sqltext from sqlid

[srik.dba]

How do we see sqltext using sqlid?I mean i cant see full sqltext...what parameter i need to set before executing below query...

select sesion.sid,
sql_text
from gv$sqltext sqltext, gv$session sesion
where sesion.sql_hash_value = sqltext.hash_value
and sesion.sql_address = sqltext.address
and sesion.username is not null
order by sqltext.piece
/

[ebrian]

Check V$SQL.