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MongoDB “Lightning Fast Aggregation” Challenged with Oracle

What does “Scale” even mean in the context of databases? When talking about scaling, people have jumped to the vendor-induced conclusion that:SQL doesn’t scale NoSQL scalesIt ...
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Performance tuning – measure don’t guess

In my performance tuning career I have given the advice to measure and not guess more often than I can recall. And in many cases the target of this advice has given up after looking ...
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MongoDB Facts: Lightning speed aggregation

In my previous post, I demonstrated how fast you can insert 50 millions time-event entries with MongoDB. This time we will make use of all that data to fuel our aggregation tests. This ...
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Counting Distinct Records in SQL

The SQL language and its depths… Some of you readers might be aware of MySQL’s capability of counting distinct records through the COUNT() aggregate function. The MySQL documentation ...
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Transforming a server application to cloud application

On-premise products are architected and designed for server operating environment i.e., they are web-based applications. SaaS, on the other hand is a cloud application (an application ...
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The golden (broken) management approach

Golden and broken doesn’t certainly sound great concerning anything, but the management approach I going to write about should definitely ring some bell to your attention as a matter ...
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Attitudes of a Great Software Tester

In my previous post, I explained in my own words the “Attitude of a Great Software Developer“.  This post will focus on the testers.  Developers and Testers are two great ...
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Node.js Package Manager

Node.js standard packages and modules are installed through standard packaging application – called as Node Package Manager(NPM). NPM is the standard for packaging the node.js components ...
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Add LATERAL Joins or CROSS APPLY to Your SQL Tool Chain

The T-SQL dialect has known the powerful CROSS APPLY and OUTER APPLY JOIN syntaxes for ages. The SQL:1999 standard had introduced almost equivalent “lateral derived tables”, which ...
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Fun doesn’t mean compromising scalability

Today I read an interesting piece on InfoWorld about Meteor, Meteor aims to make JavaScript programming fun again. It is an interview with Matt DeBergalis, a co-author of Meteor, about ...
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