Ce script recherchera votre colonne dans toutes les tables de toutes les bases de données.
Create table #yourcolumndetails(DBaseName varchar(100), TableSchema varchar(50), TableName varchar(100),ColumnName varchar(100), DataType varchar(100), CharMaxLength varchar(100))
EXEC sp_MSForEachDB @command1='USE [?];
INSERT INTO #yourcolumndetails SELECT
Table_Catalog
,Table_Schema
,Table_Name
,Column_Name
,Data_Type
,Character_Maximum_Length
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME like ''%yourcolumnname%'''
select * from #yourcolumndetails
Drop table #yourcolumndetails