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notes.txt
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39 lines (18 loc) · 1 KB
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-- SELECT * FROM users
-- SELECT name, email FROM users
-- SELECT * FROM users WHERE id = 2 OR id=3
-- SELECT * FROM users WHERE id < 3
-- SELECT COUNT(*) FROM users
-- SELECT * FROM users WHERE name LIKE 'b%'
-- SELECT * FROM users WHERE name LIKE 'Jo%e'
-- SELECT * FROM users WHERE email LIKE '%@example.com'
-- SELECT * FROM products ORDER BY price DESC;
-- SELECT * FROM products WHERE price > 30;
-- SELECT * FROM products ORDER BY price DESC LIMIT 10;
-- SELECT * FROM products WHERE category = 'Electronics' ORDER BY price DESC LIMIT 5;
-- SELECT * FROM products WHERE category LIKE 'electronics' ORDER BY price DESC LIMIT 5;
-- INSERT INTO users (name, email) VALUES ('Hasin', 'hasin@example.com')
-- INSERT INTO users (name, email) VALUES ('Rahim', 'rahim@example.com'), ('Karim', 'karim@example.com')
INSERT INTO users (name, email) VALUES ('Jashim', 'jashim@example.com')
UPDATE users SET name = 'Hasin Hayder', email = 'hasin@hasin.me' WHERE id=5 LIMIT 1
DELETE FROM users WHERE id = 7 LIMIT 1