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  <xsd:element id="mdb_SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsFairValueofSharesSubjecttoRepurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdb_StockIssuedDuringPeriodSharesNewIssuesforExerciseOfWarrants" name="StockIssuedDuringPeriodSharesNewIssuesforExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_StockIssuedDuringPeriodValueNewIssuesForExerciseOfWarrants" name="StockIssuedDuringPeriodValueNewIssuesForExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdb_StockOptionRepricingMember" name="StockOptionRepricingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_TaxCutsAndJobsActof2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActof2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdb_TaxCutsAndJobsActof2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetValuationAllowanceProvisionalIncomeTaxExpenseBenefit" name="TaxCutsAndJobsActof2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetValuationAllowanceProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_TemporaryEquityEliminationAsPartOfReorganizationShares" name="TemporaryEquityEliminationAsPartOfReorganizationShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_TemporaryEquityIssuedDuringPeriodSharesNewIssues" name="TemporaryEquityIssuedDuringPeriodSharesNewIssues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_TemporaryEquityStockIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssuesForExerciseOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="mdb_VestingOfEarlyExercisedStockOptionsNoncash" name="VestingOfEarlyExercisedStockOptionsNoncash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdb_WarrantsIssued" name="WarrantsIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
</xsd:schema>
