Do your developers really understand how to prevent injection attacks? Or scarier still, how many know what an injection attack is? Chris has some great examples of how sql injection works and how to prevent it.
2004-02-02
17,562 reads
As Chris points out, in most applications these days you end up having to go with optimistic locking, which presents a few challenges. Chris works through the list of options. If you're building web/disconnected apps and need anything besides last update wins, this one is for you.
2003-12-19
9,487 reads
Most of us know what it is, or do we? Chris works on a good definition and along with that, gets into a good look at the problems denormalization creates and talks about a pretty common form of it - the indexed view.
2003-12-02
12,287 reads
Chris was kind enough to take some time to put this product through it's paces and ends up giving it a very good rating. Read the article to see a nice graphical walkthrough of how to use the product.
2003-10-13
6,069 reads
Chris does a follow up to his very popular article on clustered indexes. They seem simple, but in practice they are fairly complicated. Having a solid understanding of clustered indexes will definitely help you get the results you need.
2003-10-08
8,592 reads
Chris discusses some issues he had trying to use SQL dates from within Java. Interesting stuff and brings up the point that if you have dates stored in local time, having users in multiple time zones can be a large headache.
2003-09-17
12,502 reads
Chris discusses questions raised by his first article on clustered indexes. Few subjects more important to master than clustered indexes, this is good reading!
2003-08-12
9,976 reads
2003-07-08
6,871 reads
Quite a while back Andy wrote an article about why not using primary keys and clustered indexes was a worst practice. Chris weighs in this week with a great article that gives some more in depth info on clustered indexes and why he thinks they should be used on every table.
2003-03-30
18,794 reads
In this article new columnist Christoffer Hedgate offers his advice on what performs better, COUNT(*) or COUNT(column).
2002-09-23
17,570 reads
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Hello team Can anyone share popular azure SQL DBA certification exam code? and your...
Comments posted to this topic are about the item Faster Data Engineering with Python...
Comments posted to this topic are about the item Which Result II
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