blob: 1d9d5fbbf51e5ace06525fc90e5e49affba58c2a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
DROP TABLE IF EXISTS users;
CREATE TABLE users (
id int PRIMARY KEY,
name varchar(100) NOT NULL,
UNIQUE KEY (name)
) DEFAULT CHARSET=utf8;
INSERT INTO users VALUES (1, "Alice");
INSERT INTO users VALUES (2, "Bob");
INSERT INTO users VALUES (3, "Bob");
ERROR 23000: Duplicate entry 'Bob' for key 'name'
SELECT * FROM users;
id name
1 Alice
2 Bob
SELECT * FROM users WHERE name = "Bob";
id name
2 Bob
DROP TABLE users;
|
