
SQL is an essential tool for many professionals: developers, marketers, testers, analysts, etc. Ability.
What is SQL
SQL or Structured Query Language (Structured Query Language) Is a programming language designed for data management in DBMS (Database Management System). All modern DBMSs support SQL.
Where SQL is used
SQL language is used in any program and any site where you work with databases. SQL is a link that ensures that an application or site interacts with the database and the information stored there.
Developers use SQL to ensure application functionality, testers use it for manual and automated testing. Analysts can not live without SQL at all – it is one of the main tools in their work. As well as a data scientist and data analyst!
The SQL language expresses all actions that can be performed on data. What can be done with SQL:
- Creating data tables;
- Receiving, modifying and storing data;
- Perform calculations;
- Ensure data protection;
- DBMS server administration.
If you are planning to work in IT, you can not do without SQL knowledge.
Basic SQL statements you need to know
Briefly list the SQL statements that I recommend you to study first because. They are the foundation. You can use this list as a checklist to track what you have already learned and what you still need to learn:
- Select
- Choose a different one
- Display databases
- Creating a database
- Drop the database
- Where
- Use
- Source
- Show tables
- Drop the table
- Create a table
- Describe
- Insert
- Update
- Delete
- ᲓᲐᲯᲒᲣᲤᲔᲑᲐ ᲓᲐᲯᲒᲣᲤᲔᲑᲐ
- Having
- To order
- ᲨᲝᲠᲘᲡ
- LIKE
- IN
- Join
- Website
Free SQL Courses for Beginners
There are many courses in the education market, online and offline that teach SQL, but we have chosen to focus on free courses as they are well suited for beginners. After getting into the essence with the help of free resources, you can independently decide whether you need to improve your knowledge in paid courses, if your level is sufficient for the time being. Click on the course name for more information.
SQL for beginners
To access free video tutorials, you just need to register on the site. The course will be an excellent foundation for the novice specialist.

MySQL course from scratch
According to the course developer, a developer who is excited about VKontakte, “Once completed, you will be able to independently create databases and write 90% of the SQL requirements required by the developer.” Tempting!

SQL and PostgreSQL course for beginners
This is not a 100% free course, only the first three lessons are open access and the rest is available by subscription. But the subscription costs 90 rubles a month and it’s almost nothing, so we could not have added this course to the selection.

SQL Tutorials for Beginners
Lesson 8 with practical assignments. The tutorials themselves are posted on YouTube, but the program website also has textual explanations + links to helpful sources.

SQL Basics for Beginners
A short course that you can master in 1.5 hours. Here is a summary of the most important concepts and terms for beginners to get into SQL.

Interactive SQL Trainer
Excellent course focused specifically on the practice of creating SQL requests. But the theoretical basis is also given here.

Additional resources for learning SQL
In addition to courses, SQL can be learned from other open sources. What we offer:
Open YouTube
- “SQL Tutorials for Beginners” on GAUS Channel
- “SQL Access for Beginners” on the Microsoft Access Tutorials channel
- “Course in SQL, Databases, Oracle” on Prime Soft channel
- “Video tutorials on SQL and basics of relational databases using the example of SQLite library” on Kirill Antonov’s channel
- “Learning SQL Programming” on Peter Radko Channel
Check out the bookstore
- Learning SQL. Alan Bull
- SQL. Complete guide. James R. Count, Paul n. Weinberg, Andrew J.. Opel
- For SQL Dumas. Allen Taylor
- SQL. A collection of recipes. Anthony Molinaro
- SQL: Language Learning Guide. Chris File
Go to textbooks
- Interactive SQL lesson
- HTML Academy lesson
- SQL Manual
Do not forget to add SQL property to your Summary After completing the course!
source: i can choose
0 Comments
Any Queries , You May Ask