T1,T2 have values, T3 is null. when I insert 21 rows record into table, call the OCI_FetchLast() and OCI_FetchFirst(), the 21 row record get the 20 row record result. But in oracle 11g client and 12c ...

This prevents me from testing some new tables and columns, which have names longer than 30 characters. Is it possible to upgrade the base Oracle version to 12.2? I tried upgrading the image in Rancher ...