Editor’s note: This is the first of a three-part series about how to build your own XML editor. f you’ve been looking for a cross-platform, open-source XML editor, you’ve likely
he “ORA-01555 snapshot too old” error, which causes user transactions to fail, is a nightmare for Oracle DBAs and developers. It usually occurs after queries or batch processes have been
t is very common to encounter situations where users need to query a database directly. Even though you’ve created 100 reports in a given application, there will always be the