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MySQL create given statement
2022-06-25 09:46:00 【CSDN Q & A】
There is a set of process tracking data , Please use SQL Take out the newly created records in each process . The data structure is as follows , Suppose there are only four fields , In turn ID( Primary key ),PROCESS_INS_ID( Process instance ID),CREATE_TIME( Creation time ),DEAL_UID( Dealing with people )
[{'1','P_1','2019-07-03 18:00:00','ZHANG'},{'2','P_1','2019-07-03 18:01:00','ZHANG'},
{'3','P_1','2019-07-03 18:02:00','ZHANG'},{'4','P_2','2019-07-03 18:00:00','ZHANG'},
{'5','P_2','2019-07-03 18:01:00','ZHANG'},{'6','P_3','2019-07-03 18:00:00','ZHANG'},
{'7','P_3','2019-07-03 18:01:00','ZHANG'},{'8','P_3','2019-07-03 18:02:00','ZHANG'}]
The query result is required to be
{'3','P_1','2019-07-03 18:02:00','ZHANG'} p_1 in Create the latest
{'5','P_2','2019-07-03 18:01:00','ZHANG'} p_2 in Create the latest
{'8','P_3','2019-07-03 18:02:00','ZHANG'} p_3 in Create the latest
Please select based on Oracle perhaps mysql The database gives sql sentence .
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