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Oracle® Application Express Installation Guide
Release 4.1

Part Number E21673-04
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2 Oracle Application Express Installation Requirements

This chapter describes the requirements for installing Oracle Application Express.

Topics:

2.1 Oracle Database Requirement

Oracle Application Express version 4.1 requires an Oracle database (Enterprise Edition, Standard Edition or Standard Edition One) that is release 10.2.0.4 or higher. Oracle Application Express 4.1 can also be used with Oracle Database Express Edition 10g Release 2 and above.

Note:

You can upgrade the version of Oracle Application Express in Oracle Database Express Edition 10g Release 2 (10.2) and above, by installing Oracle Application Express version 4.1. For more information, see the Oracle Application Express Learn More page on the Oracle Technology Network (OTN).

2.1.1 Checking the shared_pool_size of the Target Database

Note:

Ignore this requirement if your configuration uses non-null values for the database initialization parameters SGA_TARGET (in Oracle Database 10g and 11g) or MEMORY_TARGET (in Oracle Database 11g).

Oracle Application Express requires the shared_pool_size of the target database to be at least 100 MB.

To check the shared_pool_size of the target database:

  1. Start the database:

    SQL> STARTUP
    
  2. If necessary, enter the following command to determine whether the system uses an initialization parameter file (initsid.ora) or a server parameter file (spfiledbname.ora):

    SQL> SHOW PARAMETER PFILE;
    

    This command displays the name and location of the server parameter file or the initialization parameter file.

  3. Determine the current values of the shared_pool_size parameter:

    SQL> SHOW PARAMETER SHARED_POOL_SIZE
    
  4. If the system is using a server parameter file, set the value of the SHARED_POOL_SIZE initialization parameter to at least 100 MB:

    SQL> ALTER SYSTEM SET SHARED_POOL_SIZE='100M' SCOPE=spfile;
    
  5. If the system uses an initialization parameter file, change the value of the SHARED_POOL_SIZE parameter to at least 100 MB in the initialization parameter file (initsid.ora).

  6. Shut down the database:

    SQL> SHUTDOWN
    
  7. Restart the database:

    SQL> STARTUP
    

2.2 Browser Requirements

To view or develop Oracle Application Express applications, Web browsers must support JavaScript and adhere to W3C standards for HTML and CSS. The following browsers are required to develop applications in Oracle Application Express:

Oracle Application Express applications can be developed that support earlier Web browser versions, including Microsoft Explorer 6.0.

2.3 HTTP Server Requirements

In order to run, Oracle Application Express you must have access to one of the following:

The following products include appropriate versions of HTTP Server and mod_plsql:

2.4 Disk Space Requirement

Oracle Application Express disk space requirements are as follows:

2.5 Oracle XML DB Requirement

Oracle XML DB must be installed in the Oracle database that you want to use. If you are using a preconfigured database created either during an installation or by Database Configuration Assistant (DBCA), Oracle XML DB is already installed and configured.

See Also:

Oracle XML DB Developer's Guide for more information about manually adding Oracle XML DB to an existing database

Tip:

The installer does a prerequisite check for Oracle XML DB and will exit if it is not installed.

Tip:

The installation of Oracle XML DB creates the user ANONYMOUS. In order for Oracle Application Express workspace provisioning to work properly, the ANONYMOUS user must not be dropped from the database.

2.6 PL/SQL Web Toolkit

Oracle Application Express requires the PL/SQL Web Toolkit version 10.1.2.0.6 or later. For instructions on determining the current version of the PL/SQL Web Toolkit, and for instructions on installing version 10.1.2.0.6, please review the README.txt file contained in the directory apex/owa.