timestamp to date and time column migration

[Bill Totman <totman(at)gmail(dot)com>]

Hello all,

I created a table where I used a timestamp type column and after inserting 
about 300 entries into this table I would now rather have two separate 
columns for that data: one for just the date and the other for just the time.

I'm not sure what the best way would be to:
1) backup that information (from the current timestamp column), 
2) drop the timestamp table, 
3) add a date type table and a time type table, 
4) and ultimately import the already-space-separated timestamp data into these 
two columns.

Barring the above outline being erroneous, I suppose I just to know if there 
are any 'gotchas' that I should beware/know about before proceeding with this 
migration... as well as the syntax for piping data or running INSERT commands 
from a file on the commandline.


Thank you very, very much for any and all help you might have.

Bill Totman

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