Replicating virtual machines with Oracle databases

Virtual machines are used in many organizations due to the simplicity of administration, especially in development environments.

This post will describe how to configure the new replicated machine to work with the Oracle database.

Rolling back TRUNCATE statements in SQL Server

There are two main ways to delete all records from a table – DELETE and TRUNCATE commands, but if we do, can we rollback the operation?

Oracle Datafile High Watermark

Datafiles in Oracle can be resized to a smaller size only if there are no used blocks at the end of the file. If there is a used block at the end of the file we will not be able to reduce it size even if the rest of the file is empty