Criar apelido para campos

[leandrolbsParticipante]

Então deve ser isto:

SELECT ATC.OWNER as Dono,
ATC.TABLE_NAME as Tabela,
ATC.COLUMN_NAME as Coluna,
ATC.DATA_TYPE as "Tipo Tabela",
ATC.DATA_LENGTH as "Tamanho",
ATC.DATA_PRECISION as "Precisão"
FROM SYS.ALL_TAB_COLS ATC
WHERE ATC.OWNER = '&Dono'
AND ATC.TABLE_NAME = '&NomeTabela'