Oracle 12c Express Edition Download

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Installation Guide

11g Release 2 (11.2)for Linux x86-64

E18802-03

July 2011

Welcome to Oracle Database Express Edition Installation Guide for Linux x86-64. This guide covers the following topics:

Note:

The most up-to-date version of this installation guide is available from the Oracle Database Express Edition (Oracle Database XE) download page on Oracle Technology Network:

1 Introduction

Oracle Database XE is easy to install. Oracle Database XE provides an Oracle database and tools for managing the database.

Oracle Database XE supports the following development environments:

• Oracle SQL Developer: Oracle SQL Developer is a graphical version of SQL*Plus that gives database developers a convenient way to perform basic tasks. You can connect to any target Oracle Database XE schema using standard Oracle database authentication. Once connected, you can perform operations on objects in the database.

  Download and install Oracle SQL Developer from:

• Oracle Application Express: Oracle Database XE includes Oracle Application Express, a rapid web application development tool for the Oracle database. Oracle Application Express is enabled by default in Oracle Database XE.

• Java: Java is an open-source programing language that is designed for use in the distributed environment of the Internet. You can use Oracle JDeveloper, which is a free integrated Java development environment with support for the full development life cycle.

  Download and install Oracle JDeveloper from:

• PHP

  PHP is an open-source server-side embedded scripting language that is designed for Web development. PHP code can be embedded in HTML. You can download and install PHP from http://www.php.net.

For more information on Oracle Database XE, see the following:

• Oracle Database XE home page on the Oracle Technology Network:

• Oracle Database XE Documentation Library:

  Click the appropriate link on the Oracle Database XE home page on the Oracle Technology Network; or from the system menus, get to Oracle Database 11g Express Edition and select Get Help, then Read Documentation.

• Discussion forum:

  Click the appropriate link on the Oracle Database XE home page on the Oracle Technology Network; or from the system menus, get to Oracle Database 11g Express Edition and select Get Help, then Go to Online Forum.

2 Requirements

Oracle 12c Express Edition Download Windows 10

This section covers the following topics:

2.1 Software Requirements

This section covers the following topics:

2.1.1 System Requirements

Table 1 provides system requirements for Oracle Database XE.

Table 1 Oracle Database XE Requirements

Requirement	Value
Operating system	One of the following: Oracle Enterprise Linux 4 Update 7 Oracle Enterprise Linux 5 Update 2 Red Hat Enterprise Linux 4 Update 7 Red Hat Enterprise Linux 5 Update 2 SUSE Linux Enterprise Server 10 SP2 SUSE Linux Enterprise Server 11
Network protocol	The following protocols are supported: IPC Named Pipes SDP TCP/IP TCP/IP with SSL
RAM	256 megabytes minimum, 512 megabytes recommended
Disk space	1.5 gigabyte minimum
Packages	glibc should be greater than or equal to 2.3.4-2.41 make should be greater than or equal to 3.80 binutils should be greater than or equal to 2.16.91.0.5 gcc should be greater than or equal to 4.1.2 libaio should be greater than or equal to 0.3.104

2.1.2 Swap Space Requirements

Minimum swap space required for Oracle Database XE is 2 GB or twice the size of RAM, whichever is lesser.

2.1.3 Server Component Kernel Parameter Requirements

The Oracle Database XE installation checks your system for the following kernel parameter settings. If the kernel parameters of your system are less than the values listed in Table 2, then the installation will modify the kernel parameter setting to use the values in this table.

Table 2 Kernel Parameter Settings Required for Oracle Database XE

Kernel Parameter	Setting
semmsl	250
semmns	32000
semopm	100
semmni	128
shmmax	4294967295
shmmni	4096
shmall	2097152
file-max	6815744
VERSION	2.4.21
ip_local_port_range	9000–65500

2.2 Permission Requirement for Installing Oracle Database XE

You must have root permission to install Oracle Database XE.

3 Licensing Restrictions

This section covers the following topics:

3.1 Oracle Database XE CPU Limitations

If Oracle Database XE is installed on a computer with more than one CPU (including dual-core CPUs), then it will consume, at most, processing resources equivalent to one CPU. For example, on a computer with two CPUs, if two Oracle database clients try to simultaneously execute CPU-intensive queries, then Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition will use both CPUs to efficiently process the queries. However, with Oracle Database XE, the Oracle database will process the queries at the rate of a single CPU even if concurrent processing on two CPUs would be faster. To use the full processing resources of your computer, upgrade to Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition.

3.2 Oracle Database XE Installation and Execution Restrictions

Only one installation of Oracle Database XE can be performed on a single computer. This does not affect any existing installation or new installations of Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition. In addition, users can run only one instance of the Oracle Database XE database on each individual computer. To run more than one Oracle Database server instance or install more than one copy of the database software, upgrade to Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition.

3.3 Oracle Database XE User Data Limitations

The maximum amount of user data in an Oracle Database XE database cannot exceed 11 gigabytes. If the user data grows beyond this limit, then an ORA-12592 error will appear. To use more than 11 gigabytes of user data, upgrade to Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition.

3.4 Oracle Database XE RAM Limitation

The maximum amount of RAM that an Oracle Database XE database uses cannot exceed 1 gigabyte, even if more is available. Table 1, 'Oracle Database XE Requirements' provides the minimum and recommended RAM that you should use. The exact amount of RAM that Oracle Database XE uses is computed automatically using Automatic Memory Management.

To use more than 1 gigabyte of RAM, upgrade to Oracle Database 11g Standard Edition, Oracle Database 11g Standard Edition One, or Oracle Database 11g Enterprise Edition.

For more information about managing memory, refer to Oracle Database Express Edition 2 Day DBA.

3.5 HTTPS Support

HTTPS is not supported natively with the HTTP listener built into Oracle Database XE. If you want HTTPS support, use an alternative Web listener, such as Apache, that does provide HTTPS support, and provide proxies for the URLs provided by Oracle Database XE.

For information about managing security in Oracle Database XE, refer to Oracle Database Express Edition 2 Day DBA.

4 Installing Oracle Database XE

This section covers the following topics:

4.1 Procedure for Installing Oracle Database XE

Before attempting to install Oracle Database XE 11.2 uninstall any existing Oracle Database XE or database with the SID XE from the target system.

To install Oracle Database XE:

1. Log on to your computer with root permissions.

2. Go to the following Web site:

3. Click Free Download and follow the instructions to select and download the Linux version of Oracle Database XE.

4. Run the Oracle Database XE executable oracle-xe-11.2.0-1.0.x86_64.rpm to install Oracle Database XE.

   The installation displays a status of its progress.

5. When prompted, run the following command:

6. Enter the following configuration information:

   • A valid HTTP port for the Oracle Application Express (the default is 8080)

   • A valid port for the Oracle database listener (the default is 1521)

   • A password for the SYS and SYSTEM administrative user accounts

   • Confirm password for SYS and SYSTEM administrative user accounts

   • Whether you want the database to start automatically when the computer starts (next reboot)

This completes configuration. The database starts during the boot process.

Note:

The password for the INTERNAL and ADMIN Oracle Application Express user accounts is initially the same as the SYS and SYSTEM

Oracle 12c Express Edition Download 11g

administrative user accounts.

To start the database manually, run this command as root user:

To stop the database manually, run the following command as root user:

Note:

You can find the database creation logs in $ORACLE_HOME/config/log/*.

4.2 Performing a Silent Installation

The response file xe.rsp is shipped along with the Oracle Database XE executable .rpm file.

To perform a silent installation:

1. After downloading the installation executable (described under 'Procedure for Installing Oracle Database XE'), prepare the response file xe.rsp that contains settings for the following values:

   • ORACLE_LISTENER_PORT: A valid listener numeric port value, so that you can connect to Oracle Database XE

   • ORACLE_HTTP_PORT: A valid HTTP port numeric value for Oracle Application Express

   • ORACLE_PASSWORD: A password value for the SYS and SYSTEM administrative user accounts

   • ORACLE_CONFIRM_PASSWORD: The SYS and SYSTEM password value again, to confirm it

   • ORACLE_DBENABLE: Yes (y) or no (n), to specify whether you want to start Oracle Database XE automatically when the computer starts

   The default values are populated for ORACLE_LISTENER_PORT, ORACLE_HTTP_PORT, and ORACLE_DBENABLE in the response file.

2. Create a wrapper shell script to perform the silent installation.

   It should contain commands similar to the following:

3. Run the wrapper script as the root user.

   For details of the installation, see the XEsilentinstall.log file.

After you complete the silent installation, set the Oracle Database XE environment variables, which is described in Section 4.3, 'Setting the Oracle Database XE Environment Variables'.

Note:

You can find the database creation logs in $ORACLE_HOME/config/log/*.

4.3 Setting the Oracle Database XE Environment Variables

After you have installed and configured Oracle Database XE, users must set their environment before they use Oracle Database XE. They do not need to log on with root permissions to do so. Oracle Database XE provides a script that sets the necessary environment variables.

Follow these steps:

1. Go to the following directory:

   /u01/app/oracle/product/11.2.0/xe/bin

2. Look for the following scripts:

   • oracle_env.csh (for C or tcsh shell)

   • oracle_env.sh (for Bourne, Bash, or Korn shell)

3. Run the appropriate script for your shell. For example:

   • Bourne, Bash, or Korn shell:

   • C or tcsh shell:

You may also want edit your login or profile files so that these environment variables are set properly each time you log in or open a new shell.

For Bourne, Bash, or Korn shell, enter the following line into the .bash_profile (to log in) or .bashrc file (to open a new shell):

For C or tcsh shell, enter the following line into the .login file (to log in) or .cshrc file (to open a new shell):

4.4 Making Oracle Database XE Available to Remote Clients

After you install Oracle Database XE, the Get Started With Oracle Database 11g Express Edition home page is only available from the local server, not remotely.

Security Note:

With remote HTTP access to Oracle Database XE, all information exchanged between the browser and the database is in clear text—that is, unencrypted—including database user names and passwords. If this is cause for concern, do not enable remote HTTP connection to the database.

To use the SQL Command Line, follow these steps:

1. Start SQL*Plus and log in as SYSTEM:

   Or, if you are logging in remotely:

2. At the SQL prompt, enter the following command:

4.5 Compiling the Oracle ODBC Driver Demos

If you plan to compile and run the Oracle ODBC Driver demos, then follow these steps:

1. If you do not have unixODBC DriverManager installed, then download it from the following Web site:

2. Set the ODBCDM_HOME environment variable to point to the directory where you installed DriverManager.

3. Run the following make file to compile the Oracle ODBC Driver demos:

5 Starting Oracle Database XE

After you have installed Oracle Database XE, the database is up and running and you can begin using it right away, as follows:

1. If the database is currently stopped, start it as follows: click the Main menu (on Gnome) or the Applications menu (on KDE), then Oracle Database 11g Express Edition, and then click Start Database.

2. Go to the Main menu (on Gnome) or the Applications menu (on KDE), then Oracle Database 11g Express Edition, and then click Run SQL Command Line. Connect to the database using the user name SYSTEM, and supply the password that you created during configuration.

3. To begin learning about Oracle Database XE, use the OracleDatabase XE Documentation.

   To access the Oracle Database XE Documentation, from the Main menu (on Gnome) or the Applications menu (on KDE), select Oracle Database 11g Express Edition, then Get Help, and then click Read Documentation.

Note:

To use Oracle Database XE, your user id must be a member of Linux group dba.

6 Deinstalling Oracle Database XE

When you deinstall Oracle Database XE, all components, including data files, the database, and the software, are removed. If you want to save your data files but remove the Oracle Database XE software and database, then first export the data by using one of the methods described in Oracle Database Express Edition 2 Day DBA before you deinstall.

Because the deinstallation process removes all files from the directory in which Oracle Database XE is installed, back up any files from the directory (if needed) before you deinstall.

This section covers the following topic:

6.1 Deinstalling the Oracle Database XE Software

Follow these steps:

1. Log on with root privileges.

2. Run the following command to deinstall Oracle Database XE:

7 Importing and Exporting Data between 10.2 XE and 11.2 XE

To import and export data between 10.2 XE and 11.2 XE, perform the following steps:

1. Copy the gen_inst.sql file from the upgrade directory of 11.2 XE shiphome to your local directory.

2. Connect to 10.2 XE database as SYS user and run gen_inst.sql. This will generate install.sql, gen_apps.sql and other .sql files. The files will be generated in the folder containing gen_inst.sql.

   SQL> @<local_dir>/gen_inst.sql

   where local_dir is the local directory where gen_inst.sql is copied

   Note:

   Do not copy the gen_inst.sql file into the 10.2 XE home directory if you plan to install XE 11.2 on the same system. All generated files get deleted if XE 10.2 is uninstalled.

3. To export the data from 10.2 XE database, perform the following steps:

   1. Connect to 10.2 XE database as SYS user.

   2. Create a dump folder dump_folder on the local file system.

   3. Create directory object DUMP_DIR with READ and WRITE privilege to SYSTEM user.

   4. Export data from 10.2 XE database to the dump folder.

4. Deinstall 10.2 XE if installation of 11.2 XE is planned on the same system.

5. Install 11.2 XE database. For more information see Section 4, 'Installing Oracle Database XE'.

6. To import data to the 11.2 XE database, perform the following steps:

   1. Connect to 11.2 XE database as SYS user.

   2. Create directory object DUMP_DIR with READ and WRITE privilege to SYSTEM user.

   3. Import data to 11.2 XE database from the dump folder.

7. Connect to 11.2 XE database as SYS user and run the script install.sql, which was generated in Step 2. This will trigger the execution of ws.sql, gen._apps.sql, and other .sql files.

8 Reporting Security Vulnerabilities

If you find any security vulnerabilities with Oracle Database XE, then send a description of the problem to Oracle at the following e-mail address:

Include the following information in your e-mail:

• A complete description of the problem you encountered

• The version of Oracle Database XE you were using

• The platform on which you were running Oracle Database XE

• Any scripts or examples that may be helpful in tracking down the security problem

For more information on how Oracle handles security issues, visit:

9 Oracle Database XE Character and Language Configurations

Oracle Database XE is available only in Universal multi-language character set and language configuration:

• The database is created using Unicode(AL32UTF8) character set, which is suitable for global data in any language.

• Japanese, Brazilian Portuguese, and Simplified Chinese language message files are installed in ORACLE_HOME.

• The Oracle Application Express user interface and database error messages are available in English, Japanese, Brazilian Portuguese, and Simplified Chinese.

'Globalization Support: Configuring Locale and Character Sets with the NLS_LANG Parameter' provides additional character and language information.

10 Globalization Support: Configuring Locale and Character Sets with the NLS_LANG Parameter

This section explains how to configure globalization settings for Oracle Database XE. It covers the following topics:

10.1 About the NLS_LANG Parameter

Oracle provides globalization support that enables users to interact with a database in their preferred locale and character set settings. Setting the NLS_LANG environment variable specifies locale behavior for Oracle software. It sets the language and territory used by the client application and the database server. It also sets the character set for entering and displaying data by a client program, such as SQL*Plus.

The NLS_LANG parameter uses the following format:

NLS_LANG=LANGUAGE_TERRITORY.CHARACTER_SET

This format is explained in the following table:

Parameter	Description
LANGUAGE	Specifies the language for displaying product messages, day names, and month names in SQL. Oracle Database Globalization Support Guide provides more information about languages.
TERRITORY	Specifies the cultural-specific conventions for date, number, time, and monetary formatting. Oracle Database Globalization Support Guide provides more information about territory conventions.
CHARACTER_SET	Specifies the encoding used by the client application, which is usually the character set of the source data being processed, and the character set used in displaying the output. 'Supported Character Sets' provides a list of supported character sets.

Oracle Database Globalization Support Guide provides information about the NLS_LANG parameter and Globalization Support initialization parameters.

10.2 Default Values for NLS_LANG

The locale setting of your Linux session affects how you should set your NLS_LANG parameter. Table 3 lists the different Linux languages and their default locale IDs, together with the corresponding NLS_LANG values.

Table 3 NLS_LANG Parameter Values for Linux Locales

Language	Locale ID	NLS_LANG
English (American)	en_US.UTF-8	AMERICAN_AMERICA.AL32UTF8
English (American)	en_US.ISO-8859-1	AMERICAN_AMERICA.WE8ISO8859P1
English (American)	en_US.ISO-8859-15	AMERICAN_AMERICA.WE8ISO8859P15
English (Australian)	en_AU.UTF-8	ENGLISH_AUSTRALIA.AL32UTF8
English (Australian)	en_AU.ISO-8859-1	ENGLISH_AUSTRALIA.WE8ISO8859P1
English (Australian)	en_AU.ISO-8859-15	ENGLISH_AUSTRALIA.WE8ISO8859P15
English (British)	en_GB.UTF-8	ENGLISH_UNITED KINGDOM.AL32UTF8
English (British)	en_GB.ISO-8859-1	ENGLISH_UNITED KINGDOM.WE8ISO8859P1
English (British)	en_GB.ISO-8859-15	ENGLISH_UNITED KINGDOM.WE8ISO8859P15
English (Ireland)	en_IE.UTF-8	ENGLISH_IRELAND.AL32UTF8
English (Ireland)	en_IE.ISO-8859-1	ENGLISH_IRELAND.WE8ISO8859P1
English (Ireland)	en_IE.ISO-8859-15	ENGLISH_IRELAND.WE8ISO8859P15
Portuguese (Brazilian)	pt_BR.UTF-8	BRAZILIAN PORTUGUESE_BRAZIL.AL32UTF8
Portuguese (Brazilian)	pt_BR.ISO-8859-1	BRAZILIAN PORTUGUESE_BRAZIL.WE8ISO8859P1
Portuguese (Brazilian)	pt_BR.ISO-8859-15	BRAZILIAN PORTUGUESE_BRAZIL.WE8ISO8859P15
Japanese	ja_JP.EUC-JP	JAPANESE_JAPAN.JA16EUC
Japanese	ja_JP.UTF-8	JAPANESE_JAPAN.AL32UTF8
Chinese (simplified)	zh_CN.GB18030	SIMPLIFIED CHINESE_CHINA.ZHS32GB18030
Chinese (simplified)	zh_CN.UTF-8	SIMPLIFIED CHINESE_CHINA.AL32UTF8
Chinese (traditional)	zh_TW.BIG5	TRADITIONAL CHINESE_TAIWAN.ZHT16BIG5
Chinese (traditional)	zh_TW.UTF-8	TRADITIONAL CHINESE_TAIWAN.AL32UTF8

10.3 Supported Character Sets

Table 4 lists the supported character sets in Oracle Database XE.

The character set AL16UTF16 can be used only as an NCHAR character set, and not as a database character set.

Table 4 Supported Universal Character Sets

Name	Description
AL16UTF16	Unicode 4.0 UTF-16 Universal character set
AL32UTF8	Unicode 4.0 UTF-8 Universal character set
UTF8	Unicode 3.0 UTF-8 Universal character set, CESU-8 compliant

10.4 Charmap and Oracle Character Set

The character set mapping (charmap) of the locale ID assigned for each language may vary depending on the distribution and version of the Linux operating system. To determine the current character mapping, enter the following command in a shell:

Table 5 lists each charmap with its corresponding Oracle character set. In general, you should update the CHARACTER_SET part of the NLS_LANG parameter according to the actual charmap of your Linux session.

Table 5 Mapping charmap to Oracle Character Set

Locale charmap	Oracle Character Set
UTF-8	AL32UTF8
ISO-8859-1	WE8ISO8859P1
ISO-8859-2	EE8ISO8859P2
ISO-8859-3	SE8ISO8859P3
ISO-8859-4	NEE8ISO8859P4
ISO-8859-5	CL8ISO8859P5
ISO-8859-6	AR8ISO8859P6
ISO-8859-7	EL8ISO8859P7
ISO-8859-8	IW8ISO8859P8
ISO-8859-9	WE8ISO8859P9
ISO-8859-13	BLT8ISO8859P13
ISO-8859-14	CEL8ISO8859P14
ISO-8859-15	WE8ISO8859P15
BIG5	ZHT16BIG5
BIG5-HKSCS	ZHT16HKSCS
CP1251	CL8MSWIN1251
CP1255	IW8MSWIN1255
EUC-JP	JA16EUC
EUC-KR	KO16KSC5601
EUC-TW	ZHT32EUC
GB18030	ZHS32GB18030
GB2312	ZHS16CGB231280
GBK	ZHS16GBK
TIS-620	TH8TISASCII

11 Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customers have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.

Oracle Database Express Edition Installation Guide, 11g Release 2 (11.2) for Linux x86-64

E18802-03

Copyright © 2005, 2011, Oracle and/or its affiliates. All rights reserved.

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Learn how to download and install Oracle Application Express.

This section describes how to download and install Oracle Application Express. How you install Oracle Application Express depends upon by the type of database you into which you are installing.

• Installing Application Express
  Install Oracle Application Express by downloading a ZIP file from the Oracle Application Express download page.
• Creating or Updating Your Instance Administration Account
  Learn how to create or update your Instance Administrator account.
• Restart Processes
  Restart the processes that you stopped before you began the installation.

See Also:

Oracle Database 12c Release 2 Express Edition Download

'Utilizing the Multitenant Architecture in Oracle Database 12c or Later.'

Parent topic:Installing Application Express and Configuring Web Listener - Embedded PL/SQL Gateway (Deprecated)

A.3.1 Installing Application Express

Install Oracle Application Express by downloading a ZIP file from the Oracle Application Express download page.

1. For installations where the development will be in English only, download the file apex_20.1_en.zip from the Oracle Application Express download page. If the development will include languages other than English, download apex_20.1.zip from the Oracle Application Express download page. See:

   Note that the actual file name may differ if a more recent release has shipped since this document was published.

2. Unzip downloaded zip file:

   • If English only, unzip apex_20.1_en.zip as follows, preserving directory names:

     • UNIX and Linux: $ unzip apex_20.1_en.zip

     • Windows: Double click the file apex_20.1_en.zip in Windows Explorer

   • If multiple languages, unzip apex_20.1.zip as follows, preserving directory names:

     • UNIX and Linux: $ unzipapex_20.1.zip

     • Windows: Double click the file apex_20.1.zip in Windows Explorer

   Note:

   You should keep the directory tree where you unzip the files short and not under directories that contain spaces. For example, within Windows unzip to C:TEMP.

3. Change your working directory to apex.
4. Start SQL*Plus and connect to the database where Oracle Application Express is installed as SYS specifying the SYSDBA role. For example:
5. Disable any existing password complexity rules for the default profile. See “Configuring Password Protection” in Oracle Database Security Guide.
6. Select the appropriate installation option.

   Full development environment provides complete access to the App Builder environment to develop applications. A Runtime environment enables users to run applications that cannot be modified.

   Available installation options include:

   • Full development environment. Run apexins.sql passing the following four arguments in the order shown:

     Where:

     • tablespace_apex is the name of the tablespace for the Oracle Application Express application user.

     • tablespace_files is the name of the tablespace for the Oracle Application Express files user.

     • tablespace_temp is the name of the temporary tablespace or tablespace group.

     • images is the virtual directory for Oracle Application Express images. For installations using EPG, /i/ is the required value for the images argument. To support future Oracle Application Express upgrades, define the virtual image directory as /i/.

     Example:

     Note:

     If you receive the following error, exit SQL*Plus and change your working directory to where you unzipped the installation file, for example C:TEMP in Windows, before starting SQL*Plus:

     SP2-0310: unable to open file 'apexins.sql'

   • Runtime environment. Run apxrtins.sql passing the following arguments in the order shown:

     Where:

     • tablespace_apex is the name of the tablespace for the Oracle Application Express application user.

     • tablespace_files is the name of the tablespace for the Oracle Application Express files user.

     • tablespace_temp is the name of the temporary tablespace or tablespace group.

     • images is the virtual directory for Oracle Application Express images. To support future Oracle Application Express upgrades, define the virtual image directory as /i/.

     Example:

When Application Express installs, it creates the following database accounts:

• APEX_200100 - This account owns the Application Express schema and metadata.

• FLOWS_FILES - This account owns the Application Express uploaded files.

• APEX_PUBLIC_USER - This minimally privileged account is used for Application Express configuration with Oracle REST Data Services or Oracle HTTP Server and mod_plsql.

• APEX_INSTANCE_ADMIN_USER - A minimally privileged account used for the REST Administration Interface.

  Tip:

  To learn more about the REST Administration Interface, see 'About the REST Administration Interface' in Oracle Application Express Administration Guide

Note:

In an environment where EPG is used to access Oracle Application Express, the existing minimally privileged account ANONYMOUS is used.

If you are upgrading from a previous release, then FLOWS_FILES already exists and APEX_PUBLIC_USER is created if it does not already exist.

Tip:

Oracle Application Express must be installed from a writable directory on the file system. See 'Reviewing a Log of an Installation Session.'

See Also:

• 'Configuring Password Protection' in Oracle Database Security Guide

• 'About the Oracle Application Express Runtime Environment'

• 'SQL*Plus User's Guide and Reference for more information about SQL*Plus'

• 'Reviewing a Log of an Installation Session'

Parent topic:Downloading and Installing Oracle Application Express

A.3.2 Creating or Updating Your Instance Administration Account

Learn how to create or update your Instance Administrator account.

This section describes how to create or update your Instance Administrator account.

Tip:

Skip this section if you are upgrading from a previous release of Oracle Application Express. In an upgrade scenario, the Instance Administrator account and password is preserved and carried over from the prior release.

• What Is an Instance Administrator?
  Instance administrators are superusers that are responsible for managing an entire Oracle Application Express instance, including managing workspace provisioning, configuring features and instance settings, and managing security.
• About apxchpwd.sql
  Run the apxchpwd.sql script to create or update your Instance Administrator account.
• Running apxchpwd.sql
  Run the apxchpwd.sql script to create and update your Instance Administrator account.

Parent topic:Downloading and Installing Oracle Application Express

A.3.2.1 What Is an Instance Administrator?

Instance administrators are superusers that are responsible for managing an entire Oracle Application Express instance, including managing workspace provisioning, configuring features and instance settings, and managing security.

To perform these tasks, an Instance administrator signs in to the Oracle Application Express Administration Services application.

See Also:

'Oracle Application Express Administration Services' in Oracle Application Express Administration Guide

Parent topic:Creating or Updating Your Instance Administration Account

A.3.2.2 About apxchpwd.sql

Run the apxchpwd.sql script to create or update your Instance Administrator account.

Running the apxchpwd.sql script enables your to create or update your Instance Administrator account. You must run the apxchpwd.sql script in the following scenarios:

• New Oracle Application Express installations - Run apxchpwd.sql to create an Instance Administrator account and password.

• Converting of a runtime environment to a development environment - Run apxchpwd.sql to change the Instance Administrator account password.

• Changing Your Instance Administrator Password -Run apxchpwd.sql to change the password for an existing Instance Administrator account.

• Unlocking Your Instance Administrator Account - Run apxchpwd.sql to unlock an existing Instance Administrator account.

Tip:

You do not need to run apxchpwd.sql when upgrading from a previous release of Oracle Application Express. In an upgrade scenario, the Instance Administrator account password is preserved and carried over from the prior release.

Parent topic:Creating or Updating Your Instance Administration Account

A.3.2.3 Running apxchpwd.sql

Run the apxchpwd.sql script to create and update your Instance Administrator account.

To create or update your Instance Administrator account:

1. Change your working directory to the apex directory where you unzipped the installation software.
2. Start SQL*Plus and connect to the database where Oracle Application Express is installed as SYS specifying the SYSDBA role. For example:

   If Application Express was installed in a CDB, change your container to the PDB where you want to change the Administrator account password. For example: alter session set container = 'PDB1'

3. If Application Express was installed in a CDB, change your container to the PDB where you want to change the Administrator account password. For example:
4. Run apxchpwd.sql. For example:

   Follow the on-screen instructions. You will be prompted provide a username, password, and email address. If the account username does not exist, it will be created for you.

See Also:

SQL*Plus User's Guide and Reference for more information about SQL*Plus

Parent topic:Creating or Updating Your Instance Administration Account

A.3.3 Restart Processes

Oracle 12c Express Edition 64 Bit Download

Restart the processes that you stopped before you began the installation.

After you install Oracle Application Express, you must restart the processes that you stopped before you began the installation.

Visual Basic 2005 Express Edition

Parent topic:Downloading and Installing Oracle Application Express