Code Conversion from MSSQL into Oracle

Are there any TOOLs for converting Sample Code (like the following) from MSSQL into Oracle?

SAMPLE :-

DECLARE @entity_id char(32), @branch_id char(9)

DECLARE cur_temp_GEMT CURSOR FOR select

         branch_id,entity_id from GEMT where other_party_name='' and entity_type='D'

OPEN cur_temp_GEMT

FETCH NEXT FROM cur_temp_GEMT INTO

@branch_id,@entity_id

WHILE @@FETCH_STATUS = 0 BEGIN UPDATE GEMT SET other_party_name=(SELECT name from GEAT where branch_id =@branch_id and entity_id=@entity_id
and addr_type='1' and entity_type='D') where entity_id=@entity_id and branch_id = @branch_id

FETCH NEXT FROM cur_temp_GEMT INTO

@branch_id,

@entity_id

END CLOSE cur_temp_GEMT

DEALLOCATE cur_temp_GEMT  

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