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Oracle Tutorials - What Is a Directory Object

By: FYIcenter.com

(Continued from previous topic...)

What Is a Directory Object?

A directory object is a logical alias for a physical directory path name on the operating system. Directory objects can be created, dropped, and granted access permissions to different users. The following tutorial exercise shows you some good examples:

>sqlplus /nolog

SQL> connect SYSTEM/fyicenter

SQL> CREATE DIRECTORY test_dir AS '/oraclexe/test';
Directory created.

SQL> GRANT READ ON DIRECTORY test_dir TO hr;
Grant succeeded.

SQL> GRANT WRITE ON DIRECTORY test_dir TO hr;
Grant succeeded.

SQL> CREATE DIRECTORY temp_dir AS '/oraclexe/temp';
Directory created.

SQL> DROP DIRECTORY temp_dir;
Directory dropped.

(Continued on next topic...)

  1. What Is the Simplest Tool to Run Commands on Oracle Servers?
  2. What Is the Quickest Way to Export a Table to a Flat File?
  3. How To Export Data with a Field Delimiter?
  4. What Is SQL*Loader?
  5. What Is a SQL*Loader Control File?
  6. How To Load Data with SQL*Loader?
  7. What Is an External Table?
  8. How To Load Data through External Tables?
  9. What Are the Restrictions on External Table Columns?
  10. What Is a Directory Object?
  11. How To Define an External Table in a Text File?
  12. How To Run Queries on External Tables?
  13. How To Load Data from External Tables to Regular Tables?
  14. What Is the Data Pump Export Utility?
  15. What Is the Data Pump Import Utility?
  16. How To Invoke the Data Pump Export Utility?
  17. How To Invoke the Data Pump Import Utility?
  18. What Are Data Pump Export and Import Modes?
  19. How To Estimate Disk Space Needed for an Export Job?
  20. How To Do a Full Database Export?
  21. Where Is the Export Dump File Located?
  22. How To Export Your Own Schema?
  23. How To Export Several Tables Together?
  24. What Happens If the Imported Table Already Exists?
  25. How To Import One Table Back from a Dump File?
  26. What Are the Original Export and Import Utilities?
  27. How To Invoke Original Export/Import Utilities?

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