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This article summarizes options for deleting row-level data from an Arm Treasure Data table. The current best practice is to use the Presto DELETE command.


Partial Delete of Data in a Time Range

Arm TD previously offered and still supports a technique known as "partial delete" that deleted all rows in a specific time range by dropping the partitions covering that time range. This technique is no longer recommended because it is more complex and more likely to lead to user error. Customers should use Presto DELETE instead.