When I\'m querying a table in schema C from schema A, I\'m getting ORA-01031: insufficient privileges and when I\'m querying the same table from schema B, I\'m
In SQL Developer: Everything was working fine and I had all the permissions to login and there was no password change and I could click the table and see the data tab.
But when I run query (simple select statement) it was showing "ORA-01031: insufficient privileges" message.
The solution is simply disconnect the connection and reconnect. Note: only doing Reconnect did not work for me. SQL Developer Disconnect Snapshot