我正在使用SQL 2014，并且要插入10000行虚拟数据，然后插入20000行以进行负载测试。我已经在数据库中拥有该表，只想批量添加记录。
这是我的查询：
SELECT TOP 1000
[POLICY_DETAILS_ID],
[CreatedDt],
[TransactionRequestDt],
[TransactionEffectiveDt],
[TransactionCode],
[CancelCode],
[ProducerID],
[PolicyNumber],
[NAICCd],
[LOBCd],
[EffectiveDt],
[ExpirationDt],
[BillingMethodCd],
[CurrentTermAmt],
[NetChangeAmt],
[OriginalInceptionDt],
[PayorCD],
[RateEffectiveDt],
[Prior_PolicyCd],
[Prior_NAICCd],
[Prior_PolicyNumber],
[Prior_LOBCd],
[Processed_Status],
[Processed_Time],
[AgencyVendorSystem],
[AgencyVendorProduct],
[AgencyVendorProductVersion],
[DestinationAddress],
[ECSAccountId],
[ECSUserId],
[AgencyId],
[TransactionDesc],
[PaymentPlanCd],
[CancellationReasonCd],
[CancellationMethodCd],
[PolicyVersion],
[ProducerSubCode],
[LOBSubCd],
[RenewalTerm],
[CoverageCd],
[TotalPaidAmt],
[ClaimStatusCd],
[LossDesc],
[PoliLossDt],
[DepositAmt],
[Prior_ExpirationDt],
[Prior_InsurerName],
[LoadType],
[TierCD],
[PlanCd],
[AgencyName],
[DateQuoted],
[Prior_NAICCdA],
[Prior_LOBCdA],
[RMKDesc],
[CompanyProductCd],
[StateCd],
[IsDownload]
FROM POLICY_DETAILS