Category: Database

  • Automate Testing: Gitlab, Dotnet

    I always want to test my .NET based application on my personal Gitlab based repo. But since, my old project is too much a mess to do the effort for. So, when we got to rewrite the whole project, I was happy to get my experience on Unit Testing with automation of CI. I still […]

  • Experience with BitBucket CI

    I have been using bitbucket for quite sometime, and really like their service. Recently, I come to know that they have Beta of CI through pipeline, that can run any docker from Docker hub. I thought to give it a try though I have my own build setup on my local machine and really don’t […]

  • SQL Update if Record Exists or Insert

    Quite often we need an approach where we need to Insert record if it is not already present. Sometime to manage relationship. There are few different way of doing it, like “If Exists”, or “Insert on Duplicate Key” (mysql) but the best I found is one from MSDN Blog Entry ( http://blogs.msdn.com/b/miah/archive/2008/02/17/sql-if-exists-update-else-insert.aspx) The approach is […]

  • Installing Redmine 2.3.3 on Ubuntu 13

    Okay, today I install Redmine on Azure hosted Ubuntu 13.04. The steps are easy once I get it done after 2 days of working and finding what is right to do. So, let us start on installation, but a little history first. I see that Bitnami has put quite a few Redmine VM Images on […]

  • Advance SQL: Finding Hierarchical data using Recursive CTE

    Often we have a Table that store Hierarchical data, such as any shopping cart will have product category in table that store parent table within same table. We often use such information. The typical structure of table is ID, Name , ParentID Where ParentID is ID within same table or for Top level it is […]

  • Reading Large Binary Files: Child Play

    Yes, that was funny title, but after your experience it you will agree to me. So, here is the story. I have been working on a software that read some recording from hardware device to database, we have 45 records per second for 30 days, so it is about 30x24x60x60 record entry with 45 columns […]

  • Database Optimization

    Well, most of program use database for their web application. Eventually all web application does have database. But how many of those web application really works good. Well quite few. I am in web programming for more than 7 years now and during these years I have seen lot of developers building website using PHP […]