I have simple SSIS data flow which extract records from table A and load them to the table B. Table A and Table B has unique key.
只提取和装载新记录的最佳途径是什么?
I have simple SSIS data flow which extract records from table A and load them to the table B. Table A and Table B has unique key.
只提取和装载新记录的最佳途径是什么?
我发现。 LOOKUP-task 解决办法,但我仍在寻找另一种好的解决办法。
(A) 如果记录在顺序独特钥匙上,核对表B中的最高记录,然后从表A中选择高于这一数值的记录。
(B) 每一行迭代,但某些表/xml档案中独有的关键除外。 在任务开始时利用这一价值从表A中挑选记录。
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