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Transact SQL Tutorial: Pt. 2 - How Transactions and Locks Affect UPDATE and SELECT Statements

   Chapter: SELECT, INSERT, UPDATE and DELETE - Data Manipulation Language
Download! Skill Level: 300 (Intermediate)
Duration: 8:45
Size: 6.46MB
Versions/Editions Covered: SQL Server 2005 , SQL Server 2008 , SQL Server 2000
Added/Updated: Apr 19, 2007

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This video hosts the part 2 video on the opening and closing transaction statements when working with the UPDATE STATEMENT for the 4 part video series on the Data Manipulation Language (DML) UPDATE STATEMENT.The video starts off with the introduction to how transactions work and affect the UPDATE STATEMENT in SQL SERVER. Scott Whigham teaches us proper utilization of the combination of SELECT and UPDATE STATEMENTS.

Included within this video are common real world error examples and how to prevent these errors. Scott does a brilliant job of showing exactly why transactions in SQL SERVER are a must and proper ROLLBACK and COMMIT syntax. As we all have come to expect in Scott's teachings, this video does not just stop at simply teaching you about the UPDATE STATEMENT but also continues teaching you about the following:
  • DEFAULT DML STATEMENT
  • Open and Completed Transaction Statements
  • Introduction to IF and ELSE statements within Transactions.
  • Properly beginning and Committing Transaction Statements
  • Introduction to the @@TRANCOUNT statement
  • Real world examples with and without transactions.Introduction to Locking in SQL SERVER 2005.
  • Real world examples utilizing different users when working with transactions and locking.
This video is a great video to add to anyone's collection. You can utilize this video if you are beginner or if you are an experienced programmer just looking for reference material.

NOTE: This video description was written by one of our members, Wayne Leiser. Thanks, Wayne!
Tags for this video: @@TRANCOUNT DML IF and ELSE Locking T-SQL Transact SQL transact-sql Transaction locking TSQL UPDATE STATEMENT UPDATE syntax  
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This video is part of the following video series: "An Overview of the UPDATE Statement"
This series will demonstrate to you how to utilize proper syntax and rules when working with the UPDATE statement.

Highlights:
  • Introduction and Explanation of the three SQL Language Classifications
  • DEFAULT DML STATEMENT
  • Open and Completed Transaction Statements
  • Introduction to IF and ELSE statements within Transactions.
  • Proper utilization and syntax with the UPDATE STATEMENT and SET COMMAND.
  • Common Errors in real world uses of SELECT and FROM statements and how to rectify those errors
  • Introduction to JOINS and UPDATES
To view all videos in this series, click here

About the Instructor:
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 Whigham's full bio can be found on the About the Author page)

   
 
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9/8/2008 8:42:35 AM