Rtrim function HElppppppppppppp

I have about 36 fields in a table. All 36 fields need to be trimed. (more specific Rtrim). Is there any way I can Rtrim all 36 fields in one shot instead of typing rtrim(fieldname) for all 36 fields.

Thanks
proudpaki9Asked:
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Mikal613Commented:
nope
sorry
UPDTE BLah set = Rtrim(Blah) sorry
Mikal613Commented:
You couldve done it by the time it took to post this question and get the answer. How about you type the fields here and il write the query for you
LowfatspreadCommented:
declare @sqlstr varchar(8000)

select @sqlstr=@sqlstr + 'update mytable as X set [' + column_name + '] = rtrim([' + column_name + ']),'
  from information_schema.columns
 where table_schema='dbo'
 and table_nam='mytable'
 and data_type like '%varchar%'

then you can execute it,.,

you could also build the where clause to see if the row actually needs to be updated..
but with 36 columns its probably best to just update them all...

 

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astankovicCommented:
I don't think you can.
What you can do is generate a script that will generate the sql statement with necesary fields having rtrim() around them.
If that is in a stored procedure, i guess you could then execute that sql dynamically...
acampomaCommented:
Here you go
drop table #sp_Columns
go
Drop Table #Columns
go
Create table #Columns (ColumnId Int Identity(1,1),ColumnNameTxt Varchar(50))
go
Declare @MaxCol int
DEclare @CurrCol Int
DEclare @TableName Varchar(50)
Declare @ColumnName Varchar(50)
declare @SQLText varchar(2000)
set @TableName='T_RISK'



Create Table #sp_Columns (TABLE_QUALIFIER varchar(100),
      TABLE_OWNER varchar(100),
      TABLE_NAME varchar(100),
      COLUMN_NAME varchar(100),
      DATA_TYPE varchar(100),
      [TYPE_NAME] varchar(100),
      [PRECISION] varchar(100),
      LENGTH Int,
      SCALE varchar(100),
      RADIX varchar(100),
      NULLABLE varchar(100),
      REMARKS varchar(3500),
      COLUMN_DEF varchar(100),
      SQL_DATA_TYPE varchar(100),
      SQL_DATETIME_SUB varchar(100),
      CHAR_OCTET_LENGTH varchar(100),
      ORDINAL_POSITION varchar(10),
      IS_NULLABLE varchar(10),
      SS_DATA_TYPE  varchar(100))

Insert Into #sp_Columns exec  sp_Columns @TableName
Insert Into #Columns
select COLUMN_NAME from #sp_Columns


Select @MaxCol=Max(ColumnId),@CurrCol=Min(ColumnId)from #Columns
Set @SQLText='Select '
While @CurrCol<=@MaxCol Begin
select @ColumnName=ColumnNameTxt from #Columns where ColumnId=@CurrCol
set @SQLText=@SQLText+ 'rtrim('+@ColumnName+') as ' +@ColumnName
if @CurrCol<>@MaxCol Begin
      set @SQLText=@SQLText+','
      End      
set @CurrCol=@CurrCol+1
end
Set @SQLText=@SQLText+' from '+@TableName
exec ( @SQLText)
acampomaCommented:
There is a line set @TableName='T_RISK'
set the tablename to whatever you want

Scott PletcherSenior DBACommented:
Yep, best way is to generate the statement, then copy/paste to run it:


DECLARE @sql VARCHAR(8000)

SET @sql = 'UPDATE yourTableName ' + CHAR(13) +
    'SET '

SELECT @sql = @sql + '[' + column_name + '] = RTRIM([' + column_name + ']), ' + CHAR(13) + SPACE(4)
FROM INFORMATION_SCHEMA.columns
WHERE table_name = 'yourTableName'
AND data_type LIKE 'varchar%'

SET @sql = LEFT(RTRIM(@sql), LEN(@sql) - 3)

PRINT @sql
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