{"id":2988,"date":"2025-09-25T09:40:55","date_gmt":"2025-09-25T09:40:55","guid":{"rendered":"https:\/\/learning.workfall.com\/learning\/blog\/helpie_faq\/q-how-do-i-handle-large-query-results-or-large-data-transfers\/"},"modified":"2025-09-25T09:41:19","modified_gmt":"2025-09-25T09:41:19","slug":"q-how-do-i-handle-large-query-results-or-large-data-transfers","status":"publish","type":"helpie_faq","link":"https:\/\/learning.workfall.com\/learning\/blog\/helpie_faq\/q-how-do-i-handle-large-query-results-or-large-data-transfers\/","title":{"rendered":"Q. How do I handle large query results or large data transfers?"},"content":{"rendered":"<p><b>A:<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400\">Use pagination or chunked fetches (<\/span><span style=\"font-weight: 400\">fetchmany<\/span><span style=\"font-weight: 400\">) to avoid huge memory loads.<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li><span style=\"font-weight: 400\">Use Snowflake\u2019s output to CSV or stage data (e.g. <\/span><span style=\"font-weight: 400\">COPY INTO<\/span><span style=\"font-weight: 400\">) and then download via Python.<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li><span style=\"font-weight: 400\">Use efficient data types and batching for inserts.<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li><span style=\"font-weight: 400\">Use <\/span><span style=\"font-weight: 400\">stream_results=True<\/span><span style=\"font-weight: 400\"> in the connector to stream large SELECT results rather than loading all at once.<\/span><span style=\"font-weight: 400\">\n<p><\/span><\/li>\n<li><span style=\"font-weight: 400\">Monitor query performance (use warehouses of appropriate size, avoid scanning unnecessary data).<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A: Use pagination or chunked fetches (fetchmany) to avoid huge memory loads. Use Snowflake\u2019s output to CSV or stage data (e.g. COPY INTO) and then download via Python. Use efficient data types and batching for inserts. Use stream_results=True in the connector to stream large SELECT results rather than loading all at once. Monitor query performance [&hellip;]<\/p>\n","protected":false},"author":257,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"spay_email":""},"helpie_faq_category":[469],"helpie_faq_group":[523],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Q. 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