as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
what are the best tips for writing efficient sql queries?
user
the best tips for writing efficient sql queries include using indexes to identify rows quickly, using proper joins instead of subqueries, using aggregate functions instead of multiple queries, avoiding wildcards at the beginning of a search criteria, and avoiding unnecessary columns in the query. additionally, query optimization techniques such as query flattening, query tuning, and query decomposition can help ensure that queries are efficient and that databases perform at their best.
assistant