<cell> Aggregation<cell> APPROX_COUNT_DISTINCT<cell> Returns the approximate number of unique values of X. [Learn more](/looker/docs/studio/approxcountdistinct)<cell> APPROX_COUNT_DISTINCT(X)
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-01-09。"],[],[]]
