Backup is extremely important for any DBA. Think of any disaster and backup will come to rescue users in adverse situation. Similarly, it is very critical that we keep our backup safe as well. If your backup fall in the hands of bad people, it is quite possible that it will be misused and become serious data integrity issue. Well, in this blog post we will see a practical scenario where we will see how we can use Backup Encryption to improve security of the backup.
An email from an old college friend landed my mailbox about UPDATE FROM SELECT Statement with Condition:
“Hey Pinal,”
I have two tables. I want to conditionally update data in one table based on another table. How can I do that. I have included sample scripts and an image for further explanation.
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