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6.6

Syntax for using Trim, Ltrim, and Rtrim & sample of output

Asked by sikyala in Oracle Product Info

Tags: oracle, trim, syntax

I have some data in an oracle table that I need to clean up.

Here is a sample of the data from a text file before it was loaded into an oracle table via sql loader (I have 10,774 records in the table):

|(1) NT-53556 NT53556|(10) Radar Signal Interpretation Using Neural Network for Defect Detection in Concrete,|(20) Shoukry, Samir N. Martinelli, David Varadarajan, Srinivas T. Halabe, Udaya B. |(11) 01 Mar 1996|(15) 5 Page(s) |(22) N--(U) ISSN 0025-5327, BRIDGES, CONCRETE, GROUND PENETRATING RADAR, INFRASTRUCTURE, NEURAL NETWORKS.; |(27) na|(14) JOURNAL ARTICLES |(12) NTIAC |(3) Unclassified

As you can see The columns are pipe delimited.

Here is what I need to do:

1. There are 19 columns. I need to delete the numbers that appear on the left of the text for example: (1) from each column. Each record of a column for example author column has the same number. So for every record of that column at the beginning the data in that column will begin with (20). Everything after the open parens, number and close parens I want to remain in that column.

2. I also need to delete all the white spaces that appear after the open parens, number and close parens.

3. In the first field delete duplicate information (NT-53556 NT53556). As you can see the data appears twice. The only difference is the data on the left has a hyphen in it. I want to delete the data on the right (i.e. data without hyphen)



Could someone please help me? Thanks!
[+][-]08/11/05 06:10 PM, ID: 14657426Expert Comment

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[+][-]08/22/05 03:56 AM, ID: 14723049Accepted Solution

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Zone: Oracle Product Info
Tags: oracle, trim, syntax
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Solution Provided By: jignesh_oracle
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Solution Grade: A
 
[+][-]08/22/05 01:22 PM, ID: 14728161Author Comment

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