SQL (Structured Query Language) is used to communicate with the database. SQL is used to perform tasks such as updating or retrieving data in a database. Common database management systems using SQL - Oracle, Sybase, Microsoft SQL Server, Access, Ingres, etc. While most database systems use SQL, most also have their own add-ons that are usually only used on their system.
Sql
5 courses Added March 2026
Grokking SQL for Tech Interviews
The course will help you confidently prepare for technical interviews by studying the basics of SQL and 75 popular questions. Delve into the concepts and be...
Database Mastery: SQL to Prisma
Master key technologies with a practical approach! You will gain applied knowledge, clear explanations, and all the necessary tools to confidently master...16 minutes 3 seconds
Master SQL Queries From Basic to Advanced
The course is designed for developers, data analysts, and anyone working with databases. It covers the entire range of SQL queries - from basics to advanced...5 / 5
SQL for Data Engineers
SQL is the foundation for working with relational databases. And if you are planning to work in the field of Data Engineering, knowing SQL is not just a...1 hour 51 minutes
Effective Database Design
The course "Effective Database Design" will provide you with an action plan, examples, and instructions for creating a well-designed database.1 hour 3 minutes 56 seconds 5 / 5