The Transaction Log provides the means by which either the complete set of tasks of a database transaction are performed or none of them are. It ensures that , via rollback, only valid data is written out to the database, and it allows transactions to be played back to recreate the system state right before a failure. Robert Sheldon explains the various basic tasks involved in managing the transaction log.… Read more
The FOR XML clause in SQL Server causes a lot of difficulty, mainly because it is rather poorly explained in Books-on-Line. We challenged Bob Sheldon to make it seem simple. Here is his sublime response. … Read more
