Oracle Database Express Edition Quick Start

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Oracle Database XE Quick Start

If you are experienced at installing software then use the steps provided below.
For more information and full step-by-step instructions please review the installation guides for Linux or Windows.

Installing Oracle Database XE

Oracle Linux

Download oracle-database-xe-18c-1.0-1.x86_64.rpm
Run “yum -y localinstall oracle-database-xe*”
Run “/etc/init.d/oracle-xe-18c configure”

Red Hat compatible Linux distribution

Download oracle-database-xe-18c-1.0-1.x86_64.rpm
Run “curl -o oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm”
Run “yum -y localinstall oracle-database-xe*”
Run “/etc/init.d/oracle-xe-18c configure”

Windows

Log into Windows with a user that is a member of the Administrators group.
If the ORACLE_HOME environment variable has been set, then unset it.
Download OracleXE184_Win64.zip
Extract zip file to a local temporary directory and run setup.exe.
When prompted by the installer, provide the install location, the database password, and begin the installation.
When the installation is complete, note the provided connection strings on the final screen.

Note: When Windows is rebooted, the pluggable database (eg: XEPDB1) will not be open and available. For details on how to automatically open the pluggable database when Windows starts, see Chapter 7 of the Oracle Database XE Windows Installation Guide.

Docker

A Linux Docker image can be built using the Dockerfiles provided under https://github.com/oracle/docker-images

VirtualBox

A Linux VirtualBox VM can be built using the Vagrant scripts provided under https://github.com/oracle/vagrant-boxes. You can also install into a Windows VirtualBox VM providing the version of Windows is supported. See the Oracle Database XE Windows Installation Guide.

Connecting to Oracle Database XE

SQL

-- Connect string format: [username]/[password]@//[hostname]:[port]/[DB service name] [AS SYSDBA]
-- To connect to the Container Database (CDB) use:
sqlplus sys/GetStartedWithXE@//localhost:1521/XE as sysdba
-- To connect to the first Pluggable Database (PDB) use:
sqlplus sys/GetStartedWithXE@//localhost:1521/XEPDB1 as sysdba

Java

OracleDataSource ods = new OracleDataSource();
ods.setURL("jdbc:oracle:thin:@//localhost:1521/XEPDB1"); // jdbc:oracle:thin@//[hostname]:[port]/[DB service name]
ods.setUser("system"); // [username]
ods.setPassword("GetStartedWithXE"); // [password]
Connection conn = ods.getConnection();
PreparedStatement stmt = conn.prepareStatement("SELECT 'Hello World!' FROM dual");
ResultSet rslt = stmt.executeQuery();
while (rslt.next()) {
System.out.println(rslt.getString(1));
}

Python

import cx_Oracle
# Connect string format: [username]/[password]@//[hostname]:[port]/[DB service name]
conn = cx_Oracle.connect("system/GetStartedWithXE@//localhost:1521/XEPDB1")
cur = conn.cursor()
cur.execute("SELECT 'Hello World!' FROM dual")
res = cur.fetchall()
print(res)

Node.js

var oracledb = require('oracledb');
async function run() {
let connection = await oracledb.getConnection( {
user : "system", // [username]
password : "GetStartedWithXE", // [password]
connectString : "localhost:1521/XEPDB1" // [hostname]:[port]/[DB service name]
});
let result = await connection.execute( "SELECT 'Hello World!' FROM dual");
console.log(result.rows[0]);
}
run();

C# / .NET

// Connection string format: User Id=[username];Password=[password];Data Source=[hostname]:[port]/[DB service name];
OracleConnection con = new OracleConnection("User Id=system;Password=GetStartedWithXE;Data
Source=localhost:1521/XEPDB1;");
con.Open();
OracleCommand cmd = con.CreateCommand();
cmd.CommandText = "SELECT \'Hello World!\' FROM dual";
OracleDataReader reader = cmd.ExecuteReader();
reader.Read();
Console.WriteLine(reader.GetString(0));

PHP

// [username], [password], //[hostname]:[port]/[DB service name]
$c = oci_pconnect("system", "GetStartedWithXE", "//localhost:1521/XEPDB1");
$s = oci_parse($c, "SELECT 'Hello World!' FROM dual");
oci_execute($s);
oci_fetch_all($s, $res);
echo "<pre>\n"
var_dump($res);
echo "</pre>\n";

Ruby

require 'oci8'
// "[username]/[password]@//[hostname]:[port]/[DB service name]"
con = OCI8.new("system/GetStartedWithXE@//localhost:1521/XEPDB1")
statement = "SELECT 'Hello World!' FROM dual"
cursor = con.parse(statement)
cursor.exec
cursor.fetch do |row|
print row
end

Go

package main
import (
"database/sql"
"fmt"
"log"
_ "gopkg.in/goracle.v2"
)
func main() {
// Connect string format: [username]/[password]@//[hostname]:[port]/[DB service name]
db, err := sql.Open("goracle", "system/GetStartedWithXE@//localhost:1521/XEPDB1")
if err != nil {
log.Fatal(err)
}
defer db.Close()
rows, err := db.Query("SELECT 'Hello World!' FROM dual")
if err != nil {
log.Fatal(err)
}
defer rows.Close()
var strVal string
for rows.Next() {
err := rows.Scan(&strVal)
if err != nil {
log.Fatal(err)
}
fmt.Println(strVal)
}
err = rows.Err()
if err != nil {
log.Fatal(err)
}
}