Most SQL developers hit a wall the first time they try to store a category tree or an organisational chart inside a relational database. Generally, flat tables handle rows well. But the moment you need to represent parent and childRead More
Trees in SQL – nested set modelAuthor: Joe Celko Rating: Visits: 61572 Discuss in NewsgroupsPage: The usual example of a tree structure in SQL books is called an adjacency list model and it looks like this:CREATE TABLE OrgChart(emp CHAR(10) NOT NULL PRIMARY KEY, boss CHAR(10)Read More
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Featured Guru March TOP 10 GurusNavin ShettyHELLO ALL I’m Navin Shetty, from a small town called Brahmavar, in Udupi dist in Karnataka state of INDIA. I’m a computer profession and working in Kingdom of Bahrain For European IT company Editec TechnologiesasRead More
Modern web applications use SQL to store, retrieve, and manage data inside relational databases. In practice, web applications rely on SQL databases whenever users log in, place orders, or update profile information behind the scenes. These systems follow structured rulesRead More
Microsoft introduced C# in the early 2000s, and the language quickly became popular in professional web development. Today, developers use C# for web applications, web services, desktop software, and large business systems across many industries. The language also supports cross-platformRead More
Building SEO and conversion optimisation into your web design from the start saves money and delivers better results. If you leave it for later, you’ll likely end up reworking things that should’ve been done right from the start. We’ve builtRead More
Brisbane businesses outgrow their first website when the business moves forward, but the site doesn’t. You launch with a basic setup, and it works for a while. But then your services change, your customers shift, and suddenly the site feelsRead More
A website generates ROI (Return on Investment) when it generates more revenue than it costs to build and maintain. However, that balance isn’t always obvious when hosting fees, security updates, content creation, and plugin subscriptions add up over time. InRead More