How to Start Oracle Database in Unix?

To start the Oracle Database in a Unix environment, you typically use the sqlplus command-line utility. Here's a basic example:

sqlplus /nolog
CONNECT / AS SYSDBA
STARTUP

This sequence of commands connects to the database as the SYSDBA user and then starts the database instance.

Here are some additional details to consider:

Using Oracle Net Manager: You can use Oracle Net Manager, a graphical tool, to start and stop databases.
Startup Parameters: You can specify various startup parameters, such as the database name or recovery mode, when starting the database.
Service Names: In a multi-instance environment, you may use service names to identify and start specific database instances.
Database Configuration: The specific commands and procedures for starting the database may vary depending on your Oracle database version and configuration.

Remember to consult the Oracle documentation for detailed instructions and best practices.

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