Writing and running queriesPrivacy checksTest queries using sandbox dataAllowed SQL functionsJoinable fieldsImproving query performanceTroubleshooting resource limitsFiltered row summaryLinking accountsJoin first-party dataCookie matchingAudiencesCreating remarketing audiencesSettingsLinking accountsAssign access by roleAccount setupJobsTroubleshooting resource limitsImproving query performanceFiltered row summaryTest queries using sandbox data