1. To trial the platform and take tests, please take a few seconds to SIGN UP
and SET UP FREE.
2. Searching for something specific? See our text overview of all tests. Scroll right for levels, and lists.
Join 36000+ teachers and students using TTIO.
SQL is a standard language for storing, manipulating and retrieving data in databases.
SELECT column1, column2, ...
FROM table_name
WHERE condition1 AND condition2 AND condition3 ...;
www.teachyourselfpython.com