2008-01-31
50 reads
Articles
2008-01-31
44 reads
Revenge of the BLOB
Working with large images or other BLOB data can be a challenge for many DBAs. Andrew Sears brings us some code that can help you extract some of that data out of BLOBs and get it back into a more easy-to-work-with format.
2008-01-30
8,462 reads
2008-01-30
1,207 reads
Designing High Performance Stored Procedures
Stored procedures can be an effective way to handle conflicting needs, but it's not always so obvious how to write them so they both perform well and scale.
2008-01-30 (first published: 2007-02-05)
10,708 reads
Featured Blog: SQL Server 2008: Partition-level lock escalation details and examples
Paul Randal of SQLskills takes a look at lock escalation in SQL Server 2008
2008-01-30
1,436 reads
Object Dependencies in SQL Server
In this video, Randy Dyess shows you how important SQL Server dependencies are and some of the faults with SQL Server 2005 with these. For example, SQL Server will allow you to create a stored procedure that points to a table that doesn't exist. He also shows you how this problem has been corrected in SQL Server 2008.
2008-01-30
6,718 reads
Importance of UPSERT
A simple UPSERT can reduce reads on tables. This in turn will increase the performance of a DB.
2008-01-29
12,276 reads
IT Transparency
How can IT get along better with the rest of the business? Often a SQL Server DBA isn't in charge, but you can influence others and make everything work smoother with a little effort. Andy Warren gives you some tips and tricks that have worked well in the past.
2008-01-29
3,484 reads
Problems In Building a Data Warehouse
Building a data warehouse usually isn't a small project, but somehow management sometimes sees it as something that can quickly eb done with a tool or two. Longtime DBA Janet Wong brings us a look at some of the problems you might face when getting ready to embark on this
type of project.
2008-01-29 (first published: 2007-03-05)
7,533 reads
Blogs
Cloud Data Driven User Group 2025 – Slides & Scripts
The slidedeck and the SQL scripts for the session Indexing for Dummies can be...
Leading Through Change: Guiding Teams in Times of Uncertainty
By Chris Yates
Change is not a disruption in technology; it is the rhythm. New frameworks appear,...
The Mystery of the Locked-Up Database -Scooby Dooing Episode 6
No Scooby-Doo story is complete without footprints leading to a hidden passage. In SQL...
Forums
Don't Forget About Financial Skills
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Building a Simple SQL/AI Environment
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Checking Identities
Comments posted to this topic are about the item Checking Identities
Question of the Day
Checking Identities
The DBCC CHECKIDENT command is used when working with identity values. I have a table with 10 rows in it that looks like this:
TravelLogID CityID StartDate EndDate 1 1 2025-01-11 2025-01-16 2 2 2025-01-11 2025-01-16 3 3 2025-01-11 2025-01-16 4 4 2025-01-11 2025-01-16 5 5 2025-01-11 2025-01-16 6 6 2025-01-11 2025-01-16 7 7 2025-01-11 2025-01-16 8 8 2025-01-11 2025-01-16 9 9 2025-01-11 2025-01-16 10 10 2025-01-11 2025-01-16The docs for DBCC CHECKIDENT say this if I run with only the table parameter: "If the current identity value for a table is less than the maximum identity value stored in the identity column, it is reset using the maximum value in the identity column. " I run this code:
DELETE dbo.TravelLog WHERE TravelLogID >= 9
GO
DBCC CHECKIDENT(TravelLog, RESEED)
GO
INSERT dbo.TravelLog
(
CityID,
StartDate,
EndDate
)
VALUES
(4, '2025-09-14', '2025-09-17')
GO
What is the identity value for the new row inserted by the insert statement above? See possible answers