Oracle NVL2 Function Explained with Examples

Oracle NVL2 FunctionThe Oracle NVL2 function is an extension of the NVL function and can be used to handle NULL values. Let’s take a  look at how it can be used as well as some examples.

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Book Review: Clean Code: A Handbook of Agile Software Craftsmanship

Book Review Clean CodeI recently read the book “Clean Code: A Handbook of Agile Software Craftsmanship” by Robert C Martin. In this article, I write my review of this book and what I thought of it.

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Oracle LISTAGG Function with Examples

Oracle LISTAGG Function with ExamplesThis article explains the Oracle LISTAGG functions, which is one of the more difficult functions to understand.

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3 Interview Questions Most People Are Not Prepared For

3 Interview Questions Most People Are Not Prepared ForEveryone knows about the common and much feared interview question that probes you for your greatest weakness, but what are some other questions that you might have to answer that can also make you sweat?

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How to Convert Data Types in Oracle SQL

How to Convert Data Types in Oracle SQLWhen using Oracle SQL, there are many ways to convert data types. Three of the most common data types are string (VARCHAR2), number, and date. Let’s take a look at how you can convert to these types.

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Is LinkedIn Premium Job Seeker Worth It?

LinkedIn Premium for Job SeekersIf you’re on LinkedIn, you may have heard of LinkedIn Premium. Is it worth getting, even if you’re a job seeker? Let’s have a look at ti in this article.

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Oracle CAST Function Explained with Examples

Oracle CAST FunctionThe Oracle CAST function is quite powerful, but it can be hard to use. Learn how to use it and what it can do in this article. Read more ›

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How To Find The Path To Your Ideal Job In The IT Industry

How To Find The Path To Your Ideal Job In The IT IndustryOne of the most popular questions that I’ve gotten on Complete IT Professional over the years is how do I become a <role>, where <role> is any kind of role in the IT industry. I’ve written a few articles on various roles, but this article will explain a method you can use for any role. Read more ›

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Oracle RPAD Function with Examples

Oracle RPAD Function with ExamplesThe Oracle RPAD function can be useful, especially when using it with the LPAD function. Let’s learn more about the RPAD function and see some examples in this article.

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What Is ITSM and What Does It Mean for Software Developers?

What Is ITSM and What Does It Mean for Software DevelopersHave you heard of the term ITSM? Do you have some vague understanding of it being some kind of service desk process? Well, there’s more to it than that. Learn what ITSM is and how it impacts you as a software developer in this article.

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