Why is SQL the most important skill to learn?

All across the world, tech jobs are in huge demand. And it is not surprising at all since we’re living in the 21st century where technology has been fueling almost all types of industries.

According to a ranking report from the U.S News & World, the demand for software developer and data scientists is growing rapidly with each passing day. As a result, more and more people are showing interest in learning SQL and Python. Even Forbes counts these languages most in-demand skills for data analysis jobs that pay well. According to Glassdoor, the current average salary for a data scientist in the United States is $118,709 per year.

You will be glad to know that nowadays there are plenty of online platforms available that provide a complete guide on SQL and Python. Some platforms like Strata Scratch even helps you with SQL interview questions and answers. Strata Scratch has more than 500+ SQL and python technical questions taken from the top tech companies and Universities across the globe. Their study material is going to be a great help for those who want to prepare for their first SQL interview. They have put together top SQL interview modules covering basics of the SQL query, SQL Joins, filtering and conditions, select aggregations, having condition, and more.

Strata Scratch SQL course starts with the basics of the language and is parted into 3 categories – basics, intermediate, and advanced SQL guides. So, if you want to learn SQL right from the beginning, you will find this platform quite helpful. You can start practicing their modules for free here.

Now let’s find out why SQL is the most important skill to learn.

• SQL is one of the most universal and common used database languages. It powers some of the most powerful database engines like MySQL, PostgreSQL, SQL Server, SQLite and more.
• It is the most sought-after skills by hiring employers. On indeed.com alone, there are more than 35,306 SQL developer jobs available.
• SQL is not really difficult to learn, especially with the platforms like Strata Scratch. Since the most DB engines are compatible with all SQL codes, once you know how to work on SQL you can work across all other relational databases.

Who should learn SQL

• Data analysts
• Data scientists
• Data engineers
• Backend developers
• Mobile App developers
• Frontend developers
• Product managers

If you are planning to make your career in any of the above job profiles, it is important that you have sound knowledge of SQL. So, if you’re getting trouble finding the right platform where you can learn the SQL, try Stratascatch.

How to Prepare for SQL Interview Questions

Structured Query Language or SQL has been widely used in programming, designed for managing data stored in databases. The programming language helps in retrieving large amounts of records from a database more quickly and efficiently than traditional methods. Therefore, more and more organizations are hiring SQL developers to maintain their database applications. According to a report of PayScale.com, the median annual salary for an SQL developer was $72,343, as of April 2019. It simply indicates if you master all the SQL concepts, you can have a sound career in this amazing programming language.

If you have completed your SQL course, and now preparing for your first interview, here are some tips to be ready for SQL interview questions.

Clear Your Basics of SQL

No matter, for which SQL position you’re preparing, you should be ready for answering questions related to SQL fundamentals. Most SQL interviews start with basic questions such as:

• What is SQL, DBMS or RDMS?
• What are the tables and fields?
• Differences between SQL and PL/SQL?
• Difference between CHAR and VARCHAR2?

So make sure you’re prepared for these questions. Preparing beforehand with these basic SQL questions will help you get one step closer to your dream job.

Practice for Real SQL Questions from Top Tech Companies

Most interviewers would like to see your practical knowledge in SQL. They want to know how much knowledge you keep related to product management, data science, marketing, etc. Therefore, it is important that you are prepared for real SQL scenarios.

Strata Scratch is a renowned online platform brings opportunity for you to practice real SQL technical questions from top tech companies. They have more than 500+ SQL technical question to help you prepare for SQL and Python programming interview questions. To save your time and headache, they have researched and combined real interview questions from the top tech companies and universities that include Amazon, Uber, Facebook Stripe, Airbnb.

The good thing is you can start practicing for free. They offer lifetime membership to students who register with their .edu email address and choose their 4-month prepaid plan.

Show Your Skills and Experience

An interviewer may ask several questions to find out whether or not you are suitable for the job. As we mentioned above, most interviewers want to know everything about your skills, knowledge, and experience, you should try to give as many specific answers you can. Avoid generalizing and talking about very long things which are not important.

Take Follow up After the Interview

Doing so reminds the interviewer of your conversation and shows that you’re really interested in the position.

Preparing for your first SQL interview might seem intimidating but if you have been practicing for a long time with the help of a good online platform you can surely make a great impression on the interviewer.