Create CSV file using PL/SQL

To create a file, we need to create a directory and have the read write permission as

1) create or replace directory MYCSV as '/home/oracle/mycsv';
Note: /home/oracle/mycsv has to be physical location on disk.
2) grant read, write on directory MYCSV to scott;

Following is the pl/sql sample code to create CSV file

DECLARE
    F UTL_FILE.FILE_TYPE;
    CURSOR C1 IS SELECT EMPNO, ENAME, SAL, E.DEPTNO, DNAME FROM EMP E, DEPT D WHERE E.DEPTNO = D.DEPTNO ORDER BY EMPNO;
    C1_R C1%ROWTYPE;
BEGIN
    F := UTL_FILE.FOPEN('MYCSV','EMP_DEPT.CSV','w',32767);
    FOR C1_R IN C1
    LOOP
        UTL_FILE.PUT(F,C1_R.EMPNO);
        UTL_FILE.PUT(F,','||C1_R.ENAME);
        UTL_FILE.PUT(F,','||C1_R.SAL);
        UTL_FILE.PUT(F,','||C1_R.DEPTNO);
        UTL_FILE.PUT(F,','||C1_R.DNAME);
        UTL_FILE.NEW_LINE(F);
    END LOOP;
    UTL_FILE.FCLOSE(F);
END;
/


After the execution of above procedure, a file (EMP_DEPT.CSV) would have been created at "/home/oracle/mycsv/" location.

You may check it on linux by

cd /home/oracle/mycsv
cat EMP_DEPT.CSV

7369,SMITH,800,20,RESEARCH
7499,ALLEN,1600,30,SALES
7521,WARD,1250,30,SALES
7566,JONES,2975,20,RESEARCH
7654,MARTIN,1250,30,SALES
7698,BLAKE,2850,30,SALES
7782,CLARK,2450,10,ACCOUNTING
7788,SCOTT,3000,20,RESEARCH
7839,KING,5000,10,ACCOUNTING
7844,TURNER,1500,30,SALES
7876,ADAMS,1100,20,RESEARCH
7900,JAMES,950,30,SALES
7902,FORD,3000,20,RESEARCH
7934,MILLER,1300,10,ACCOUNTING


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