Answer / nare

in tms return code 247 is related tat there is problem with Co-files and data files.

Answer / sudmitra

The checkpoint process is responsible for updating file
headers in the database datafiles. A checkpoint occurs when
Oracle moves new or updated blocks from the RAM (SGA) buffer
cache to the database datafiles. A checkpoint keeps the
database buffer cache (SGA) and the database datafiles
synchronized. This synchronization is part of the mechanism
that Oracle uses to ensure that your database can always be
recovered.

Agree to Raghu's answer abt Tp RC 247.

Answer / ashwani mishra

TMS return code 247 comes when there is either the data /co files are corrupt or there is some issue with authorization..

Answer / dj

Addition to sudmitra.SCN number is written on checkpoint every time datafiles moved from buffer cache, that's how checkpoint can locate datafiles.

Answer / anil

check point is a process of db which runs for every 60
sec... when ever check point occurs all the processes of db
like log writer, db writer, smon, pmon will get
activated.......

in tms return code 247 is related to buffers i think so...
any body plz correct dis if it is wrong

Answer / raghu

return 247 in tms
GW_APPC_SERVER_DOWN
The data could not be sent from the SAP System to the gateway. Check that the gateway is running.


ckpt USED TO ENSURE THAT SYSTEM IS CONSISTENT THAT POINT OF TIME .is triggers for evry 60 scnds. it triggers LGWR/DBWR ENSURE SYSTEM IS CONSISTENT.

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