How to check the oracle database instance name

To view the Oracle database instance name, you can use four methods: Use SQL command: SELECT INSTANCE_NAME FROM V$INSTANCE; Use operating system command: ps -ef | grep oracle | grep -i INST Use Oracle Enterprise Manager uses dbms_system package

How to view the Oracle database instance name

To view the Oracle database instance name, you can use The following methods:

Method 1: Use the SQL command

1. to connect to the Oracle database.
2. Run the following SQL command:

SELECT INSTANCE_NAME FROM V$INSTANCE;

This command will return the name of the current database instance.

Method 2: Using operating system commands

1. For Windows operating systems, open a command prompt.
2. For UNIX operating systems, please open a terminal window.
3. Run the following command:

ps -ef | grep oracle | grep -i INST

This command will list the processes related to the Oracle process, including the instance name.

Method 3: Using Oracle Enterprise Manager

1. Start the Oracle Enterprise Manager console.
2. Expand the target database.
3. Select the "Overview" tab.

The instance name will be displayed in the Basic Information section of the Overview tab.

Method 4: Use the dbms_system package

1. to connect to the Oracle database.
2. Run the following PL/SQL block:

DECLARE
  instance_name VARCHAR2(64);
BEGIN
  SELECT INSTANCE_NAME INTO instance_name FROM V$INSTANCE;
  DBMS_OUTPUT.PUT_LINE(instance_name);
END;
/

This block will output the name of the current database instance.

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