Unable to read full data from a column of DataType "Text"

Hi,
 
I have column name "memo" of datatype Text.
This column "memo" consists of large amount of data.
The problem is when i try to read the data in them, only partial data is displayed.
 
Query i tried:
 
Set TEXTSIZE 8000
Select memo from Activity where Activity_Id="12"
 
can anyone help me out in this.
 
Thanx