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SPOOL command doesnt save result in query


I'm using SQL Developer and I'm trying to save result of a query into the text file using spool command.

spool D:\file.txt
SELECT * FROM TABLE
SPOOL OFF

When I open created file it only has my query in it: "SELECT * FROM TABLE" but not result of it. What am I doing wrong?


Solution

  • Try to execute it with a query which returns fewer rows to see if you have any other problems. After you make it work, try your query. Also there is a difference between Run Statement and Run Script.

    In the following query

    spool '/home/atilla/file.txt'
    
    SELECT * FROM DUAL;
    
    SPOOL OFF
    

    If I use Run Statement, I get following file

       \> SELECT * FROM DUAL
    

    If I use Run Script, I get following file

    \> SELECT * FROM DUAL
    DUMMY
    -----
    X