In Sybase 15, can I do the following:

CREATE TABLE ir_port_source
(
updated_by VARCHAR(128) DEFAULT CURRENT
USER,
updated_date TIMESTAMP DEFAULT CURRENT
TIMESTAMP
)

where on an update the updated_by and updated_date will automatically
be updated? This way I don't have to use an update trigger to update
the columns?

My syntax may be wrong. I have never done it before.

Does this work in Sybase 15?