WHERE keeps matching rows.

Goal

Filter Nairobi rows.

DROP TABLE IF EXISTS sales;
CREATE TABLE sales (
  city TEXT,
  units INTEGER,
  shillings INTEGER
);
INSERT INTO sales VALUES
  ('Nairobi', 12, 480),
  ('Mombasa', 8, 320),
  ('Kisumu', 5, 200);

SELECT city, units FROM sales WHERE city = 'Nairobi';

DROP TABLE IF EXISTS sales;
CREATE TABLE sales (
  city TEXT,
  units INTEGER,
  shillings INTEGER
);
INSERT INTO sales VALUES
  ('Nairobi', 12, 480),
  ('Mombasa', 8, 320),
  ('Kisumu', 5, 200);

SELECT city, units FROM sales WHERE units >= 8;

DROP TABLE IF EXISTS sales;
CREATE TABLE sales (
  city TEXT,
  units INTEGER,
  shillings INTEGER
);
INSERT INTO sales VALUES
  ('Nairobi', 12, 480),
  ('Mombasa', 8, 320),
  ('Kisumu', 5, 200);

SELECT city FROM sales WHERE city <> 'Kisumu';

DROP TABLE IF EXISTS sales;
CREATE TABLE sales (
  city TEXT,
  units INTEGER,
  shillings INTEGER
);
INSERT INTO sales VALUES
  ('Nairobi', 12, 480),
  ('Mombasa', 8, 320),
  ('Kisumu', 5, 200);

SELECT city, shillings FROM sales WHERE shillings > 200;