Linux how to find the installation directory of oracle11g

In the terminal, enter:

whereis oracle

Press enter, if you have Oracle installed, it will show the address of the file installation, e.g. mine display (the installation address may be different).

oracle: /usr/bin/oracle /usr/lib/oracle /usr/share/oracle /usr/share/man/man1/

As you can see, the oracle is installed in a directory.

oracle:

2. Query the path where the running file is located

which oracle

The results are displayed:

usr/bin/oracle

You can run the whereis oracle command to query the installation path of the Oracle by performing the following steps:

1. First of all, use the xsell tool to connect to the corresponding Linux host, enter the Linux command line state, and wait for the shell command to be entered.

2. Enter the shell command under the Linux command: whereis oracle.

3. Finally, press the "Enter key" on the keyboard to run the shell instruction, and then you will find that the installation path of the oracle has been successfully queried and printed.

In Windows, you can use the registry to find Oracle Home Linux or Unix by running the env |grep oracle to check the corresponding path of oracle home.

Extension: 1. Oracle Database, also known as Oracle RDBMS, or Oracle for short. is a relational database management system from Oracle.

It is a product that has been leading the way in the field of databases. It can be said that Oracle database system is currently the world's most popular relational database management system, the system is portable, easy to use, strong functions, suitable for all kinds of large, medium, small and microcomputer environments. It is an efficient, reliable database solution that adapts to high throughput.

2. Oracle database system is a group of software products with distributed database as the core provided by Oracle Corporation (Oracle) in the United States, and is one of the most popular client server or BS architecture databases. For example, Silverstream is a type of middleware based on databases. Oracle Database is currently the most widely used database management system in the world, and as a general database system, it has complete data management functions.

You can do the following:

If you are prompted for a username for any oracle command, such as imp, Oracle is installed

1. Run sqlplus directly, and then ask for a username and password. If you are an administrator, you should add as sysdba to your username (the following example uses the sysdba identity).

2. Run the following statement to go directly: sqlplus username password as sysdba

3. Run sqlplus nolog, this statement only enters the sqlplus machine, but does not connect to the database. Therefore, you also need to use the connect statement to connect to the database.

echo %path% to see which directory the oracle is installed in the path.