Introduction to SQL - Certification
Free Course SQL
SQL is the most common language for extracting and organizing data that is stored in a relational database.
A database is a table consisting of rows and columns. SQL is the language of databases. It facilitates the retrieval of specific information from databases that are then used for analysis.
Even when the analysis is done on another platform like Python or R, SQL would be needed to extract the data it needs from a company database.
There are different versions and frameworks for SQL, the most used is MySQL. MySQL is an open source solution that helps ease SQL's role in back-end data management for web applications.
Companies like Facebook, Instagram, WhatsApp, etc. they use SQL for back-end data storage and processing solutions. When an SQL query is written and executed (or parsed), it is processed by a query optimizer.
What is SQL used for?
Now that we understand what SQL is and how it works, let's try to see what SQL can do. This programming language has various uses for data analysts and data science professionals. It is particularly useful because it can:
- Run queries against a database
- Retrieve data from a database
- Insert records into a database
- Update records in a database
- Delete records from a database
- Create new databases or new tables in a database
- Create stored procedures and views in a database
- Set permissions on tables, procedures, and views
Introduction to SQL
Learn SQL (Structured Query Language) and develop a working knowledge of the leading programming language for relational database management systems.
The Introduction to SQL course will cover important topics such as MySQL, PostgreSQL, and SQL Server, built-in SQL functions, joins, and subquery stored procedures.
What you are going to learn
Introduction to SQL
Introduction
- Lesson 01: SQL and its installation
- Lesson 02: MySQL Built-in Function
- Lesson 03: Group by and have
- Lesson 04: Unions in SQL
- Lesson 05: Subquery in SQL
- Lesson 06: Triggers in SQL
- Lesson 07: SQL with Python
- Lesson 08: PostgreSQL
- Lesson 09: How to become a SQL developer
- Lesson 10: SQL Interview Questions
Will I receive a certificate at the end of the course?
Yes, you will receive a course completion certificate after completing the free SQL for Beginners course.
In order to be creditor of the certificate you must complete a minimum of 85% of the course. In that case the option will be unlocked and you will be able to download and print it.
This course is offered by Simplilearn
Simplilearn is the world's #1 online bootcamp for digital economy skills training focused on helping people gain the skills they need to thrive in the digital economy.
It provides rigorous online training in disciplines such as Cyber Security, Cloud Computing, Project Management, Digital Marketing, and Data Science, among others.
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