[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-08-21 (世界標準時間)。"],[[["\u003cp\u003eThis episode focuses on understanding field compatibility within Google Ads Query Language (GAQL) queries, explaining why some segments, metrics, and resources can't be combined.\u003c/p\u003e\n"],["\u003cp\u003eIt builds on previous GAQL episodes and shows how to leverage the GoogleAdsFieldService to identify compatible fields for queries.\u003c/p\u003e\n"],["\u003cp\u003eThe episode also introduces the Google Ads Query Builder, a tool for easily checking field compatibility and constructing GAQL queries within the Google Ads API documentation.\u003c/p\u003e\n"]]],[],null,["# GAQL Query Validation: Field Compatibility\n\nIn this episode, we'll explore field compatibility in the Google Ads Query\nLanguage (GAQL) and explain why certain segments, metrics, and resources can or\ncannot be present in the same GAQL query. This episode builds upon prior\nepisodes in the GAQL playlist to demonstrate how to use the\nGoogleAdsFieldService to determine which fields are selectable with each other.\nWe'll then flip our attention to the Google Ads Query Builder, an interactive,\nbrowser-based tool in the Google Ads API documentation site, and explain how to\nuse this tool to easily determine field compatibility and build GAQL queries.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e"]]
