User defined datatype

Hi

I have a pre existing code in an stored pro that receives multi valued  parameter from SSRS 2008.

Declare @tbl_x table(typename nvarchar(100))
While len(@rpt_parameter) >0
Begin
Insert into @tbl_x
.....
)

I'm not familiar with user defined data types and need to do same thing for a parameter of type unique identifier.
Are the variables ( in the example above: typename) defined here in the code? Do I need to do the same for unique identifier data type?
Thanks
shmzAsked:
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HainKurtSr. System AnalystCommented:
that looks a column name to me...

a table var names @tbl_x which has one column named "typename" with nvarchar(100) datatype

above code, creates a (temporary) table with one column and dumps all parameters into it, so maybe it will use it in some queries/views etc...
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Scott PletcherSenior DBACommented:
Declare @tbl_x table(typename uniqueidentifier primary key) --might as well be pk, unless you need to insert dup values to this table??

 While len(@rpt_parameter) >0
 Begin
 Insert into @tbl_x
 .....
 )
0
DcpKingCommented:
There are no user-defined data types in the code fragment you provided. Perhaps you would like to provide the full SProc (or at least the part that gets data into the table variable (@tbl_x)) for us to see ? Otherwise what HainKurt says.

Mike
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shmzAuthor Commented:
thanks
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