How do I check if Oracle is installed? Thank you!

Windows: Start running --- ---cmd --sqlplus as sysdba

oracle database 10g enterprise edition release - production

with the partitioning, olap and data mining options

Linux platform: SU - Oracle users --- SQLPLUS as sysdba for Oracle users

sql*plus: release - production on tue nov 30 15:54:24 2010

connected to an idle instance.

Log in with SQLPLUS to take a look.

sqlplus / as sysdba

If you can log in normally, the general information is as follows:

sql*plus: release - production on tue nov 30 15:48:35 2010

connected to:

oracle database 10g enterprise edition release - production

with the partitioning, olap and data mining options

root@m1standby ~]# su - oracle

oracle@m1standby ~]sqlplus /nolog

sql*plus: release - production on tue nov 30 16:01:41 2010

copyright (c) 1982, 2002, oracle corporation. all rights reserved.

sql> conn /as sysdba

connected.

sql> select open_mode from v$database;

open_mode

read write

sql>

If open mode is read write, the Oracle database is normal.

1. First of all, find the running application on the Windows 10 computer and click to open it.

2. Then, enter cmd in the dialog box that opens, and click the OK button.

3. Then, enter sqlplus nolog in the window with a black background and press enter.

4. Finally, after pressing the Enter key again, if there is no error and the Oracle version number appears, it means that Oracle has been successfully installed under Linux; Otherwise, the installation will not be successful.

1. If it is a Windows operating system, first right-click the blank position of the computer taskbar, 2. Next, you need to click to open the task manager in the new small menu bar window, 3. Next, you need to switch to the process management interface in the new task manager window, 4. Next, if there is one, prove that the computer has installed the oracle database, and the database is running.

1.After installation, click to open it at the beginning according to the figure below, if the display is not the Chinese version, it is.

Configuration and Manager, and then click Net Manager.

2.Enter your account and password, then click under the name of the service"orcl"Enter your computer's IP address in the address configuration.

3.Then enter your computer's IP address in Address 2 in the listener of the listener.

4.Click My Click, right-click, enter"Management", tap Services & Applications, and then tap Service Options.

5.Open the name of the service, find the two services shown in the figure below, and click Start respectively.

7.After the test is successful, the test will be displayed as shown in the following figure, otherwise the orcl cannot be used normally, and you need to check the installation steps.

Test whether you can connect to the following with SQLPLUS

Make the shirt leather with sqlplus login command format such as: sqlplus username password @ global database instance name.

Enter the bin directory of the oracle installation directory and execute the following ** to see if you can connect:

Login with sys user:

Use assysdba"

Login: Login as a system user:

The test ridge collapse was successful.

Test whether you can connect to the following with SQLPLUS

Use the sqlplus login command format as follows: sqlplus username password @ global database instance name as permission (normal, sysdba, sysoper).

Go to the bin directory of the Oracle installation directory and run the following command to see if you can connect:

Login with sys user:

use"/as sysdba"Login:

Log in as a system user:

The test was successful.