SQL Server: ค้นหา column

DECLARE @search NVARCHAR (max) = '%Pitt%';

SELECT
 DB_NAME () AS DatabaseName,
 SCHEMA_NAME (t.schema_id) AS SchemaName,
 t.name AS TableName,
 QUOTENAME (DB_NAME ()) + '.' + QUOTENAME (SCHEMA_NAME (t.schema_id)) + '.' + QUOTENAME (t.name) AS FullyQualifiedDomainName,
 CAST (ep.value AS NVARCHAR (MAX)) AS Description
FROM
 sys.tables t
LEFT JOIN
 sys.extended_properties ep
 ON t.object_id = ep.major_id
 AND ep.name = 'MS_Description'
WHERE
 t.name LIKE @search
 OR CAST (ep.value AS NVARCHAR (MAX)) LIKE @search;