Its essential that a DBA understands what happens when a snapshot is created. The following process happens, Database snapshots operate at the data-page level. Before a page of the source database is modified for the first time, the original page is copied from the source database to the snapshot. This process is called a copy-on-write… Continue reading How Database Snapshot Works
Tag: database snapshot
Database Snapshot
What is a Database Snapshot? * The Database Snapshot is a new feature that is available in Enterprise edition of SQL Server 2005. * It provides a read-only, static view of a database. * Multiple snapshots can exist for a single database on the same server instance as the database.
Pros and Cons of Database Snapshot
The following are the advantages and disadvantages of database snapshot.
Creating Database Snapshot
One of the exasperating things while creating a snapshot is that you cannot use SQL Server Management Studio (SSMS) instead you need to make use of T-SQL. I am creating a snapshot of the database Deepak as follows,
How to Delete a Database Snapshot
You cannot drop a database before dropping the snapshot created for the database. Now I have dropped the snapshot Deepak_snapshot_2030 created for the db Deepak. Refer the figure below illustrating how to drop a database snapshot,.