Hi Abraham >Now dump2, when I inserted 1000 rows, slots 1,2 and 3 were reused but >the space offset was not: [snip] >So, my question is: what happened to space from 0x1f94 to 0x1f88??? I >wanted to use bbed to see what kind of data is there... In this second dump, what are the values of fsbo, fseo, avsp, tosp? My guess is that you have plenty of free space in that block... HTH Chris -- //www.freelists.org/webpage/oracle-l