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SQL Resources

How to Learn NoSQL

When was the last time you sent a message through Facebook? Have you recently used a “smart” appliance at home? In both examples, databases are required to store information. NoSQL databases are commonly used in these cases.  NoSQL, or “not…

How to Learn MySQL

Have you ever wondered what happens to data that is collected by a website? Every time the front end of a website collects data, it needs a place to store it. This place is called a database.  One type of…

SQL OR and SQL AND Statements

The SQL OR statement returns records who meet one of many specified conditions in a WHERE statement. The AND statement returns records who meet all the specified conditions. Both clauses use the syntax: WHERE condition AND/OR condition…; SQL WHERE statements…

SQL IN: A Beginner’s Guide

The SQL IN keyword lets you select values that appear in a range of values. You can specify a query inside an IN statement to search for records whose column has a value in the result of a query. The…

Learn SQL Server: Courses, Resources and Tutorials

Working with a greenfield project means you are starting from scratch. It is common to be a part of a team that has to make the choice of what type of database to use. If having access to available data…

SQL Classes: Chicago’s Introduction to the Top Database Language

To work with data, you need more than just a functioning knowledge of Microsoft Excel and an eye for detail. There are some basic hard and soft skills that can help you get hired in most jobs. But what if…

SQL Constraints: A Beginner’s Guide

One of the great features of databases is that they can restrict the types of values stored in a particular column. This means that you don’t need to validate every value before you try to insert it into a database.…

How to Use the SQL INSERT Statement

Have you ever wondered how data is added to a database? Behind every record in a database is an INSERT INTO statement. Without this statement, databases could not store data! In this guide, we’re going to talk about what the…

What are Primary Keys and Foreign Keys?

When you’re storing data in a database, you need to have some way to identify each record that you are storing. Otherwise, it would be impossible to retrieve exactly the right record if it shared the same values as other…

SQL vs. NoSQL: Two Database Architectures Compared

If you’ve spent any time researching database architectures, you may have encountered the terms “SQL” and “NoSQL” and wondered what’s the difference between these two tools. It’s a great question, and one that many people new to databases often have.…

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