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Poor SQL Server Programming!
Over the past 6-7 years, I have seen companies sell custom software that
costs thousands of dollars and are the most poorly written applications. For example, we (the company I used to work for) paid $60K from a company for specialized software targeted for data processing centers that transmits and receives files from a Windows NT/W2K server for both new and legacy type protocols. This software originally use SQL Server 6.5, and later 7.0, and finally 2000. Unfortunately, the company sold this software to us before I had a chance to review it. One of my biggest pet peeves is the over use of the System Administrator account known as "SA". For those not familiar with SQL Server and "SA", this is the default administrator account that Microsoft provides when SQL Server is installed. That's right. This software used "SA" to access the backend SQL Server database. It also required a blank password. Now, before you go blaming Microsoft for having this as a default option--any DBA worth their salt would think to change this password. So don't get me started on that band-wagon... OK, "SA", big deal you say.... simly change the username and password that the application uses and restrict permissions, right? Well, Not exactly. Unfortunately, the developer hard-coded the username and password within his connection string in the application. That's right. I couldn't change this even if I wanted it. It took about 3 months for them to recode their software and give me a new release for this to work. Now -- if this would have been a $30 application, I probably wouldn't have been so upset. But we paid over $60K for this software!!! Is this what I should begin to expect from any/all software developers that use SQL Server? My thoughts are these: 1) The developer typically designs application on his personal PC which is usually Administrator. This provides full access to file system, registry, etc. 2) Since SQL Server is typically installed with default options and not changed, this is what the developer begins to use when writing his software. 3) Virtually every computer book that discusses SQL Server programming usually uses "SA" username as the example. I assume this is because it is much easier to teach the reader to use something that is already there versus telling them how to create an application user or how to use an application role within SQL Server. 4) Applications have gotten overly simple to use due to all the wizards and shortcuts that my grandmother could almost figure out how to use it. This results in people calling themselves a DBA when they no virtually nothing outside of the point-and-click mode. Where are the days when programmers had to know the platform that they were designing? Now days, programmers are not called programmers.... they're called developers. One is no longer writing software in COBOL or FORTRAN any more. They right software using a variety of tools and multiple languages. Most developers now days have to know many different languages and applications just to design an application. It is not uncommon for someone to need to know Perl, C, VB, Java, SQL Server, NT, Networking, and Linux just to write a decent application. Please don't get me wrong. There are many applications that don't require all this knowledge and and the same time, there are many highly quialitified programmers that know all this stuff. My biggest beef today is the over zealous developer that really doesn't know enough of anything. Many use wizards to write SQL statements and have no knowledge of indexes. Many have poorly created SQL statements that return too much data... Many don't understand networking and the OSI model of network applicaiton programming.... |
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