SQL Server Integration Services has changed the ETL process dramatically with many new capabilities. It's extensibility is unmatched, allowing you to build workflows that were not possible in DTS. Dinesh Priyankara brings us a useful new technique for referencing your .NET assemblies from within SSIS to take advantage of code reuse.
2007-08-21
12,720 reads
One other use of the new CLR integration in SQL Server 2005 is the ability to create user defined data types using managed code. Author Dinesh Priyankara brings us a first look at this capability with some code you can use.
2007-05-25 (first published: 2005-08-02)
35,980 reads
Dinesh did a little research on nulls and was kind enough to package it up for us. How many of you know or use NULLIF? Or COALESCE? Handy stuff!
2004-03-18
10,185 reads
This article is for developers (and is in C#), looks at how you can avoid requerying by storing data in a hashtable. Mainly code, but you may get a good idea or two from it.
2004-02-25
6,990 reads
This article demonstrates that one way to optimize the data access portion of your app is to do the query once and cache the results. This is not advanced caching just something to get you started thinking about the possibilities.
2004-02-10
7,881 reads
Dinesh is back with another article on user defined functions, giving some more great examples. If you haven't read the first one, definitely go back and read it first.
2003-07-14
7,116 reads
UDF's are useful if somewhat tricky. Dinesh uses a common scenario where you have a self referencing table (the common example is an employees table where each employee has a managerid that links to another employee in the same table) to illustrate how a UDF can make querying easier, how to use it as the basis of a computed column, and how to index that column.
2003-06-18
12,326 reads
Dinesh does a good write up on research he did investigating the BI market and doing a feature comparison between Oracle 9i and SQL 2000. Simple bullet point format, worth a look.
2003-05-19
19,311 reads
There may be more ways than you realize to determine the version and service pack of SQL Server. This quick article by Dinesh Priyankara will show you 3 of those methods.
2003-02-28
22,205 reads
Ever wanted to know how to reuse identity values after they're deleted? In this example by Dinesh, he shows you two methods to reuse the wholes in identity rows.
2003-02-18
8,772 reads
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We have this code that sets some status values and then queries them using the CHOOSE() function in SQL Server 2025.
CREATE TABLE Status
(
StatusID INT,
StatusDescription VARCHAR(20)
);
GO
INSERT dbo.Status
(
StatusID,
StatusDescription
)
VALUES
(0, 'Uncategorized'),
(1, 'Active'),
(2, 'Inactive'),
(3, 'Temp');
GO
SELECT CHOOSE(StatusID, 'Unknown', 'Active', 'Inactive', 'Temporary')
FROM Status;
When the SELECT runs, what is returned? See possible answers