-- create a table
CREATE TABLE students (
  id INTEGER PRIMARY KEY,
  name TEXT NOT NULL,
  gender TEXT NOT NULL
);
-- insert some values
INSERT INTO students VALUES (1, 'Ryanbis',  'M');
INSERT INTO students VALUES (2, 'Ryan', 'M');
INSERT INTO students VALUES (3, 'Joanna', 'F');
INSERT INTO students VALUES (4, 'Carine', 'F');
INSERT INTO students VALUES (5, 'Solange', 'F');
INSERT INTO students VALUES (6, 'Johanna','F');
INSERT INTO students VALUES (7, 'John', 'M');
-- fetch some values
SELECT * FROM students WHERE gender = 'F';