
Why do we use jdbc statements?
What are the factors that the jdbc driver performance depends upon?