If you want to practice SQL, and it happens that your computer does not have a SQL environment, then the following online practice SQL websites will definitely meet your needs.
TiDB
“Address: https://tour.pingcap.com/
”
As a project that won the second prize in the 2019 TiDB Hackathon, the birth of TiDB-Wasm is the product of the collision of WebAssembly (Wasm), [Golang] language and TiDB community. It aims to provide users with a way to easily experiment with SQL statements. MySQL query method to test TiDB's SQL compatibility.
Display in the form of command line.
SQL Fiddle
“Address: http://sqlfiddle.com
”
Support MySQL, Oracle, SQL sever and other databases.
As shown in the figure, the left side is the input box for table creation statement and insert statement. Click Build Schema to generate data. On the right is the SQL statement input box, the effect is as follows:
Click Run SQL to query the data.
“Question: MySQL is only available in version 5.6, if you want to experience the features of the latest version. SQL Fiddle may not be applicable anymore.
”
DB Fiddle
“Address: https://www.db-fiddle.com/
”
If you are not satisfied with the website above, then try this website. This website can support the latest version of MySQL.
“The disadvantage is that it does not support Oracle
”
Another advantage of this website is that it can work in teams.
But if you learn SQL by yourself, teamwork is not very useful.
db<>fiddle
“Address: https://mp.weixin.qq.com/
”
The supported database is very complete.
The disadvantage is: this UI is too ugly. And the network delay is very high.
SQL practice website
In addition to the websites above, here are a few more websites where you can practice SQL (MySQL) directly. The data and tables have been given.
SQL online practice
“http://sample.jimstone.com.cn/xsql
”
XUESQL
“Address: http://xuesql.cn/
”
sqlzoo
“Address: https://sqlzoo.net/wiki/SELECT_basics/zh
”
I feel that the server of the website is not in the mainland, and the access speed is relatively slow. But the table is richer.
Liao Xuefeng's official website
“https://www.liaoxuefeng.com/wiki/1177760294764384/1179611432985088
”
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