Instr function ?

From: steven wndy <wndyu_at_yahoo.com>
Date: Tue, 11 Dec 2001 16:57:26 -0800
Message-ID: <F001.003DA60B.20011211155024@fatcity.com>

Hello:

My table has a column (EVFIELDS) contain the concatenated information pass in (up to 20 fileds from other tables which will be used to update into our database), each piece of information will be separated by “^” in this column and some info are nullable, then the data for this column would be like:

1/ 
CIRCUITS00001^^12/31/01^^^^^^CIRCUITS^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

2/
DESKTOP-000001^333^^^^^^^DESKTOP
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

The first example above I have data in pos1, pos3, pos9, and others are NULL;
The second example there are data in pos1, pos2,pos9, and others are NULL;

I tried INSTR. But how do I find the start and end points for the postion like pos3 or pos11? In another word, how can I filter/select those data out of these “^”? Should I loop for the postion 1 to 2000? Any idea?

Desc c_eventout:

EVTYPE                     VARCHAR2(64)
EVTIME                     DATE
EVUSER                     VARCHAR2(64)
EVFIELDS                   VARCHAR2(2000)
EVSEPCHAR                  VARCHAR2(1)

Thanks for your reply

Steven

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Author: steven wndy
INET: wndyu_at_yahoo.com

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