Christina Kopecky

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Christina Kopecky is a technical writer at Career Karma where she focuses on JavaScript, React, HTML and CSS coding tutorials.

SQL Having

SQL has different types of operations used to make queries to a database. SQL’s HAVING statement works like a subquery on top of an initial query. It works well when you have an overwhelming amount of entries that have one…

SQL – Contains

There are many SQL statements and functions to query your database and retrieve or figure out useful information. One such function is the CONTAINS() function. This particular statement is not a standard SQL function – depending on which database you…

How to Build a Query Using the SQL Concatenate Function

When working with queries, sometimes we need to take raw data from our database and reformat it in a different way for use elsewhere. In this article, we look at a couple of functions in MySQL to help us work…

How to Create a Github Profile README Using Markdown

Github gives us the opportunity to personalize our profile – the page where our pinned repositories are – with a custom README.md that introduces who we are as developers. In this article, we take a look at steps to create…

Learn to Code: How to Get Started

The tech industry has never been bigger. Pretty much everything we interact with from day to day relies on computers or technology in some form. If you’ve decided to start to code with the goal of making it a career…

JavaScript: Object.values()

There are several ways to access various parts of an object. The Object.values method exists to grab only the values from an object, pushes them into an array, and returns that array.  The Syntax The values method takes in the…

JavaScript Operators: Comparison and Equality

We first encountered operators when we were children learning arithmetic in elementary school. Operators are the symbols in between two operands. In web development, we use operators to compare two values to determine if an expression is true or false.…

JavaScript: Capitalize First Letter of Each Word in a String

There’s many beginner-friendly code challenges that will help you to start thinking more like an engineer. One such challenge is one where you capitalize the first letter of every word in a given string. In this article, we’ll take a…

SQL Comments Using Single- and Multiline Comments

There are two types of comments in SQL statements: single-line and multi-line. We’ll take a look at these in our article with an example of each and discuss why we might use comments When we make comments in our code,…

How Is SQL’s Not Equal Operator Used?

The SQL not equal operator is a comparison operator that is used to find rows in a relational database. In this article, we’ll take a look at how it’s used. The Syntax Let’s take a look at a typical query…

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