9 lines
356 B
SQL
9 lines
356 B
SQL
CREATE TABLE IF NOT EXISTS user_assets (
|
|
id INT AUTO_INCREMENT PRIMARY KEY,
|
|
user_id INT NOT NULL,
|
|
symbol VARCHAR(20) NOT NULL,
|
|
amount DECIMAL(30, 10) DEFAULT 0,
|
|
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
|
|
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
|
|
UNIQUE KEY user_symbol (user_id, symbol)
|
|
); |