I am using one query as below. I want to export result set of below query into csv file.
select a.eid, b.ename, c.pid, b.pnm
from tab1 a join tab2 b on a.eid=b.eid
join tab3 c on b.pid=c.pid;
I want to extract csv file from the above result set along with headers & save into C:\User\mows\
folder using Stored procedure or any script. So I need result set with header in csv like below format. Could you please help me on this.
EID ENAME PID PNM
--- ----- --- ---
1001 Steve 21 IT
1003 Tim 23 Management
1005 Craig 25 Account
.......................
Data along with headers in csv file when above SQL
query run.
Here is one option using SQLcl - this is the command line client using the same engine as sqldeveloper. This allows passing hints in the sql query to format the output. For csv, this is a solution:
scott>select /*csv*/ * from emp;
"EMPNO","ENAME","JOB","MGR","HIREDATE","SAL","COMM","DEPTNO"
7839,"KING","PRESIDENT",,17/11/81,5001,,10
7698,"BLAKE","MANAGER",7839,01/05/81,2850,,30
7782,"CLARK","MANAGER",7839,09/06/81,2450,,10
7566,"JONES","MANAGER",7839,02/04/81,2975,,20
7788,"SCOTT","ANALYST",7566,09/12/82,3000,,20
7902,"FORD","ANALYST",7566,03/12/81,3000,,20
7369,"SMITH","CLERK",7902,17/12/80,801,,20
7499,"ALLEN","SALESMAN",7698,20/02/81,1600,300,30
7521,"WARD","SALESMAN",7698,22/02/81,1250,500,30
7654,"MARTIN","SALESMAN",7698,28/09/81,1250,1400,30
7844,"TURNER","SALESMAN",7698,08/09/81,1500,0,30
7876,"ADAMS","CLERK",7788,12/01/83,1100,,20
7900,"JAMES","CLERK",7698,03/12/81,950,,30
7934,"MILLER","CLERK",7782,23/01/82,1300,,10
14 rows selected.
To spool to a file, use the spool
command, just like in sqlplus. Example for some selected columns spooled to a file:
scott>spool empcsv.csv
scott>select /*csv*/ empno, ename FROM emp FETCH FIRST 5 ROWS ONLY;
"EMPNO","ENAME"
7839,"KING"
7698,"BLAKE"
7782,"CLARK"
7566,"JONES"
7788,"SCOTT"
scott>spool off
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