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Why do I split SQL Server into multiple files?
I can think of couple of reasons: We have the IO bottleneck on the IO subsystem, by split the files and place them to the different disk can improve the IO performance. We want to separate the certain Index to the different files so if we do need to perform the index maintenance, it wont impact other data as much.
How to split a file group into multiple data files?
In this example, the desired goal is for the original file in the filegroup to be 1/4 th its original size and have a total of 4 files of equal size in the filegroup. In order to do this, we need to add 3 new data files to the filegroup that are each 1/4 th the size of the original data file.
How to break an existing single database file into?
As you load data you can seed some known values into the tables at different places while loading up the tables with random values. This will let you run some test queries if you are interested in them.
Can a database have more than one core?
The concept is much like setting up tempdb with 1 file (up to 8) per core. Since most people don’t think about using multiple files for databases until they have grown large enough to be a problem, I think that most don’t realize that breaking up a database can be done at any time, you just need to have enough space for new files.
What’s the problem with having multiple database files?
A big part of the problem is disk I/O, which we’re addressing by retrofitting a SSD-based array. As all database files will be on this new array, the consensus is that having multiple database files won’t make any difference, but that splitting the table up into separate tables might be the way to go.
Why is it important to use partitioning in a database?
Essentially, they do what you described as a manual process in the background. Partitioning makes large tables or indexes more manageable, because partitioning enables you to manage and access subsets of data quickly and efficiently, while maintaining the integrity of a data collection.
Are there partitioned tables in SQL Server 2008 R2?
Within the Enterprise Edition of SQL Server 2008 R2 you would have the possibility to use Partitioned Tables. Essentially, they do what you described as a manual process in the background.