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  • Common Content for Data Engineering 10.4.1
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Table of Contents

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  1. Preface
  2. Analyst Service
  3. Catalog Service
  4. Content Management Service
  5. Data Integration Service
  6. Data Integration Service Architecture
  7. Data Integration Service Management
  8. Data Integration Service Grid
  9. Data Integration Service REST API
  10. Data Integration Service Applications
  11. Enterprise Data Preparation Service
  12. Interactive Data Preparation Service
  13. Informatica Cluster Service
  14. Mass Ingestion Service
  15. Metadata Access Service
  16. Metadata Manager Service
  17. Model Repository Service
  18. PowerCenter Integration Service
  19. PowerCenter Integration Service Architecture
  20. High Availability for the PowerCenter Integration Service
  21. PowerCenter Repository Service
  22. PowerCenter Repository Management
  23. PowerExchange Listener Service
  24. PowerExchange Logger Service
  25. SAP BW Service
  26. Search Service
  27. System Services
  28. Test Data Manager Service
  29. Test Data Warehouse Service
  30. Web Services Hub
  31. Application Service Upgrade
  32. Appendix A: Application Service Databases
  33. Appendix B: Connecting to Databases from Windows
  34. Appendix C: Connecting to Databases from UNIX or Linux
  35. Appendix D: Updating the DynamicSections Parameter of a DB2 Database

Application Service Guide

Application Service Guide

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Configuring Native Connectivity

Configuring Native Connectivity

You can configure native connectivity to an Oracle database to increase performance.
The following steps provide a guideline for configuring native connectivity using Oracle Net Services or Net8. For specific connectivity instructions, see the database documentation.
  1. Verify that the Oracle home directory is set.
    For example: 
    ORACLE_HOME=C:\Oracle
  2. Verify that the PATH environment variable includes the Oracle bin directory.
    For example, if you install Net8, the path might include the following entry: 
    PATH=C:\ORANT\BIN;
  3. Configure the Oracle client to connect to the database that you want to access.
    Launch SQL*Net Easy Configuration Utility or edit an existing
    tnsnames.ora
     file to the home directory and modify it.
    By default, the
    tnsnames.ora
     file is stored in the following directory:
    <OracleInstallationDir>\network\admin
    .
    Enter the correct syntax for the Oracle connect string, typically
    databasename.world
    . Make sure the SID entered here matches the database server instance ID defined on the Oracle server.
    Here is a sample
    tnsnames.ora
     file. Enter the information for the database. 
    mydatabase.world = 
   (DESCRIPTION
   (ADDRESS_LIST =
        (ADDRESS = 
           (COMMUNITY = mycompany.world
           (PROTOCOL = TCP)
           (Host = mymachine)
           (Port = 1521)
        )
   )
   (CONNECT_DATA =
      (SID = MYORA7)
      (GLOBAL_NAMES = mydatabase.world)
    Here is a sample
    tnsnames.ora
     file to connect to Oracle using Oracle Connection Manager: 
    ORCL19C_CMAN =
(description=
(address_list=
(source_route=yes)
(address=(protocol=tcp)(host=inrh74ocm.mycompany.com)(port=1521))
(address=(protocol=tcp)(host=inrh74oradb.mycompany.com)(port=1521))
)
(connect_data=
(service_name=ORCL19C.mycompany.com)
)
)
  4. Set the NLS_LANG environment variable to the locale, including language, territory, and character set, you want the database client and server to use with the login.
    The value of this variable depends on the configuration. For example, if the value is american_america.UTF8, you must set the variable as follows: 
    NLS_LANG=american_america.UTF8;
    To determine the value of this variable, contact the database administrator.
  5. To set the default session time zone when the Data Integration Service reads or writes the Timestamp with Local Time Zone data, specify the ORA_SDTZ environment variable.
    You can set the ORA_SDTZ environment variable to any of the following values:
    • Operating system local time zone ('OS_TZ')
    • Database time zone ('DB_TZ')
    • Absolute offset from UTC (for example, '-05:00')
    • Time zone region name (for example, 'America/Los_Angeles')
    You can set the environment variable at the machine where Informatica server runs.
  6. If the tnsnames.ora file is not in the same location as the Oracle client installation location, set the TNS_ADMIN environment variable to the directory where the tnsnames.ora file resides.
    For example, if the tnsnames.ora file is in the C:\oracle\files directory, set the variable as follows: 
    TNS_ADMIN= C:\oracle\files
  7. Verify that you can connect to the Oracle database.
    To connect to the database, launch SQL*Plus and enter the connectivity information. If you fail to connect to the database, verify that you correctly entered all of the connectivity information.
    Use the connect string as defined in the
    tnsnames.ora
     file.
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