#sql #education #sqlfunctions #dataanalyst #dataengineers
#MeanLifeStudies #sqlinterview #datascience #interview #dataanalystinterview
Here are My profiles that will definitely help your preparation for data analyst or data engineer roles.
Medium: / mahendraee204
Github: github.com/mah...
Here are table creation and insertion statements:
-------------------------------------------------------------------------------
create table employee (
empid int,
empname varchar(50),
mgrid int,
salary int
);
insert into employee values
(1, 'mahendra', 2, 25000),
(2, 'mahi', 5, 20000),
(3, 'sam', null, 45000),
(4, 'dev', 1, 20000),
(5, 'dash', 3, 97000),
(6, 'pratik', 6, 30000),
(7, 'singh', 2, 40000),
(8, 'rao', 5, 80000);