Split string in 2 words

Hello,
If i have the string 'test1 test2-ttt test3'.. how can i split the string in two strings, so the 1st string contains the 1st word and the second the words after the first space?
e.g. in my case str1 = test1 and str2 = test2-ttt test3
i tried with
select substr('test1 test2-ttt test3', 1, instr('test1 test2-ttt test3', ' ', instr(''test1 test2-ttt test3', ' ')+1)-1)
from dual;but it's not the expected result..
Thanks in advance!

did you need somethink like this
select a.word1, substr('test1 test2-ttt test3',length(a.word1)+1,instr('test1 test2-ttt test3',' ')) from
select substr('test1 test2-ttt test3',1,instr('test1 test2-ttt test3',' ')-1) word1 from dual
) a
, dual bEdited by: Adigozalov Gurban on Jan 25, 2011 10:46 AM

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