SQL Server – Login Failed, cannot open user default database
Each login in SQL Server has a default database associated with it. When you login to SQL Server context is...
2013-01-07
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SQL and Me
SQL Server – Skipping Function Execution when parameters are NULL
You can avoid executing a function when NULL values are passed as parameters. To achieve this you need to create...
2012-12-28 (first published: 2012-12-19)
4,107 reads
SQL Server – DDL vs. DML Triggers
Although, DML and DDL triggers are used for different purposes, there are some similarities and differences between these.
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2012-05-28
1,624 reads
SQL Server – Check SQL Agent Job History using T-SQL
To check SQL Server Agent Job History you can use the Log File Viewer from SQL Server Management Studio.
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2012-05-14
2,826 reads
SQL Server – Purging Database Mail History
SQL Server stores all mails and attachments in msdb database. To avoid unnecessary growth of msdb database you should remove...
2012-05-10
1,236 reads
SQL Server – Four-part object names
Generally it is considered good practice using two-part names for objects. It make the code more readable and avoids confusion...
2012-04-30
3,132 reads
Run SSMS as different Windows user
When connecting to a server from SSMS using Windows Authentication, you are limited to using only user which you used...
2012-04-23
2,410 reads
Microsoft Certified Solutions Associate – SQL Server 2008 Core / Windows Server® 2008
Yesterday, I received two mails from the Microsoft Certification Program Team about two new certification earned:
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2012-04-18
1,705 reads
Importing data from Excel – using INSERT statements
You can easily import data from an Excel file to SQL Server using SQL Server Import and Export Wizard. However,...
2012-03-29
3,304 reads
Exporting data to CSV file using SQLCMD/BCP
When it comes to exporting data there are different options available in SQL Server, such as SQL Server Integration Services,...
2012-03-27
4,802 reads
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I'm building ETL packages in SSIS. My data comes from an OLE DB Source...
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Simple delete causes table scan on other tables with foreign key
Why is sql doing a full scan VS seeking on the index? I've included...
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