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SAP Sybase SQL Anywhere 16.0 » SQL Anywhere Server - SQL Usage » Data import and export » Data export


Tips on exporting data with the UNLOAD statement

The UNLOAD statement is similar to the OUTPUT statement in that they both export query results to a file. However, the UNLOAD statement exports data more efficiently in a text format. The UNLOAD statement exports with one row per line, with values separated by a comma delimiter.

Use the UNLOAD statement to unload data when you want to:

  • export query results if performance is an issue

  • store output in text format

  • embed an export statement in an application

  • export data to a file on a client computer

To use the UNLOAD statement with a SELECT, you must have the appropriate privileges. For example, the SELECT ANY TABLE system privilege is usually sufficient, unless the -gl database server option is set to NONE. At minimum, you must have the permissions required to execute the SELECT on the table that is specified within the UNLOAD statement

For more information about who can use the UNLOAD statement, see -gl database server option.

 Impact on the database
 See also