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  • How to calculate barcode check-digit using T-SQL language

    Introduction In order to scale, it's imperative that companies stay ahead of competition. So how can they identify, store, manage and deliver goods to customers efficiently? The answer is: Barcode! A barcode is the graphical representation of a sequence of numbers and other symbols. The representation is made by lines (bars) and spaces. A barcode ...
    Posted to Sergio Govoni (Weblog) by Sergio Govoni on June 23, 2017
  • PASS AppDev Recording: “Building REST API with SQL Server using JSON functions”

    Last week Jovan Popovic (SQL Server Program Manager for JSON support and other nice things) delivered a very interesting webinar on JSON and SQL Server / Azure SQL for the PASS Application Development Virtual Group. If you’re interested in the subject, here’s a couple of links that will make you happy: Full recording is on PASS Development ...
    Posted to Davide Mauri (Weblog) by manowar on April 30, 2017
  • PASS Application Development Virtual Group

    I've been involved with PASS, once named Professional Association of SQL Server users, now just...PASS, since 2006 when I stepped up as president of SQL Server Italian User Group. Now that I moved to Redmond, WA, I'm still involved with it, but of course, I'm not leading the Italian User Group anymore. Since I do really think that community ...
    Posted to Davide Mauri (Weblog) by manowar on April 11, 2017
  • The biggest table in your database

    You may need to know which is the biggest table (in terms of disk space usage) in the database that you are currently connected. Sometimes, this information is very useful to check the indexing strategy of these tables. There are several methods to know which is the biggest table of a database, one of these methods is to use the standard ...
    Posted to Sergio Govoni (Weblog) by Sergio Govoni on February 11, 2016
  • Normalization and How to Know When You Are Done… The short version…

    A while back, I was working on a short article about Normalization for a book that never got published (admittedly I wasn’t getting paid for the article, and it wasn’t for charity, so I wasn’t that broken up over it.)  The task at hand was to, in 2 pages or less, describe the process of normalization and help you to know when you have ...
    Posted to Louis Davidson (Weblog) by drsql on May 29, 2011
  • Performance-Driven Development

    I was reading a blog yesterday about the evils of SELECT *. The author pointed out that it's almost always a bad idea to use SELECT * for a query, but in the case of SQL Azure (or any cloud database, for that matter) it's especially bad, since you're paying for each transmission that comes down the line. A very good point indeed. This got me to ...
    Posted to Buck Woody (Weblog) by BuckWoody on May 11, 2010
  • PowerShell PowerPack Download

    I read Jeffery Hicks’ article in this month’s Redmond Magazine on a new add-in for Windows PowerShell 2.0. It’s called the PowerShell Pack and it has a some great new features that I plan to put into place on my production systems as soon as I finished learning and testing them. You can download the pack here if you have PowerShell 2.0. I’m ...
    Posted to Buck Woody (Weblog) by BuckWoody on April 7, 2010
  • Using linked servers, OPENROWSET and OPENQUERY

    SQL Server has a few mechanisms to reach out to another server (even another server type) and query data from within a Transact-SQL statement. Among them are a set of stored credentials and information (called a Linked Server), a statement that uses a linked server called called OPENQUERY, another called OPENROWSET, and one called OPENDATASOURCE. ...
    Posted to Buck Woody (Weblog) by BuckWoody on March 16, 2010
  • It’s OK to take a Shortcut Sometimes

    I was working this weekend with a fairly simple Excel spreadsheet, and I had to decompose one cell in it out to three columns in a SQL Server table. There are tools within SQL Server Integration Services (SSIS) that should be able to do that, but I just couldn’t find my way around them properly. I’m not as familiar with SSIS as I would like to be ...
    Posted to Buck Woody (Weblog) by BuckWoody on March 8, 2010
  • Lessons from Volunteering

    Saturday I volunteered at a work-day at our church. Our building is one of the first buildings built in this area of Washington, so it’s a beautiful old structure, which of course means there’s lots of maintenance. I’m fairly decent with tools, I’ve done some woodworking in my day, and I’ve even rebuilt a car or two. But working on a structure ...
    Posted to Buck Woody (Weblog) by BuckWoody on February 23, 2010
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