November 2013
Intermediate to advanced
982 pages
34h 23m
English
book
Microsoft SQL Server 2012 Internals
by Bob Beauchemin Kalen Delaney Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez, and Paul S. Randal
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Table and index partitioning
As you’ve already seen when looking at the metadata for table and index storage, partitioning is an integral feature of SQL Server space organization. Figure 6-3 in Chapter 6 illustrated the relationship between tables and indexes, partitions, and allocation units. Tables and indexes that are built without any reference to partitions are considered to be stored on a single partition. One of the more useful metadata objects for retrieving information about data storage is the sys.dm_db_partition_stats dynamic management view, which combines information found in sys.partitions, sys.allocation_units and sys.indexes.
A partitioned object is split internally into separate physical units that can be stored in different locations. ...
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