Only if safety means a way to guarantee the uniqueness of a row (no duplicate rows).
The examples shows the different ways to do that, either using PK (always Unique but can be Clustered or non-clustered)
Why is this different from all of the other step by step guides? Because I make a living as a DBA and not as a writer and I lived through this experience.
Defining the name:
When I talk to people they say different names on this subject stuff l…
In this article we will get to know that how can we recover deleted data if it happens accidently. We really can recover deleted rows if we know the time when data is deleted by using the transaction log.
Using examples as well as descriptions, and references to Books Online, show the different Recovery Models available in SQL Server and explain, as well as show how full, differential and transaction log backups are performed