what is the difference between dbcc checkstorage and other
dbcc commands
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Answer Posted / jayakumar
1.dbcc checkstorage runs checks against the database on
disk. If a corruption is only in memory, dbcc checkstorage
may not detect the corruption. To ensure consistency
between two dbcc checkstorage runs, run checkpoint before
running dbcc checkstorage. However, doing so can turn a
transient memory corruption into corruption on disk.
2.dbcc checkstorage checks the entire database, including
unused pages, so execution time is relative to database
size. Therefore, when you use dbcc checkstorage, there is
not a large difference between checking a database that is
nearly empty and checking one that is nearly full, as there
is with the other dbcc commands.
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