Saturday, December 8, 2012

How to connect different databases with HSQL client

To connect different databases with HSQL client. this is very useful in a production environment, where a single client (in fact, just a jar file and lightweight) can connect to multiple databases.

1. hsql.jar
2. jdbc driver for the target database.

1. Start the HSQL client in command prompt.
2. enter the following command.

    window: java –cp hsqldb.jar;<JDBC DIRVER>.jar; org.hsqldb.util.DatabaseManager
    linux: java –cp hsqldb.jar:<JDBC DIRVER>.jar org.hsqldb.util.DatabaseManager

3. enter jdbc url, jdbc class, user name, password in the follow dialog.

Database Driver class jdbc url
Oracle oracle.jdbc.OracleDriver jdbc:oracle:thin:@<host>:<port>:<sid>
MSSQL net.sourceforge.jtds.jdbc.Driver jdbc:jtds:sqlserver://<host>:<port>/<database>
Sybase net.sourceforge.jtds.jdbc.Driver jdbc:jtds:sybase://<host>:<port>/<database>
DB2 jdbc:db2://<host>:<port>/<database> 
MySQL com.mysql.jdbc.Driver jdbc:mysql://<host>:<port>/<database>
informix com.informix.jdbc.IfxDriver jdbc:informix-sqli://<host>:<port>/<database>
PostgreSQL org.postgresql.Driver jdbc:postgresql://<host>:<port>/<database>

4. Click Ok
5. Done!

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