Computing. Programming. Web development. Graphic design. Networking.

Web development quizzes

Clock
Minutes
Seconds
LEFT JOIN returns all rows when there is at least one match in BOTH tables

This query is correct: UPDATE table_name SET column1=value1;

SQL can retrieve data from a database.

This query is correct: ERASE FROM table_name WHERE column1=value1;

UNIQUE and NOT NULL are contraints.