Oracle is usually a dirty word in the SQL Server community, but like it or not, lots of data resides in Oracle databases. And SQL Server is often used to gather this data together in a warehouse of some sort for spinning cubes, generating reports, etc. Haidong Ji looks at the various methods that you can connect to an Oracle driver and compares the speed of each. If you need to get data from Oracle, or may need to, this is the place you want to start.
In the last tutorial in this series of Reporting Services tutorials we added conditional formatting to the report. Now that we have created our first report and have added a bit of flare to it, we will go ahead and make it even cleaner. In this very quick demonstration, we will go ahead and change the visibility of rows or columns based on given conditions.
We've been working on it over the years, trying to get some search engine that works. Well, we're trying a new one from Surfinity. Give it a try and let us know how it works. Read on for a few details about what we're using.
Once again it's taken longer than expected, but it's out! The second version in print and PDF of the best articles from 2003. Read about it and pick up a copy to support the site.
How many times do you need to estimate space for a new application? Or estimate growth for an existing one? We've had a new contribution to the freeware section of the site. Tablesizer will allow you to guesstimate how much disk space you'll need. Take a peek if you need it, rate the product and give the author any feedback you have.
Books on line has been updated since the release of SQL2000.
If you check the documentation for the sp_addlogin stored procedure and example E says
SELECT CONVERT(VARBINARY(32), password) then you should update your installation.
SQL Server showplan is a great tool for analyzing queries and determining whether or not more performance tuning needs to be done. However working with showplan can be confusing and it takes some practice to learn the ins and outs of what is occurring. Joseph Sack looks at showplan and seven of the main things that he is aware of when looking at the results. If you've rarely or never used showplan, this is a great article to get started in learning how an experienced DBA views the output.
In T-SQL you should use the IS NULL keywords to test for a null value. But David Poole runs into a strange gotcha in one of his applications where he is testing for a null value. It's an interesting read following Sherlock Poole around on his hunt to find an error.
SQL Server DTS is an amazing ETL tool. Parallel processing is not only possible, but author Leo Peysakhovich shows us how he does it in this article about his index rebuild process. By bundling DTS into SQL Server for free, Microsoft gave us a platform for not only ETL, but also many basic tasks that all DBAs are stuck working on. Read on to see if parallel processing of index rebuilds is something you can use.
Storing passwords in SQL Server for authentication by your application is a common practice. But not always a good one. Someone with access could easily see all passwords and perhaps cause mischief inside your application. Imagine the office gossip getting access to your HR application as the HR director! Not a good thing. Dinesh Asanka has written a short piece on how you can use a built in function in SQL Server to encrypt these passwords and use them with a minimum of effort.
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
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Comments posted to this topic are about the item Faster Data Engineering with Python...
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I have this code in SQL Server 2022:
CREATE SCHEMA etl;
GO
CREATE TABLE etl.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT etl.product
VALUES
(2, 'Bee AI Wearable');
GO
CREATE TABLE dbo.product
(
ProductID INT,
ProductName VARCHAR(100)
);
GO
INSERT dbo.product
VALUES
(1, 'Spiral College-ruled Notebook');
GO
CREATE OR ALTER PROCEDURE etl.GettheProduct
AS
BEGIN
exec('SELECT ProductName FROM product;')
END;
GO
When I execute this code as a user whose default schema is dbo and has rights to the tables and proc, what is returned? See possible answers