How to select only first few values in a Column

Hi, in one of the column of type SDO_GEOMETRY. In that column we have many values. Example : *(-6.33787700000002, 56.547309, -6.33786800000001, 56.547279, -6.33781400000001, 56.547249, -6.33776900000001)*
I wanted to know how can i select only first two or last two values from within the column.
Eg: i want only -6.33787700000002, 56.547309 to be displayed
Thanks

Hi,
Are the value specified here are multirow or single row data?
if it is multi row, Karthick solution should work. Else if it is a single row then try this
with T as
select '-6.33787700000002, 56.547309, -6.33786800000001, 56.547279, -6.33781400000001, 56.547249, -6.33776900000001' SDO_GEOMETRY from dual
-- end of sample data
select substr(SDO_GEOMETRY,1,instr(SDO_GEOMETRY,',',1,&cnt)-1) Output from T
PRAZY@11gR2> /
Enter value for cnt: 2
OUTPUT
-6.33787700000002, 56.547309
Elapsed: 00:00:00.05And remember, while posting questions it is good to specify your DB version with clear sample data and required output.
HTH,
Prazy

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