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oracle sql

smalig asked
Last Modified: 2015-06-23
Hello experts,
I have a table with data, from which I need to delete records keeping only the latest. here is how the table looks like

column1                               column2 (timestamp column)

abc                                         2014/11/22 08:08:38
abc                                         2015/03/06 06:10:39
abc                                         2015/03/06 08:10:39
def                                         2015/03/06 06:10:39
def                                         2015/03/06 08:10:39
def                                         2015/03/06 10:10:39

I want to keep records which have the latest time stamp like

abc                                        2015/03/06 08:10:39
def                                         2015/03/06 10:10:39

deleting the rest of the data. how can I do this in a query.
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