SQL

sql practice

-- simple interactive exercises
https://sqlbolt.com/

sql queries practice

Select * from Worker where FIRST_NAME like '_____h';

sql queries practice

SELECT CONCAT(FIRST_NAME, ' ', LAST_NAME) As Worker_Name, Salary
FROM worker 
WHERE salary>=50000 or salary<=10000

practice sql queries

Select FIRST_NAME AS WORKER_NAME from Worker;