如何递增按顺序排列的列中的特定缺失值 [英] How to increment a particular missing value in a column which is in sequence
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问题描述
S.No Date CollectionTime Branch Company Rec-series Receipt No Receipt
1 2016-02-19 11:22:18am SP CFMS SP18 SP18004315 4315
2 2016-02-19 11:39:38 am SP CFMS SP18 SP18004316 4316
3 2016-02-19 11:41:21 am SP CFMS SP18 SP18004317 4317
4 2016-02-19 12:51:12 pm SP CFMS SP18 SP18004319 4319
< b>我尝试了什么:
在表格中,我一直从sql中通过php代码获取表数据,并在收据列中获取数据,其中receipt = 4318失踪了。我从数据丢失的服务器获取数据..我只需要在丢失的收据列中增加一个而不影响任何其他列..这可能吗???谁能帮我吗??提前谢谢
What I have tried:
In the table I have been fetching table data from sql through php code and the data in receipt column where receipt=4318 is missing. Am getting the data from server where the data is missing already.. i just need an increment in the missing receipt column alone without affecting any other columns.. is this possible ??? can anyone help me out?? thanks in advance
推荐答案
这是你的另一个问题的转贴。在那里回答:你永远不想重复使用ID。如果删除一行,那么该ID就会消失,再次使用它是非常糟糕的做法。相反,如果您不想删除它,请添加名为deleted_time的字段并存储删除的时间。然后在检索数据时过滤掉那些。
This is a repost of your other question. As answered there: You don't ever want to reuse Ids. If you delete a row then that ID is gone and it is very bad practice to use it again. Instead, if you don't really want it deleted, add a field named deleted_time and store the time it is deleted. Then filter those out when retrieving your data.
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