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SQL Tutorial

SQL HOMESQL IntroSQL SyntaxSQL SelectSQL Select DistinctSQL WhereSQL Order BySQL AndSQL OrSQL NotSQL Insert IntoSQL Null ValuesSQL UpdateSQL DeleteSQL Select TopSQL Aggregate FunctionsSQL Min and MaxSQL CountSQL SumSQL AvgSQL LikeSQL WildcardsSQL InSQL BetweenSQL AliasesSQL JoinsSQL Inner JoinSQL Left JoinSQL Right JoinSQL Full JoinSQL Self JoinSQL UnionSQL Union AllSQL Group BySQL HavingSQL ExistsSQL Any, AllSQL Select IntoSQL Insert Into SelectSQL CaseSQL Null FunctionsSQL Stored ProceduresSQL CommentsSQL Operators

SQL Database

SQL Create DBSQL Drop DBSQL Backup DBSQL Create TableSQL Drop TableSQL Alter TableSQL ConstraintsSQL Not NullSQL UniqueSQL Primary KeySQL Foreign KeySQL CheckSQL DefaultSQL IndexSQL Auto IncrementSQL DatesSQL ViewsSQL InjectionSQL HostingSQL Data Types

SQL References

SQL KeywordsMySQL Functions
String Functions:ASCIICHAR_LENGTHCHARACTER_LENGTHCONCATCONCAT_WSFIELDFIND_IN_SETFORMATINSERTINSTRLCASELEFTLENGTHLOCATELOWERLPADLTRIMMIDPOSITIONREPEATREPLACEREVERSERIGHTRPADRTRIMSPACESTRCMPSUBSTRSUBSTRINGSUBSTRING_INDEXTRIMUCASEUPPERNumeric Functions:ABSACOSASINATANATAN2AVGCEILCEILINGCOSCOTCOUNTDEGREESDIVEXPFLOORGREATESTLEASTLNLOGLOG10LOG2MAXMINMODPIPOWPOWERRADIANSRANDROUNDSIGNSINSQRTSUMTANTRUNCATEDate Functions:ADDDATEADDTIMECURDATECURRENT_DATECURRENT_TIMECURRENT_TIMESTAMPCURTIMEDATEDATEDIFFDATE_ADDDATE_FORMATDATE_SUBDAYDAYNAMEDAYOFMONTHDAYOFWEEKDAYOFYEAREXTRACTFROM_DAYSHOURLAST_DAYLOCALTIMELOCALTIMESTAMPMAKEDATEMAKETIMEMICROSECONDMINUTEMONTHMONTHNAMENOWPERIOD_ADDPERIOD_DIFFQUARTERSECONDSEC_TO_TIMESTR_TO_DATESUBDATESUBTIMESYSDATETIMETIME_FORMATTIME_TO_SECTIMEDIFFTIMESTAMPTO_DAYSWEEKWEEKDAYWEEKOFYEARYEARYEARWEEKAdvanced Functions:BINBINARYCASECASTCOALESCECONNECTION_IDCONVCONVERTCURRENT_USERDATABASEIFIFNULLISNULLLAST_INSERT_IDNULLIFSESSION_USERSYSTEM_USERUSERVERSION
SQL Server FunctionsMS Access FunctionsSQL Quick Ref

SQL Examples

SQL ExamplesSQL EditorSQL QuizSQL ExercisesSQL ServerSQL SyllabusSQL Study PlanSQL BootcampSQL CertificateSQL Training

SQLTraining


Introduction: SQL is a standard language for storing, manipulating and retrieving data in databases.

W3Schools offers an SQL training course that covers SQL foundations and more.

The course includes the W3SchoolsCertified SQL Developer certification.

The SQL training is relevant for companies and schools that want to certify their employees or students.

Organizations can track learner progress, get insights and manage everything from licenses to certificates withW3Schools Academy.

Remember that you can always learn for free on W3Schools with theSQL Tutorial.

Buy W3Schools Academy »Watch Demo »

*Academy is available for companies and schools only.


Track progress

Get analytics to track learner progress and results.

Self-paced

Flexible timelines and pacing to match busy schedules.

Globally Recognized

Certifications that are trusted by leading organizations worldwide


SQL Training with W3Schools

W3Schools has been training millions of learners since 1998.

Governments, schools, and organizations worldwide trust W3Schools to train employees and students.

W3Schools training materials and content have been well-proven over the years and are updated regularly.

With the W3Schools Academy pricing model, it is now one of the worlds most affordable quality SQL training options there is.

Learn About Academy »

Learning Outcomes

The Certificate Course includes all the training materials to pass theCertified SQL Developer certification exam.

No prerequisites are required to take the course.

The learners will be able to:

  • Understand what SQL is and why you would use it.
  • Create and manage databases and tables.
  • Insert, update, and delete data in tables.
  • Use SELECT with filters (WHERE) and sorting (ORDER BY) to get data.
  • Use JOIN to combine data from multiple tables.
  • Use functions like SUM, AVG, and COUNT to group data and add them up.
  • Create table relationships with foreign keys.
  • Use SQL functions like MIN, MAX, and COUNT.
  • Understand subqueries and indexes.
  • Manage user permissions and data security.

If you are not a company or school, you can still buy the course for personal use.

Read more about W3Schools courses here:W3Schools Courses


Certified SQL Developer

After completing the training modules the learner will take the end of pathway exam.

When the learner passes the exam, the learner will get theCertified SQL Developer certification.

The exam is a multiple choice exam with 60 questions and a duration of 60 minutes.

Image of a SQL Certificate:

The certificate does not expire and is valid for lifetime.

It is shareable and can be added to your CV or LinkedIn profile.

You can read more about the certificate here:SQL Certificate


Track Learner Progress

As an employer or a school you can track learner progress and results.

Assign courses to learners with ease and get them started in no time.

With W3Schools Academy you can manage everything from licenses to certificates.

It will give you everything you need to train your employees or students in different technologies.

Image of class overview in Academy:

You can read more about the Academy here:W3Schools Academy

Note: If you don't want to track progress, there is an option to give them access to the course without any management.


Interactive Learning

The course is designed to be interactive and fun to learn.

The learner will engage with different learning activities to keep them engaged.

This includes quizzes, code exercises, challenges, and a final exam.

Stay engaged with hands-on coding challenges that help you practice and test what you've learned.

Image of one of the activity types in the course, a SQL Challenge:

SQL is best learned by doing, and this is why we have included a lot of challenges in the course.

  • You will get access to hundreds of coding challenges
  • Get instant feedback with auto-grading
  • Receive personalized guidance with manual grading
  • Work on exercises ranging from simple to complex

You can read more about the different types of activities here:Coding Exercises


Training Course Overview

Pricing Academy$5.99 / month per learner
AvailabilityFor companies and schools only
Course levelBeginner
Time to complete48 hours on average
Course FormatSelf-paced
LanguageEnglish
PrerequisitesNone
Exam and CertificationIncluded
Number of certificates1
Certificate nameCertified SQL Developer
Exam formatMultiple choice
Certification skill levelIntermediate (40%), Advanced (75%) and Professional (90%)
Certification ExpirationNever

How to Get Started

  1. Purchase W3Schools Academy access for your organization
  2. Create a class and invite your learners
  3. Assign the SQL course to your class
  4. Monitor learner progress through the admin dashboard
  5. Review analytics and certification results

Are you ready to start training your employees today?

Buy Access to Academy Now »




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Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
sales@w3schools.com

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
help@w3schools.com

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness
of all content. While using W3Schools, you agree to have read and accepted ourterms of use,cookies andprivacy policy.

Copyright 1999-2025 by Refsnes Data. All Rights Reserved.W3Schools is Powered by W3.CSS.


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