Menu
×
My W3Schools Get Certified Spaces For Teachers Plus Get Certified Spaces For Teachers Plus
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

SQL Tutorial

SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL Order By SQL And SQL Or SQL Not SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Aggregate Functions SQL Min and Max SQL Count SQL Sum SQL Avg SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Exists SQL Any, All SQL Select Into SQL Insert Into Select SQL Case SQL Null Functions SQL Stored Procedures SQL Comments SQL Operators

SQL Database

SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Hosting SQL Data Types

SQL References

SQL Keywords
ADD ADD CONSTRAINT ALL ALTER ALTER COLUMN ALTER TABLE AND ANY AS ASC BACKUP DATABASE BETWEEN CASE CHECK COLUMN CONSTRAINT CREATE CREATE DATABASE CREATE INDEX CREATE OR REPLACE VIEW CREATE TABLE CREATE PROCEDURE CREATE UNIQUE INDEX CREATE VIEW DATABASE DEFAULT DELETE DESC DISTINCT DROP DROP COLUMN DROP CONSTRAINT DROP DATABASE DROP DEFAULT DROP INDEX DROP TABLE DROP VIEW EXEC EXISTS FOREIGN KEY FROM FULL OUTER JOIN GROUP BY HAVING IN INDEX INNER JOIN INSERT INTO INSERT INTO SELECT IS NULL IS NOT NULL JOIN LEFT JOIN LIKE LIMIT NOT NOT NULL OR ORDER BY OUTER JOIN PRIMARY KEY PROCEDURE RIGHT JOIN ROWNUM SELECT SELECT DISTINCT SELECT INTO SELECT TOP SET TABLE TOP TRUNCATE TABLE UNION UNION ALL UNIQUE UPDATE VALUES VIEW WHERE
MySQL Functions
String Functions: ASCII CHAR_LENGTH CHARACTER_LENGTH CONCAT CONCAT_WS FIELD FIND_IN_SET FORMAT INSERT INSTR LCASE LEFT LENGTH LOCATE LOWER LPAD LTRIM MID POSITION REPEAT REPLACE REVERSE RIGHT RPAD RTRIM SPACE STRCMP SUBSTR SUBSTRING SUBSTRING_INDEX TRIM UCASE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATAN2 AVG CEIL CEILING COS COT COUNT DEGREES DIV EXP FLOOR GREATEST LEAST LN LOG LOG10 LOG2 MAX MIN MOD PI POW POWER RADIANS RAND ROUND SIGN SIN SQRT SUM TAN TRUNCATE Date Functions: ADDDATE ADDTIME CURDATE CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURTIME DATE DATEDIFF DATE_ADD DATE_FORMAT DATE_SUB DAY DAYNAME DAYOFMONTH DAYOFWEEK DAYOFYEAR EXTRACT FROM_DAYS HOUR LAST_DAY LOCALTIME LOCALTIMESTAMP MAKEDATE MAKETIME MICROSECOND MINUTE MONTH MONTHNAME NOW PERIOD_ADD PERIOD_DIFF QUARTER SECOND SEC_TO_TIME STR_TO_DATE SUBDATE SUBTIME SYSDATE TIME TIME_FORMAT TIME_TO_SEC TIMEDIFF TIMESTAMP TO_DAYS WEEK WEEKDAY WEEKOFYEAR YEAR YEARWEEK Advanced Functions: BIN BINARY CASE CAST COALESCE CONNECTION_ID CONV CONVERT CURRENT_USER DATABASE IF IFNULL ISNULL LAST_INSERT_ID NULLIF SESSION_USER SYSTEM_USER USER VERSION
SQL Server Functions
String Functions: ASCII CHAR CHARINDEX CONCAT Concat with + CONCAT_WS DATALENGTH DIFFERENCE FORMAT LEFT LEN LOWER LTRIM NCHAR PATINDEX QUOTENAME REPLACE REPLICATE REVERSE RIGHT RTRIM SOUNDEX SPACE STR STUFF SUBSTRING TRANSLATE TRIM UNICODE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATN2 AVG CEILING COUNT COS COT DEGREES EXP FLOOR LOG LOG10 MAX MIN PI POWER RADIANS RAND ROUND SIGN SIN SQRT SQUARE SUM TAN Date Functions: CURRENT_TIMESTAMP DATEADD DATEDIFF DATEFROMPARTS DATENAME DATEPART DAY GETDATE GETUTCDATE ISDATE MONTH SYSDATETIME YEAR Advanced Functions CAST COALESCE CONVERT CURRENT_USER IIF ISNULL ISNUMERIC NULLIF SESSION_USER SESSIONPROPERTY SYSTEM_USER USER_NAME
MS Access Functions
String Functions: Asc Chr Concat with & CurDir Format InStr InstrRev LCase Left Len LTrim Mid Replace Right RTrim Space Split Str StrComp StrConv StrReverse Trim UCase Numeric Functions: Abs Atn Avg Cos Count Exp Fix Format Int Max Min Randomize Rnd Round Sgn Sqr Sum Val Date Functions: Date DateAdd DateDiff DatePart DateSerial DateValue Day Format Hour Minute Month MonthName Now Second Time TimeSerial TimeValue Weekday WeekdayName Year Other Functions: CurrentUser Environ IsDate IsNull IsNumeric
SQL Quick Ref

SQL Examples

SQL Examples SQL Editor SQL Quiz SQL Exercises SQL Server SQL Syllabus SQL Bootcamp SQL Certificate

SQL Server

❮ Previous Next ❯

Create SQL Server

Host SQL on Python Server with W3Schools Spaces

Get Started Now!
Practice coding skills

Practice

Coding Skills

kAI

AI Tutor

Build websites

Build

Projects

Host securely

Host

Securely

Choose your Plan

By subscribing to a plan you support the W3Schools mission to make
learning available to everyone - no matter their background.

Monthly Annually
Free

$0 /Forever

This is for you that are beginning to explore coding and web development

  • Build and host 1 static website
  • 100 credits/month Access various AI features like W3Schools kAI coding tutor and interview preparation.
  • No support
Get Free
W3Schools Plus

$14.99 /Month

This is for you that want to learn and reach your goals faster. Build fullstack projects, ad free experience.

  • Ad-free experience
  • Build and host 15 static websites
  • Build and host 1 full stack server
  • Choose from 18 frameworks / languages
  • Choose from 75+ templates
  • 50000 credits/month Access various AI features like W3Schools kAI coding tutor and interview preparation.
  • Priority Support
  • Cancel anytime
Get Plus
W3Schools Classroom

Contact us for information

W3Schools right to use and Plus for educational institutions or enterprise customers

  • Everything in W3Schools Plus
  • Certification Exams
  • And much more!
Get More Info

Powerful Code Editor

Front-end, Back-end or Full-stack - the choice is yours
Dynamic Spaces

Practice Makes Perfect

Sharpen and Master your development skills with these technologies using Spaces.

Languages
Get Started Now!

Save Time with Templates

Build powerful websites in just a few clicks

Gamer website template
Portfolio
Blog website template
Blog
AI website template
Webshop
Tutor website template
Tutor
Explore All Templates
Get Started Now!

kAI

Just landed in Spaces

Learn to code more effectively
and intelligently with kAI - AI tutor

Get Started Now!

Hi! I'm kAI, W3Schools AI Tutor...

Feel free to ask me any coding-related questions, and I'll do my best to assist you.

I can help you checking your code for errors, improving your code's structure, explaining coding concepts in a clear and understandable way, and more...

I can even create complete websites for you based on your input, so what are you waiting for?

Super Simple to Share

Host and Publish Websites in no time

Included for free in all plans

W3Schools subdomain, hosting, and SSL certificate.

Want custom domains?

Buy a domain or transfer an existing one and connect it to your space.
Example domain

How it works

Join W3Schools - and create a space

1. Join W3Schools
- and create a space


Choose a template - or start from scratch

2. Choose a template
- or start from scratch


Edit your code and make it yours

3. Edit code directly
in your browser


Share your space with someone

4. Share your website
with the world


Coding Made Easy

All at your fingertips with our easy-to-use code editor

Cloud-based

Terminal & Log

How To Libraries

Database

File Navigator

Package Manager

Analytics

Environment Manager

Get Started Now!
Cloud-Based

Save Time & Money.

No installation required. Access everything in your browser. Get started in seconds.
Get Started Now!
File Navigation
File Navigator

All Your Files in One Place.

Find and switch easily between your code files without leaving the code editor.
Get Started Now!
Terminal and Log

Fix Your Code Faster.

Monitor your code, debug and troubleshoot your work during the development process.
Get Started Now!
Spaces Built-In Database
Database

Get Full Data Visibility.

Find and preview all the data stored in your website. Anytime, from anywhere.
Get Started Now!
Environment Manager

Increased Control and Security.

Control your website access points to establish secure connections.
Get Started Now!
Spaces Built-In Database
Package Manager

Find What You Need Quicker.

Search and install frameworks and libraries in just one click.
Get Started Now!
User Analytics

Get Traffic Insights.

Learn from your website visitors to deliver a better user experience.
Get Started Now!

Get Inspired

Connect and share your website with the community to get instant feedback

Get Started Now!
W3Schools Community

Frequently Asked Questions


With Basic Spaces, you can build frontend websites. Whereas with Fullstack Spaces, you can build frontend and backend websites.

Basic Spaces include HTML, CSS, and Javascript. Full Stack Spaces include everything in Basic Spaces plus PHP, Python, React.js, Vue.js, Node.js, Handlebars, and Django.

Your subscription will be automatically renewed every month.

Your access to all the benefits for the paid period of time will continue. However, the subscription will not be renewed automatically.

To subscribe W3Schools accounts for multiple users, you can contact sales@w3schools.com

Have some other questions? Visit our support page

Subscribe for $14.99/Month
Cancel anytime.


❮ Previous Next ❯
PLUS
SPACES
GET CERTIFIED
FOR TEACHERS
FOR BUSINESS
CONTACT US
×

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

Top Tutorials
HTML Tutorial
CSS Tutorial
JavaScript Tutorial
How To Tutorial
SQL Tutorial
Python Tutorial
W3.CSS Tutorial
Bootstrap Tutorial
PHP Tutorial
Java Tutorial
C++ Tutorial
jQuery Tutorial
Top References
HTML Reference
CSS Reference
JavaScript Reference
SQL Reference
Python Reference
W3.CSS Reference
Bootstrap Reference
PHP Reference
HTML Colors
Java Reference
Angular Reference
jQuery Reference
Top Examples
HTML Examples
CSS Examples
JavaScript Examples
How To Examples
SQL Examples
Python Examples
W3.CSS Examples
Bootstrap Examples
PHP Examples
Java Examples
XML Examples
jQuery Examples
Get Certified
 HTML Certificate
CSS Certificate
JavaScript Certificate
Front End Certificate
SQL Certificate
Python Certificate
PHP Certificate
jQuery Certificate
Java Certificate
C++ Certificate
C# Certificate
XML Certificate
FORUM ABOUT ACADEMY
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 our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.