How do I start Oracle 18c XE on Linux?

How do I start Oracle XE on Linux?

Oracle Linux 6: You can start and stop the database using the /etc/init. d/oracle-xe-18c script. You can shut down and start the database using SQL*Plus.

How do I run Oracle XE?

On Windows, from the Start menu, select Programs (or All Programs), then Oracle Database 11g Express Edition, and then Get Started. On Linux, click the Application menu (on Gnome) or the K menu (on KDE), then point to Oracle Database 11g Express Edition, and then Get Started.

How can I open Oracle database 18c?

Go into the extracted Oracle 18c XE Installer directory and double-click on setup.exe . Important: Do not double-click on Oracle Database 18c Express Edition. msi . Click “Yes” when Windows asks you whether you want to allow this app to make changes to your device.

How do I know if Oracle service is running on Linux?

Oracle database instances execute with different mandatory processes, such as PMON.

  1. On Windows systems, go to Control Panel→Administrative Tools→Services to see whether the Oracle service has started. …
  2. On Linux/UNIX systems, simply check for the PMON process.
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Where is Sqlplus path in Linux?

Start by a cd to the $ORACLE_HOME/bin and see if it works . . . If this works, you need to set your PATH to include your $ORACLE_HOME/bin directory. Next, we start SQL*Plus with the sqlplus command. When starting SQL*Plus include the user name that you wish to connect to.

How do I check my TNS Listener status?

Do the following:

  1. Log on to the host where the Oracle database resides.
  2. Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOMEbin.
  3. To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL. …
  4. Repeat step 3 to verify that the TNS listener is running.

How do you unlock the HR schema in Oracle 18c XE?

Let’s see each of these steps in detail.

  1. Step 1: Find out the Container ID.
  2. STEP 2: Find out the service name.
  3. Step 3: Create an entry in TNSNAMES. ora file.
  4. Restart the listener.
  5. Step 4: Switch from Container database to Pluggable database.
  6. Step 5: Unlock the HR user.


What is Oracle Database XE?

Oracle Database Express Edition (Oracle Database XE) is a free, smaller-footprint edition of Oracle Database. Oracle Database XE is easy to install and easy to manage. … Create tables, views, and other database objects. Import, export, and view table data. Run queries and SQL scripts.

What is XE in Oracle JDBC URL?

Connection URL: The connection URL for the oracle10G database is jdbc:oracle:thin:@localhost:1521:xe where jdbc is the API, oracle is the database, thin is the driver, localhost is the server name on which oracle is running, we may also use IP address, 1521 is the port number and XE is the Oracle service name.

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Is Oracle 18c the same as 12c?

18c and 19c are both 12.2 releases of the Oracle database. Oracle Database 18c is Oracle 12c Release 2 (12.2. 0.2). … Therefore, if you are considering an Oracle 12.2 Database deployment, you should consider an upgrade to the latest 12.2 release, which turns out to be Oracle 19c.

What is Oracle Database 18c Express Edition?

Whether you are a developer, a DBA, a data scientist, an educator, or just curious about databases, Oracle Database 18c Express Edition (XE) is the ideal way to get started. … You get an Oracle Database to use in any environment, plus the ability to embed and redistribute – all completely free!

How do I open Oracle XE in browser?

On Windows: Click Start, point to Programs (or All Programs), point to Oracle Database 10g Express Edition, point to Get Help, and then select Read Online Help. On Linux with Gnome: In the Applications menu, point to Oracle Database 10g Express Edition, point to Get Help, and then select Read Online Help.

How do I check if a DB is running on Linux?

To check general database status, I recommend:

  1. Check if database processes are running. For example, from a Unix shell, running: $ ps -ef | grep pmon. …
  2. Check if listeners are running using $ ps -ef | grep tns and $ lsnrctl status LISTENER.

How do you check if the database is up and running?

How to check if DB is up & running from Application Server?

  1. Write a shell script in App server which connects to DB. Trigger a dummy select statement. If that works then DB is up.
  2. Write a shell script in App server which pings the DB. If ping works then DB is up.
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How do I know if a listener is running?

Checking if Oracle Listener is running on Windows

  1. Open a command window.
  2. Type lsnrctl.
  3. You will get a prompt the reads LSNRCTL>
  4. Type status.
  5. If you see the xe* listeners in READY your database is up and running.
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