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Oracle Tutorials - SQL*Plus Envirionment Variables

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What Are SQL*Plus Environment Variables?

Behaviors of SQL*Plus are also controlled a some environment variables predefined on the local operating system. Here are some commonly used SQL*Plus environment variables:

  • ORACLE_HOME - The home directory where your Oracle client application is installed.
  • PATH - A list of directories where SQL*Plus will search for executable or DLL files. PATH should include $ORACLE_HOME\bin.
  • SQLPLUS - The directory where localization messages are stored. SQLPLUS should be set to $ORACLE_HOME\sqlplus\mesg
  • TNS_ADMIN - The directory where the connect identifier file, tnsnames.ora is located. TNS_ADMIN should be set to $ORACLE_HOME/network/admin.

(Continued on next topic...)

  1. What Is SQL*Plus?
  2. How To Start the Command-Line SQL*Plus?
  3. How To Get Help at the SQL Prompt?
  4. What Information Is Needed to Connect SQL*Plus an Oracle Server?
  5. What Is a Connect Identifier?
  6. How To Connect a SQL*Plus Session to an Oracle Server?
  7. What Happens If You Use a Wrong Connect Identifier?
  8. What To Do If DBA Lost the SYSTEM Password?
  9. What Types of Commands Can Be Executed in SQL*Plus?
  10. How To Run SQL Commands in SQL*Plus?
  11. How To Run PL/SQL Statements in SQL*Plus?
  12. How To Change SQL*Plus System Settings?
  13. How To Look at the Current SQL*Plus System Settings?
  14. What Are SQL*Plus Environment Variables?
  15. How To Generate Query Output in HTML Format?
  16. What Is Output Spooling in SQL*Plus?
  17. How To Save Query Output to a Local File?
  18. What Is Input Buffer in SQL*Plus?
  19. How To Revise and Re-Run the Last SQL Command?
  20. How Run SQL*Plus Commands That Are Stored in a Local File?
  21. How To Use SQL*Plus Built-in Timers?
  22. What Is Oracle Server Autotrace?
  23. How To Set Up Autotrace for a User Account?
  24. How To Get Execution Path Reports on Query Statements?
  25. How To Get Execution Statistics Reports on Query Statements?

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