SQL & PL/SQL

Hello

i just wanna know is the following : self relation SQL statment

SELECT ROWID,ACCOUNT_ID,ACCOUNT_NAME,IS_CLOSED,TYPE_ID,ACCOUNT_ID_PARENT 
FROM GL_ACCOUNTS
WHERE GL_ACCOUNTS.TYPE_ID = GL_ACCOUNTS_PARENT.TYPE_ID AND
GL_ACCOUNTS.ACCOUNT_ID_PARENT = GL_ACCOUNTS_PARENT.ACCOUNT_ID

If not pls i wanna create one

Thanks in Advance,

Regards,

Abdetu...