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SQL Query For Alpha or Numerical Characters

Posted on 2003-11-26
9
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Last Modified: 2011-04-14
Hello,
I have a column in my database called 'Atozlisting', it is filled with only i character in each row of data.  the character maybe an alpha character or a Numeral.  i.e
a or g or f or 5 or 3 or j... etc

I'm trying to write two SQL statements.  The first one will return only records that have an alpha characters as their value and the second one will return records that have a numerals as their value

thanks
:-)
0
Comment
Question by:show_t
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9 Comments
 
LVL 6

Expert Comment

by:lausz
ID: 9825063
Try this

All together

select case when isnumeric(Atozlisting) = 1 then 'Num' else 'alpha' end
from yourtable

or

Select Atozlisting  --numeric
from yourtable
where isnumeric(Atozlisting) = 1

and

Select Atozlisting -- alpha
from yourtable
where isnumeric(Atozlisting) = 0
0
 

Author Comment

by:show_t
ID: 9825358
thanks for your help,

i've also tried adding 'DISTINCT' in the SQL query in an attempt to NOT return any records with the same values but this doesn't work.  is 'distinct' only used with joins ?

thanks again
0
 
LVL 6

Expert Comment

by:lausz
ID: 9826072
This must work.

Select distinct Atozlisting -- alpha
from yourtable
where isnumeric(Atozlisting) = 0


0
 

Author Comment

by:show_t
ID: 9826227
Yeah it works just fine, i just wanted to know if you also knew how to NOT return records that have the same value

Thanks
0
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LVL 6

Expert Comment

by:lausz
ID: 9826654
Do you need more help ?
0
 

Author Comment

by:show_t
ID: 9827842
yes please, about the 'Distinct' issue
0
 
LVL 6

Expert Comment

by:lausz
ID: 9831269
Can you post your final query...(with the distinct not running) ?
0
 

Author Comment

by:show_t
ID: 9832355
Hello,

Basically, when i do this :

Select distinct Atozlisting -- alpha
from yourtable
where isnumeric(Atozlisting) = 0

IT WORKS! i get :
A
A
A
B
B
C
F
G
G
J
K
L
M
M

However,  i need the query to only return :
A
B
C
F
G
J
K
L
M

Do you see what i mean, without duplicates.

thanks
:-)
0
 
LVL 6

Accepted Solution

by:
lausz earned 125 total points
ID: 9833025
I don't understand ..

Try this two options :

Select distinct ltrim(Atozlisting) -- alpha
from yourtable
where isnumeric(Atozlisting) = 0

or


Select Atozlisting -- alpha
from yourtable
where isnumeric(Atozlisting) = 0
group by Atozlisting
0

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