How to start Oracle Database 11g XE on my local Windows computer? I have installed it earlier.

If you have Oracle Database 11g XE (Express Edition) installed on your local Windows computer, you can follow these steps to start and stop Oracle Database 11g server:

1. Run "Start > All Programs > Oracle Database 11g Express Edition > Start Database" to start Oracle Database XE service.

2. Run "Start > All Programs > Oracle Database 11g Express Edition > Run SQL Command Line" to run a test command:

SQL*Plus: Release 11.2.0.2.0 Production 
Copyright (c) 1982, 2014, Oracle.  All rights reserved.

SQL> -- Using Windows user group authentication for now
SQL> CONNECT / AS SYSDBA
Connected.

SQL> COL PRODUCT FORMAT A35
SQL> COL VERSION FORMAT A15
SQL> COL STATUS FORMAT A15
SQL> SELECT * FROM PRODUCT_COMPONENT_VERSION;

PRODUCT                             VERSION     STATUS
----------------------------------- ----------- ----------
NLSRTL                              10.2.0.2.0  Production
Oracle Database 10g Express Edition 10.2.0.2.0  64bit Production
PL/SQL                              10.2.0.2.0  Production
TNS for 64-bit Windows:             10.2.0.2.0  Production

3. Run "Start > All Programs > Oracle Database 11g Express Edition > Stop Database" to stop Oracle Database XE service.

The following picture shows you how to start and stop Oracle Database 11g XE on Windows 7:

⇒ OracleJdbcConnection.java - Oracle JDBC Connection

⇐ Install Oracle Database 11g XE for ojdbc.jar Test

⇑ Examples for ojdbc.jar - JDBC Driver for Oracle

⇑⇑ FAQ for ojdbc.jar - JDBC Driver for Oracle