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Back to SQL: A Practical Introduction for Querying Databases

Learner Reviews & Feedback for SQL: A Practical Introduction for Querying Databases by IBM

4.7
stars
653 ratings

About the Course

Much of the world's data lives in databases. SQL (or Structured Query Language) is a powerful programming language that is used for communicating with and manipulating data in databases. A working knowledge of databases and SQL is a must for anyone who wants to start a career in Data Engineering, Data Warehousing, Data Analytics, Data Science or Business Intelligence. The purpose of this course is to help you learn and apply foundational and intermediate knowledge of the SQL language, and become familiar with many relational database (RDBMS) concepts along the way. You will start with performing basic Create, Read, Update and Delete (CRUD) operations using CREATE, SELECT, INSERT, UPDATE and DELETE statements. You will then learn to filter, order, sort, and aggregate data. You will work with functions, perform sub-selects and nested queries, as well as JOIN data in multiple tables. You will also work with VIEWS, transactions and create stored procedures. The emphasis in this course is on hands-on, practical learning. As such, you will work with real database systems, use real tools, and real-world datasets. You will create a database instance in the cloud. Through a series of hands-on labs, you will practice building and running SQL queries. At the end of the course you will apply and demonstrate your skills with a final project. The SQL skills you learn in this course will be applicable to a variety of RDBMSes such as MySQL, PostgreSQL, IBM Db2, Oracle, SQL Server and others. No prior knowledge of databases, SQL or programming is required, however some basic data literacy is beneficial....

Top reviews

PR

Mar 8, 2024

Though there are a few mistakes throughout the course, and the labs were not working for a part of the course, overall the course has good useful information.

BB

May 25, 2025

i have completed the whole course but then also i am noy getting any certificate downloading option

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76 - 100 of 139 Reviews for SQL: A Practical Introduction for Querying Databases

By Ayman M

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May 3, 2023

Great SQL Practice

By Antonio d J J T

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Sep 18, 2024

隆Excelente curso!

By Niveditha

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May 26, 2025

excellent course

By Prajapati K C

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Oct 25, 2024

excellent course

By S眉leyman A K

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Apr 26, 2024

Excellent Source

By Chauhan V D

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Oct 23, 2024

awesome course

By Anthony L G

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Feb 5, 2025

Learned alot!

By Ahmed s E

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May 16, 2023

good cocourse

By bumi o

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Feb 16, 2023

Great course.

By Jetani A K

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Dec 13, 2022

very usefull

By Anthony K

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Oct 15, 2025

Nice course

By Piyush J

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May 26, 2023

Insightful.

By 覛邪薪邪褌覜褘蟹褘 袗

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Oct 6, 2024

芯褌谢懈褔薪芯!!!

By Sujit K B

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Oct 21, 2025

Thank You

By Meghana K

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Feb 19, 2025

Very Good

By Divya H

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Aug 1, 2023

excellent

By Marisa N M

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Feb 18, 2025

optimo

By Sayangdipta S

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Jul 29, 2025

great

By Maria C C R

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Apr 21, 2025

great

By Nguyen D T

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Mar 12, 2025

Great

By Barot A P

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Oct 21, 2024

nice

By Mistry C N

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Oct 19, 2024

good

By 袞械褌锌褨褋 袧 袝

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Oct 7, 2024

cool

By Shasankchowdary L

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Feb 25, 2024

GOOD

By Sumana R C

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Jun 29, 2023

GOOD