====== SQL - SELECT ====== ===== Fetch all data from a table ===== SELECT * FROM Students; ---- ===== Fetch maximum 10 rows from a table ===== SELECT fname, lname FROM Students LIMIT 10; ---- ===== Fetch specific columns from a table ===== SELECT fname, lname FROM Students; ---- ===== Filter data from a table ===== SELECT fname, lname FROM Students WHERE rollno > 1234; ---- ===== Fetch from two tables ===== SELECT fname, lname FROM Students INNER JOIN Teachers ON Students.teacher = Teacher.no ---- ===== Fetch maximum age from a table ===== SELECT MAX(age) FROM Students; ---- ===== Fetch minimum age from a table ===== SELECT MIN(age) FROM Students; ---- ===== Fetch sum of ages from a table ===== SELECT SUM(age) FROM Students; ---- ===== Fetch average age from a table ===== SELECT AVG(age) FROM Students; ---- ===== Fetch average age for each gender ===== SELECT AVG(age) FROM Students GROUP BY gender; ----