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Avoid a record that has first character as number in a column


Avoid a record that has first character as number in a column

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ramadesai108
ramadesai108
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Hi,
I want to avoid a record that has first letter as number in a column.

This is my code:

where left(firstname,1) not in('','"','#','.','%','$','-','_','(',')','*,',)

along with the other not ins, how do I add that the first character should not be a number.

Thanks.
mister.magoo
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Best not to do it with IN.

Try using LIKE

where firstname not like '[0-9]%'

MM


select geometry::STGeomFromWKB(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  • GSquared
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    This should give you what you need more efficiently that the current code:
    where firstname NOT LIKE '["#.%$[-]_()*0-9]%'



    The square-brackets give the Like operator a range of characters to operate on.

    What you might want to do, instead of coding by exception, is:
    where firstname LIKE '[A-Z]%'



    That will find names that start with a letter, instead of excluding names from a list of specific characters.

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    mister.magoo
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    although actually it may be better to do this:

    where firstname LIKE '[!-/:-ÿ]%'

    which is the set of printable ascii characters excluding 0-9

    edit: when i said better i was referring to my previous post :-)

    MM


    select geometry::STGeomFromWKB(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    I'd turn this:

    where firstname LIKE '[!-/:-ÿ]%'



    into:

    where firstname LIKE '[^0-9]%'



    The carat (up-arrow) means "excluding" in there. It's more clear that the exact thing you want to do is exclude 0-9, rather than an inclusive list of everything else.

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    ramadesai108
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    Thank you. That works.
    srikant maurya
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    this may help if you Ignore only first number char from Str

    select * from Table where isnumeric(left(column_name,1))=0
    Jeff Moden
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    srikant maurya (2/6/2011)
    this may help if you Ignore only first number char from Str

    select * from Table where isnumeric(left(column_name,1))=0


    Oh, be careful now. IsNumeric shouldn't be used as a digit test. Please see the following article on that, please...
    http://www.sqlservercentral.com/articles/IsNumeric/71512/

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    srikant maurya (2/6/2011)
    this may help if you Ignore only first number char from Str

    select * from Table where isnumeric(left(column_name,1))=0


    Besides not being a sure thing, that will also bypass indexes on that column.

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