sql display max value
SELECT MAX(<numeric column>) FROM <table>;
SELECT MAX(<numeric column>) FROM <table> GROUP BY <other column>;
sql display max value
SELECT MAX(<numeric column>) FROM <table>;
SELECT MAX(<numeric column>) FROM <table> GROUP BY <other column>;
distinct sql
Distinct: helps to displays the non duplicate
records when retrieving the records from a table.
SELECT DISTINCT FIRST_NAME FROM VISITORS;
min max sql
SELECT MIN(salary), MAX(salary) FROM employees;
SELECT team, MIN(salary), MAX(salary) FROM employees GROUP BY team;
sql max value in column
SELECT MAX(salary) FROM employees;
SELECT id, MAX(salary) FROM employees GROUP BY id;
SELECT t1.*
FROM employees t1
INNER JOIN (
SELECT id, max(salary) AS salary FROM employees GROUP BY id
) t2 ON t1.id = t2.id AND t1.salary = t2.salary;
find max number in sql
● SELECT first-name, MAX(salary)
FROM department d LEFT OUTER JOIN employee e ON (d.department_id = e.department_id)
GROUP BY department_id;
sql max min
select emp_name, salary
from employees
where salary = (select max(salary) from employees)
union all
select emp_name, salary
from employees
where salary = (select min(salary) from employees);
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