buscar nombre de columna en todas las tablas sql server
SELECT sysobjects.name AS table_name, syscolumns.name AS column_name,
systypes.name AS datatype, syscolumns.LENGTH AS LENGTH
FROM sysobjects INNER JOIN
syscolumns ON sysobjects.id = syscolumns.id INNER JOIN
systypes ON syscolumns.xtype = systypes.xtype
WHERE (sysobjects.xtype = 'U')
and (UPPER(syscolumns.name) like upper('%myFieldName%'))
ORDER BY sysobjects.name, syscolumns.colid