Originally posted by quester

See this exact extract from SYBEX Series for OCP DBA 8i - which says - "A checkpoint occurs when the dirty buffers are written to the disk" Now does this mean it's an interpretation mistake of SYBEX.. can we conclude that.. I am looking for some Guru's to acknowledge this..
Its wrong... By writting dirty blocks to datafile doesn't force or occure checkpoint. You can force checkpoint to write dirty blocks to datafile.. The question is quite well answered by Sanjay.