How to use the spool command in Oracle to export a dat file?

10 months ago

Noah Thompson

1 minute

In Oracle database, you can export data to a dat file using the spool command. Here is an example:

spool output.dat
SELECT * FROM your_table;
spool off

In this example, the ‘spool output.dat’ command specifies the output file name as ‘output.dat’. Then use the ‘SELECT * FROM your_table;’ query to export the needed data. Finally, use the ‘spool off’ command to disable spooling and save the data to the designated dat file.

Please note that the spool function by default outputs data as a text file. If the data that needs to be exported is not in pure text format, other tools may be required for processing.