You can effectively reduce the number of records that are read from the source, and reduce the overall execution time of a rule, by defining a virtual table with a filter condition.

您可通过定义具有过滤条件的虚拟表，来有效地减少从源所读取记录的数量，并减小规则的总执行时间。

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Filtering is the process of displaying records that meet a given condition.

筛选是显示满足给定条件的记录的过程。

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To see the running records, listen to the opinions of the staff on duty, find out the abnormal arrangement in time and keep the equipment in good condition.

查看运行记录，听取值班人员意见，发现异常及时安排维修，使设备保持完好的技术状态。

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She told them she was perfectly healthy, but the surgery was adamant her records showed she was a heavy smoker and suffered from Alzheimer's Disease, a kidney condition and had undergone a hysterectomy and a double hip replacement.

BBC: Mary Kerswell

Court records show a psychologist is scheduled to testify at the hearing as to Loughner's current mental condition.

CNN: Attorneys for Loughner expected to enter new plea Tuesday

Greene's only condition in the settlement was that he get an additional 90 days to review all of LB Property's records pertaining to accounts connected to Greene's business interests to check for fraud or misappropriation of funds for which he could make a material fraud claim in arbitration, court documents say.

FORBES: Legal