April 2, 2001

The ORA-01555 Error: A PL/SQL Developer Solution

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

Choosing the Right Backup in SQL Server

hen I started using SQL Server in version 4.2, backups were relatively simple. There were only two possibilities: a full backup or a transaction log backup. Starting with SQL Server

Roll Your Own Swing-based XML Editor (Part II)

Editor’s note: This is the second 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