<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Insert the following data into the users table: user_id = 5, user_name = "Alex".
<|im_end|>
<|im_start|>assistant
INSERT INTO users (user_id, user_name) VALUES (5, "Alex");<|im_end|>
