seniorPandas
What is the difference between eval() and query() in Pandas?
Updated May 17, 2026
Short answer
eval evaluates expressions; query filters rows using string expressions.
Deep explanation
eval performs column-wise computations efficiently using numexpr backend, while query is designed for filtering rows using boolean expressions. Both reduce Python overhead by compiling expressions internally.
Unlock with a Pro subscription to view this section.
View pricingReal-world example
No real-world example available yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProCommon mistakes
No common mistakes listed yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProFollow-up questions
No follow-up questions available yet.
Unlock with a Pro subscription to view this section.
Upgrade to Pro