INTERVIEW QUESTIONS J2EE JDBC DETAILS

Question: What are the steps for connecting to the database using JDBC?

Answer: Steps for connecting database through JDBC

1 load the Driver
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
this is Type1 driver.Its also called JDBC-ODBC Bridge.

2 Establish the connection
conn=DriverManager.getConnection("jdbc:odbc:rahul","","");
here rahul is DSN(can be user DSN or system DSN), it eliminates the need of providing username & password
now connection is established & query can be fired

Submitted by Rahul Saxena ([email protected])

Steps for connecting database through JDBC

1 load the Driver
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
this is Type1 driver.Its also called JDBC-ODBC Bridge.

2 Establish the connection
conn=DriverManager.getConnection("jdbc:odbc:rahul","","");
here rahul is DSN(can be user DSN or system DSN), it eliminates the need of providing username & password
now connection is established & query can be fired

Submitted by Rahul Saxena ([email protected]) Source: CoolInterview.com

1) Load the driver-
Class.forName("oracle.jdbc.Driver.OracleDriver");
This is type 4 driver it is also called Thin driver..
2) Establish the connection-
Connection con=DriverManager.getConnection("jdbc:oracle:OracleDriver:thin:@localhost:1521","scott","tiger");

Now connection is established & query canbe fired... Source: CoolInterview.com

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