5 Tips for Becoming a Better Data Modeler
5 quick tips to help you become a better data modeler and increase your value to your team and organization.
2008-02-19
12,037 reads
Troy Ketsdever
Toward Integrity Part 5
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
2008-01-03
2,857 reads
Toward Integrity Part 4
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
2007-12-27
3,044 reads
Toward Integrity Part 3
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
2007-12-17
3,471 reads
Toward Integrity - Part 2
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
2007-12-10
3,071 reads
Toward Integrity - Part 1
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
2007-12-03
4,874 reads
Find maximum values for all "int" columns
/******************************************************** "CheckAllInts" Find all columns in all user tables in a database defined as "int", and get the maximum value for the column. Uses a cursor and logs the results to a table. (One-time CREATE TABLE statement at top of script). Successive runs over an appropriate period of time would allow one to find how […]
2005-04-11 (first published: 2005-03-23)
342 reads
2005-03-28
1,772 reads
An Identity Crisis
SQL Server includes autonumber of identity columns despite the fact that they are not SQL-92 compliant. There is quite a bit of debate over the use of them in your database, but if you do decide to use them, you should be aware of potential problems. New author Troy Ketsdever brings us a story about his identity crisis and how it was solved.
2005-03-23
10,248 reads
2005-03-21
1,617 reads
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Question of the Day
Multiple Values Inserted
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers