Export data from Oracle to CSV [closed] - oracle

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I am using Oracle 12c on an instance of Amazon Web Services EC2.
I want to export data from one Oracle table with 5M records to a local folder in CSV format.
Is there a script or program to do that quickly in Redhat/bash environment?
I am looking for minimal installation and setup.

Answer 1

You want it quickly? How about a simple SPOOL SQLPlus command? You can make it prettier using different SET commands (type HELP SET on SQLPlus command prompt), but the general idea is as follows:
SQL> set colsep ','
SQL> spool emp.csv
SQL> select employee_id, first_name, last_name
2 from employees
3 where rownum < 5;
EMPLOYEE_ID,FIRST_NAME ,LAST_NAME
-----------,--------------------,-------------------------
100,Steven ,King
101,Neena ,Kochhar
102,Lex ,De Haan
103,Alexander ,Hunold
SQL> spool off;
SQL> $type emp.csv
SQL> select employee_id, first_name, last_name
2 from employees
3 where rownum < 5;
EMPLOYEE_ID,FIRST_NAME ,LAST_NAME
-----------,--------------------,-------------------------
100,Steven ,King
101,Neena ,Kochhar
102,Lex ,De Haan
103,Alexander ,Hunold
SQL> spool off;
SQL>
[EDITED by LF, after seeing OP's comment]
OK then, as you didn't take that effort and examine what SET offers, here you go: if you want to get a clean output (no headings, underlines, SELECT command, etc.), create a SQL file (let's name it SP.SQL):
SET ECHO OFF
SET VERIFY OFF
SET TRIMSPOOL ON
SET TRIMOUT ON
SET LINESIZE 9999
SET PAGESIZE 0
SET FEEDBACK OFF
SET TIMING OFF
SET TIME OFF
SET COLSEP ','
SPOOL emp.csv
SELECT employee_id, first_name, last_name
FROM employees
WHERE rownum < 5;
SPOOL OFF
Now connect to SQLPlus and run that script:
SQL> #sp
100,Steven ,King
101,Neena ,Kochhar
102,Lex ,De Haan
103,Alexander ,Hunold
SQL>
Finally, if you take a look at EMP.CSV, you'll see that it is nice and clean.
Satisfied?