Re: unload/load
Posted in 1998
Sadagopan, Sathish, CFCTR wrote: > > Hi, > 1) I have a table in a dedicated dbspace with many chunks in the > dbspace.Since there has a been a lot of activity on that table of late , I > want to free up the many holes in the dbspace and force contiguity of data.I > cannot do an 'alter fragment' since I do not have enough log space to > prevent a long.Tx. > Setting LTAPEDEV to null is ruled out since the system is online. > Unload will create a file >2GB, Is there a workaround to tide over this > apart from writing a program to > unload the table in parts to several files and loading them in one after the > other. > 2)In this case the table does not have any referential constraints , what if > the table has associated referential constraints , do all the associated > tables need to be touched ? > Does 'set constraints deferred' help ? How would it help if I unload to > several files and reload them ? > TIA, > Sathish Sadagopan > You could add some log space temporarily, in cooked disk if necessary, just to get this exercise thorugh, then drop it again. Setting LTAPEDEV to null has no relevance to getting a long transaction. Neil Truby aracnet Limited Weybridge, UK