... ＊Sampling 样品名称 ---------- ＊Comments 注释表--------------可输入简单说明 ＊Load 装载 ----------------调用已存入的条件 ...
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根据图中的注释信息，优先表CUST_CUSTOMER (CCUS)有两个本地谓词，其选择性很强，各自的过滤因子分别是0.00727和0.004。
According to the annotation information in the figure, the table reference CUST_CUSTOMER (CCUS) has two local predicates which are very selective, with filter factor 0.00727 and 0.004, respectively.
数据流中的最后一个操作器是指向您希望写入注释的表的Table Target操作器。
The last operator in the flow is a table Target operator pointing to a table where you want to write the annotations.
用在表注释器内以选择一整列。
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