System column ctid as row identifier

In Oracle we have system column ROWID which something like “address of the row id Oracle datafile”. This ROWID is unique because beside of table and row signature it contains also signature of datafile. Oracle stores everything in big datafiles and have...

Analyze data file

So far I did not find any tool which could help me to analyze content of some table’s data file. And sometimes it is really useful even necessary to see what was in deleted records. Therefore I tried to decode data file using program in python. Simple version is...