Video:
Pt. 3 - Understanding What Really Happens (Internally) When a Page Split Occurs
Skill
level:
500 (Advanced)
Run Time:
10:45
Instructor:
Scott Whigham
Description:
This is the third video of a section of 5 highly advanced and extensive videos about page splits. This incredible video houses a variety of some phenomenal information. There is some SQL Server advanced knowledge required to get the most out of this video. You can expect to see the following items within this video:
- Introduction to SQL 2000's DBCC SHOWCONTIG() function with and without TABLERESULTS
- Proper breakdown of the IndexName utilizing the DBCC SHOWCONTIG() function
- Extensive review of the DBCC SHOWCONTIG() function output
- Explanation of DBCC deprecation in SQL Server 2005
- Introduction to SQL 2005''s Dynamic Management Objects (DM''s)
- Proper syntax for DM''s in SQL Server 2005
- Basic introduction to DB_ID() and OBJECT_ID() functions
- Detailed description of the DM results including but not limited to alloc_unit_type_desc,
- index_level, page_count, record_count
- Basic introductory definition of how clustered indexes must return data
- Page Split definition when working with clustered indexes accompanied with real
- world examples
- Introduction and explanation of the following DBCC results: bpageno, m_nextPage, m_prevPage
- Introduction to fragementation when page splits occur
- Advanced explanation of Page Splitting
Scott Whigham teaches us how to properly utilize different functions in SQL 2000 and 2005 when working with page splits. This video really finalizes the major functions and all of the explanations for page splitting. This is an extremely easy video to following and understand. Beginners should watch this video once now and once after you have had some further experience with SQL Server to get the full aspect of what is being taught here. All who watch this video will benefit from Scott''s excellent training skills.
NOTE: This description was written by one of our members, Wayne Leiser. Thanks, Wayne!
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Scott Whigham
Scott Whigham is the founder of LearnItFirst.com, one of the web's most extensive
video training libraries focusing on technical training. Scott is also an experienced
consultant, trainer, and author with more than a decade of hands-on experience working
with SQL Server databases, writing and debugging applications using Visual Studio,
and performance tuning. Scott designed the architecture (websites, class libraries,
and database) for the LearnItFirst.com websites and, most
re...
(Scott's full bio can be found here)
NOTE: This video is part of our
SQL Server 2005 Database Administration course.
This video is from Chapter
7:
Architecture: System Databases, System Tables, and SQL Server Internals