<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
How does a database index impact query performance?<end_of_turn>
<start_of_turn>model
Indexing accelerates query performance by allowing the database management system to locate and retrieve data more efficiently.<end_of_turn><eos>