Accessing and manipulating databases has become one of the most highly sort IT skills in 2023. Learning an IT skill online will enhance your career as an IT person.
Interestingly, there are numerous online SQL courses for you to take in 2023. This article discusses issues bordering SQL courses as well as itemizes the best courses.
You will find answers to questions pertinent to this IT skill. See the table of contents below for the order of discussion.
Table of contents
- What is SQL?
- How Does SQL Work?
- Is SQL Enough to Get a Job?
- Is SQL worth learning 2023?
- Should I Learn Python or SQL First?
- How Can I Make Money From SQL?
- How Much Time Will it Take to Learn SQL?
- How Can I Learn SQL Online?
- Best Online SQL Courses to Take in 2023
- #10. Analyzing Big Data with SQL
- #9. SQL & Database Design A-Z™: Learn MS SQL Server + PostgreSQL
- #8. Building Basic Relational Databases in SQL Server Management Studio
- #7. SQL For Data Science
- #6. Oracle SQL: Become a Certified SQL Developer From Scratch!
- #5. SQL – MySQL for Data Analytics and Business Intelligence
- #4. Introduction to Databases and SQL
- #3. SQL for Newbs: Data Analysis for Beginners
- #2. The Ultimate MySQL Bootcamp: Go from SQL Beginner to Expert
- #1. 200+ SQL Interview Questions
- Best Online SQL Courses FAQs
- Conclusion
- References
- Recommendation
What is SQL?
SQL is an abbreviation that stands for Structured Query Language. It is a computer language that is used for storing, manipulating and retrieving data stored in a relational database.
People who are familiar with this programming language can elicit information from databases. Wikipedia explains SQL as a standardized programming language that is used to manage relational databases and perform various operations.
It is the most common language for extracting and organizing data. With SQL, you can insert, update, and delete database records.
How Does SQL Work?
SQL comes in different versions and frameworks. MySQL which is the most frequently used helps facilitate SQL’s role. With it, one can manage back-end data for web applications.
Basically, you need to run an SQL query to get started. When this is done, the query is processed by a query optimizer.
After it reaches the SQL server, it compiles in three phases: parsing, binding and optimization. While compiling in the parsing phase, it processes to check syntax.
The binding phase processes to check the query semantics. And the last phase process to generate the query execution plan.
Generally, SQL is used for:
- executing queries against a database
- inserting records into a database
- retrieving data from a database
- deleting records from a database
- updating records in a database
- creating new databases or new tables in a database
- setting permission on tables, procedures, and views
- creating stored procedures and views in a database.
Is SQL Enough to Get a Job?
Yes, with SQL certification and knowledge, you can easily land a job. IT skills are highly sorted at the moment.
So, you can secure most DBA jobs if you learn this computer programming language. Most companies will demand a degree in the computer science field, experience, and knowledge of their industry.
Others will demand appropriate certification and experience in the specific version of SQL used in the industry.
Also Read: Best Machine Learning Course Online For Beginners
Is SQL worth learning 2023?
An IT skill that can earn hundreds of dollars in a short period of time is definitely worth learning.
Sharpening your IT skills by learning SQL will fine-tune your analyses, visualizations, and modeling skills. For most companies, writing efficient and scalable queries is quite important.
So, companies that work with petabytes of data are willing to pay hugely for this skill. In fact, it is one of the recommended skills to learn
Should I Learn Python or SQL First?
Although both IT skills are quite essential in 2023, it is best to learn SQL first. It mostly forms the basis of what you may learn in R or Python.
Most data scientists on default must be able to handle SQL. So, if you are just delving into the career, it is best to start with the basics. Interestingly, SQL is very simple with relevant syntax.
This makes SQL easier to learn than Python.
See the 13 Best Python Classes Online for Beginners & Advance |
How Can I Make Money From SQL?
There are numerous ways you can make money with your SQL skill. You can work for a company or become a freelancer.
You also have the liberty to work as an SQL consultant. You can run an SQL-based company that helps other businesses run their database.
Finally, you can sign up for SQL jobs on talent sites and earn money either as a side hustle or full-time employment.
How Much Time Will it Take to Learn SQL?
Depending on how fast you learn, it could take about two weeks or months.
Average learners would learn within two to three weeks, while slow learners will need a longer time. Be certain that you master the basic concepts of SQL within the learning period.
To become fluent, you need to start using them effectively and in real-world scenarios.
How Can I Learn SQL Online?
You can learn SQL online from any reputable learning platform. Your best will include Udemy, Coursera, and some universities offering a program for it.
To learn SQL online, you must be very determined and committed to finishing your coursework. Also, you may have to part with some money and pass your screening tests to earn shareable certifications.
Best Online SQL Courses to Take in 2023
Learning SQL is an addition to your IT skills. Interestingly, you can learn these courses online.
We have listed out the best SQL courses online for you this 2023. In selecting the best courses online for SQL, we compared the course outline with the cost.
The more robust a course outline is at a cheaper rate, the better it is for you. So, cheaper courses that are all-encompassing will surely top our list.
#10. Analyzing Big Data with SQL
This beginner course is taught on Coursera. In approximately 18 hours, students who enrol for this course will learn basic knowledge of SQL.
The course outline covers a detailed overview of SQL SELECT and its related clauses. The course focuses on SQL engines Apache Impala and Apache Hive.
There are some hardware requirements for the VM, and it is assumed that learners have knowledge and experience in SQL before enrolling in this program.
The course gives free trial access and begins in February. The course outline covers:
- Orientation to SQL on Big Data
- SQL SELECT Essentials
- Filtering Data
- Aggregating and Grouping Data
- Combining Data
- Limiting and Sorting Data
#9. SQL & Database Design A-Z™: Learn MS SQL Server + PostgreSQL
This SQL course is not a beginner course. It explains advanced concepts like Indexes, writing SQL queries with multiple tables and joining them together.
Also, students would explore database design concepts e.g, normalization. It explains in detail the different types of joins alongside how to create basic SQL queries.
To make the most of this course, you must be conversant with both Microsoft SQL Server and PostgreSQL. Students will enhance their data analytics skills with real-world data science exercises.
Kirill Eremenko, Ilya Eremenko, Ligency 1 Team teaches this course on Udemy for $188.98
#8. Building Basic Relational Databases in SQL Server Management Studio
This guided project on Coursera has over 4, 917 students enrolled already. It is a beginner course that teaches basic SQL server management studio. Students will learn to build a simple query and deploy it in SSMS.
In an hour and five minutes, you will learn how to create and run SQL commands to create tables and columns.
If you complete the hands-on practices, you will surely get better at applying these basic concepts in SSMS in SQL Server classes. This course costs $9.99.
#7. SQL For Data Science
The primary aim of creating this course is to guide students to acquire proficiency in SQL. Online SQL course on Coursera allows aspiring data scientists to dig deeper into data analysis.
It has over 377 029 students enrolled already. And it is totally free. To get started, click on enroll now below.
The course outline covers the following:
- SQL Basics
- Retrieving and Selecting Data using SQL
- Calculating, Sorting, and Filtering Data with SQL
- Joins and Subqueries in SQL
- Analyzing and Modifying Data with SQL
#6. Oracle SQL: Become a Certified SQL Developer From Scratch!
Oracle is the most popular relational database. This course teaches how to create databases, tables, and stored procedures.
Students will learn how to write SQL queries and essential SQL concepts in the Oracle database, such as SELECT, INSERT, UPDATE, DELETE, ALTER statements, join, group by, where clause, and other functions.
The course is taught on Udemy, and it costs $108.98. To get started, click enroll now below.
#5. SQL – MySQL for Data Analytics and Business Intelligence
This Udemy online SQL course is best for learning technical and non-technical aspects of business intelligence and data analytics.
It explores accessing the central ideas of ecosystems, blockchains, and technologies. The course is created by 364 Careers and has enrolled over 138 726 students. It is available in English, French, and 7 more languages. This online SQL course costs $198.98.
In approximately 9.5 hours, you will cover the following:
- Database Management System- Basics
- Relational Database Management
- SQL’s Triggers, Locals, And Sequences
- Coding In SQL
- Creating A Database
- Working With Data Tables
- SQL Joins And More
#4. Introduction to Databases and SQL
This online SQL course costs $23.33 per month. It is 100% online and can be completed in 3 weeks if you study at least 2 hours every week.
Raspberry Pi Foundation teaches this course on Future Learn. And it explores how to use SQL to search and manipulate data.
Students who enroll for this course will gain insight into the primary keys and table relationships. The course also teaches how to create joins in searching multiple tables.
The final week of this course explores grouping and exporting data from databases. Over 17 778 students have enrolled. Click enroll now below to get started. The course outline will cover the following topics:
- What are databases used for?
- Why use a database or a spreadsheet?
- Create SQL statements to search a database
- The role of primary keys
- Add data using SQL statements
- Apply relationships to tables within a database
- Use joins in searching across multiple tables
- Group data in a database
#3. SQL for Newbs: Data Analysis for Beginners
This is one of the best SQL courses available on the internet. It is best for newbies who are looking at exploring SQL. David Kim and Peter Sefton teach this course.
They termed the course “a course you will finish. Over 67 813 students have enrolled for this course. And it costs just $148.98. The course outline covers the following topics.
- Analyze user behavior
- Find actionable customer/business insights
- Make data-driven decisions
- Measure and track marketing efforts
- Discover sexy marketing stats (e.g., 1 in 4 people love toast!)
#2. The Ultimate MySQL Bootcamp: Go from SQL Beginner to Expert
Individuals who have zero knowledge of the database can benefit from this course.
This online SQL course is a comprehensive learning program introducing learners to MySQL. It is a beginner’s course and takes approximately 20 hours to complete.
Colt Steel and Ian Schoonover teach this course on Udemy, costing just $108.98. You can get started by clicking enroll now below. The course covers the following topics:
- Create your database or interact with existing databases
- Write complex SQL queries across multiple tables
- Build a web app using NodeJS and MySQL
- Model real-world data and generate reports using SQL
- Answer company performance or sales questions using data
#1. 200+ SQL Interview Questions
If you want to work for a company, become a consultant, or be a freelancer on talent sites, this online course for SQL is best for you.
Basically, this course teaches SQL from an interview point of view. So, you gain deep insight into possible questions employers may ask.
Also, it exposes you to all you need to know in your quest for IT (SQL) skills. This course prepares you for your next interview and teaches you a lot about important SQL concepts.
If you love to satisfy your curiosity, enroll for this course now. Interestingly, it costs just $108.98. That is a peanut to the value it offers.
At the end of this course, you will be able to refresh your SQL knowledge and will be in a position to answer the most commonly asked SQL interview questions.
Best Online SQL Courses FAQs
The certification course best for SQL in 2023 is SQL – MySQL for Data Analytics and Business Intelligence
The best SQL depends on what you’re in search of. Analyzing big data with SQL, Foundations for big data analysis with SQL are some of the best courses on Coursera.
Most beginner courses take approximately 9.5 hours to complete. However, if you study at least 2 hours every week, you should learn in two to three weeks.
Yes, you can learn SQL in 3 days. Maybe not mastery. But in 2-3 days you should know the commands and their usages.
Code academy, datacamp, and Khan Academy provide interactive, hands-on methods for beginners to practice SQL for free.
Conclusion
Learning a new IT skill in 2023 is a great way to start the year. SQL is one of the most highly sort skills. Interestingly, you can learn this IT skill online.
Read this article to find the best online SQL course for you. Simply click the enroll now button to get started.
References
- Hackr.io Best Online SQL Courses
- Thinkful.com – How Long Does it take to Learn SQL
- Wikipedia: SQL
- Tutorial Point.com – SQL Overview
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