Who are these scripts for? You need to troubleshoot performance problems with SQL Server, and you need to do it now. You don't have time to track down a bunch of DMVs, figure out Extended Events, ...

Apple's Numbers spreadsheet for Mac, iPhone, and iPad, is not as powerful as Microsoft Excel, but most users will be hard-pressed to find its limitations — and will immediately see how much easier ...

After six months at his internship, polytechnic graduate Alden Chia, 20, earned $6,000. But of this income, he spent close to $4,500 getting certified in cyber security. Coming home from his ...

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...

Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even though we probably won't. For all its popularity and success, SQL is a ...

Columnar databases are a type of database that store data in columns rather than rows. This can offer significant advantages for analytical queries that need to scan large amounts of data and perform ...

In SQL, the "ROWS BETWEEN" clause is a powerful feature that allows you to define a window of rows for analysis or calculation within a query. By specifying a range of rows, you can perform ...

A database is an essential component of any modern application, providing a repository for storing and retrieving large amounts of information. Building a database can seem daunting, but it can be ...

In my last two articles, I looked at the Django Web application framework, written in Python. Django's documentation describes it as an MTV framework, in which the acronym stands for model, template ...

Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby. Sequel provides thread safety, connection pooling and a concise DSL for constructing SQL queries and table schemas.