Update table all null values to 0 single query

Question

hi dear ;
How Can I do , update table all null values to 0 using single query or procedure

Answer 1

declare @tableName nvarchar(100)
declare @querys varchar(max)
set @querys = ''
set @tableName = 'YOUR TABLE NAME HERE'
select @querys = @querys + 'update ' + @tableName + ' set ' +
QUOTENAME(t.[name]) + '=0 where ' + QUOTENAME(t.[name]) + ' is null;'
from (SELECT [name] FROM syscolumns
WHERE id = (SELECT id
FROM sysobjects
WHERE type = 'U'
AND [NAME] = @tableName))t
select @querys
execute sp_executesql @sqlQuery
Reference:
http://stackoverflow.com/questions/6130133/sql-server-update-all-null-field-as-0
-Vaibhav Chaudhari
this code is return update TABLE set [FIELD]=isnull([FIELD],''),update TABLE set [FIELD2]=isnull([FIELD2],'')
I want to use UPDATE TABLE SET FIELD1=ISNULL(FIELD1,0),FIELD2=ISNULL(FIELD2,0),FIELD3=ISNULL(FIELD3,0)  So CUT another update and set statement .