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SQL - replace value in all tables of entire database - SQL Server 2005

Posted on 2010-11-18
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Last Modified: 2012-05-10
Hello experts,

I have a SQL database that contains employee information in the person table, and each employee has an id number that is a varchar.  However, some ID's have an extra period within the number, and I need to remove that period.  I then need to replace that new person number in every other instance that exists in the data base.  So:

table: person
ID                   last_name      first_name
923456.1       Smith              John
753456.1       Smith              Jane
123356.1       Jones             Randy
423456.1       Wright            Collin

becomes:

ID                   last_name      first_name
9234561       Smith              John
7534561       Smith              Jane
1233561       Jones             Randy
4234561       Wright            Collin

However, this needs to happen in all tables everywhere in the data base.  Anytime you see "123456.1" replace with "1234561" etc.  

Thoughts?

Thanks!
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Question by:robthomas09
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3 Comments
 
LVL 22

Assisted Solution

by:8080_Diver
8080_Diver earned 50 total points
ID: 34169147
You can set up either an SSIS package or a Stored procedure (SSIS may actually be easier in a sense, though) to do the following:

1) Find all tables with the ID column as VarChar datatype;

2) Using each of the table names, create a SQL statement to update the column (see attached SQL).


UPDATE @tablename
SET ID = REPLACE(ID, '.', '');

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LVL 41

Accepted Solution

by:
Sharath earned 400 total points
ID: 34169257
try this.
use YourDatabase
declare @query table (query nvarchar(max))
declare @sql nvarchar(max)
select @sql = ''
insert @query
select 'update ' + TABLE_NAME + ' set ID = REPLACE(ID,''.'','''')'
  from INFORMATION_SCHEMA.COLUMNS 
 where COLUMN_NAME = 'ID' 
   and DATA_TYPE in ('nvarchar','char','varchar','nchar')
while @sql is not null
begin
set @sql = (select MIN(query) from @query where query > @sql)
if @sql is not null
--print @sql
execute(@sql)
end

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LVL 5

Assisted Solution

by:Zopilote
Zopilote earned 50 total points
ID: 34169270
if the ID is the primary key, you will need to defer validation or disable the foreign keys temporarily before updating the values.
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