课程: SQL Practice: Basic Queries

Talking to your database in SQL - SQL教程

课程: SQL Practice: Basic Queries

Talking to your database in SQL

- [David] SQL or structured query language is used by everyone from software developers to business analysts. It's the universal language for accessing and manipulating data in a relational database, and it's an essential tool for anyone who works with data. SQL is supported by everything from enterprise server-based products to tiny file-based systems. This course will help you test your SQL knowledge. In each challenge, you'll be given a data set and instructions, and then it's up to you to write your own database queries right in your browser. Good luck and have fun.

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