Since that time, SQL has become the dominant language for relational database systems. In recent years, frameworks and architectures have arrived on the programming scene that attempt to hide (or ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is an object-oriented Database? An object oriented database manages objects ...

Say what you will about Oracle, it certainly can’t be accused of failing to move with the times. Typically, Oracle comes late to a technology party but arrives dressed to kill. In the early 1990s, ...

Amazon Web Services (AWS) launched PostgreSQL on Amazon RDS, showing the strength of the open-source database and its market maturity. CTO Werner Vogels said onstage at the AWS re:Invent conference ...

SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

I urge our readers to have a look at the “Vietnam of Computer Science” by Ted Neward, which compares the quagmire of the Vietnam War to the current quagmire that results from our attempts to blend ...

If you want to take a copy of one table and make a copy of it in another schema (under another username), you can use the SQL*Plus COPY command, or a simple <code>"create table foo as select * from ...

Out of all the programming languages you need to learn in the IT industry, SQL is one of the most important. SQL is so integral to modern big data access and organization processes that it’s never a ...