Mainframe is Back » programming http://www.ibmmainframe.cn Everything about Mainframe: 中文大型机资讯网 Sun, 25 Sep 2011 16:32:00 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Difference between Batch and Online http://www.ibmmainframe.cn/2007/05/difference-between-batch-and-online/ http://www.ibmmainframe.cn/2007/05/difference-between-batch-and-online/#comments Wed, 09 May 2007 13:59:00 +0000 billrain http://www.ibmmainframe.cn/2007/05/09/difference-between-batch-and-online/   [ Read More ]]]>

1, Batch: input data is prepared and given in sequence
Online: data entered not needed in sequence

2, B: processing sequence is predictable and hence restarting the process in case of failure is easy
O: unpredictable, special recovery/restart proc is required in case of failure

3, B: programs & files cannot be shared
O: can be shared

4, B: programs are scheduled through jobs
O: transation can be run at any time

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