Re: Add columns to table; insert values based on row

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От Adrian Klaver
Тема Re: Add columns to table; insert values based on row
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Msg-id b7f52e5f-b116-9e36-acad-b306bb5a64b8@aklaver.com
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Ответ на Add columns to table; insert values based on row  (Rich Shepard <rshepard@appl-ecosys.com>)
Ответы Re: Add columns to table; insert values based on row  (Rich Shepard <rshepard@appl-ecosys.com>)
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On 11/1/18 1:23 PM, Rich Shepard wrote:
>    I have the following code in a script:
> 
> alter table stations add column start_date date;
> alter table stations add column end_date date;
> alter table stations add column howmany integer;
> alter table stations add column bin_col char(8);
> 
> insert into stations (start_date, end_date, howmany, bin_col) values ( )
>    select site_nbr from stations
>      where site_nbr = ' ';

I am not following the above.

Are you trying to add new data to existing records?

If so where is the new data coming from?

> 
>    The table has 82 rows. Is there a more elegant way to insert data 
> specific
> to a site_nbr other than 82 repetitions of the insert statement? (I suspect
> not, but I might be wrong and learn something valuable by asking.)
> 
> Regards,
> 
> Rich
> 
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com


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