Sorting Numerically, And Alpha Numerically

Jan 17, 2007

Hi,

I'm hoping there is an easy way to deal with this....

I have a UNION query. The first SELECT in the UNION I want sorted by an int, the the second SELECT in the union (same column) I want sorted by a char.

Here's a really basic sample of what I mean:

select dummy_data.test from
(select cast(1 as char) as test
union
select cast(11 as char) as test
union
select cast(2 as char) as test
union
select 'Alpha' as test
union
select 'Bravo' as test) dummy_data
order by test asc

..obviously, I need to cast the INT columns as chars or the UNIONs do not work.

However, the sort will sort the numbers alpha numerically: 1,11,2
(I'm looking for 1,2,11)

Any thoughts?

david.

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Aug 9, 2006

Hi,

I need to get Sort numerically from an alphanumeric column

Regards,
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Jul 23, 2005

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Aug 18, 2006

Hi,

I was trying to find numeric characters in a field of nvarchar. I looked this up in HELP.





Wildcard
Meaning



%


Any string of zero or more characters.



_


Any single character.



[ ]


Any single character within the specified range (for example, [a-f]) or set (for example, [abcdef]).






Any single character not within the specified range (for example, [^a - f]) or set (for example, [^abcdef]).

Nowhere in the examples below it in Help was it explicitly detailed that a user could do this.

In MS Access the # can be substituted for any numeric character such that I could do a WHERE clause:

WHERE
Gift_Date NOT LIKE "####*"

After looking at the above for the [ ] wildcard, it became clear that I could subsitute [0-9] for #:

WHERE
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using single quotes and the % wildcard instead of Access' double quotes and * wildcard.

Just putting this out there for anybody else that is new to SQL, like me.

Regards,

Patrick Briggs,
Pasadena, CA






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Feb 11, 2007

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So here is my example. I am showing sales order info.The user can sort and group by SalesPerson or Customer. Right now, I have code on my dataset to sort by SalesPerson Code and Order No.So far the grouping workds, however the sorting does not.



Any suggestions would help.


Thanks

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Jan 19, 2007

Hi

for MS SQL 2000

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Jun 14, 2007

Good Morning Db forum.


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Is there a SQL alpha wildcard that I could use to pull all records that have the three alpha chars?

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hi ,
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Jan 7, 2002

Hello:

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I am hoping someone out there could point me in the right direction.

Thank inadvance for your help, I appreciate it very much.

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Oct 19, 2000

please please help?

For the last couple of days i've been trying to transfer a SQL6.5 database from an Alpha platform to an Intel one.

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Using Veritas Backup Exec, with SQL6.5 on both machines, i've tried doing a backup of the database on the Alpha platform and then restore to the Intel Platform, but this fails stating that the processors are incompatible

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Jun 20, 2000

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Dec 10, 1999

Hi,

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Sep 29, 2005

In SQL I need to be able to take a varchar parameter @Area and convert it to a float.

The input values for @Area I can't control. They can range from 6300 to 6,300 SqFt to 1.2 Acres .

So to convert this value to a float I basically look through the string and remove everything that isn't a number or a period. Then I would convert this value to square feet based on how large the number is.


Code:

DECLARE @k int, @Temp VarChar(25), @SqFt Float
SELECT@Temp = @Area
select @Temp

select @k = patindex('%[^0-9. ]%', @Temp)
while @k> 0
begin
select @Temp = replace(@Temp, substring(@Temp, @k, 1), '')
select @k= patindex('%[^0-9. ]%', @Temp)
end

If @Temp = ''
BEGIN
SET @Temp = '0'
END

SELECT @SqFt = Convert(Float, @Temp)

--Distinguish if it was acres or square feet
If (@SqFt > 750.00)
BEGIN
SET @SqFt = @SqFt
END
ELSE
BEGIN
SET @SqFt = (@SqFt * Convert(Float,43560) )
END

SELECT @SqFt



This works great except for one situation, If @Area is something like 6,300 Sq.Ft. . When I run it through the part that removes all non-numeric items and periods, I end up with 6300 .. . So to get around this I want to find the first letter in the string and then remove everything after it. Then take the result and run it through part that removes everything but the numbers and period.

However I can't find away to get the index of the alpha-numeric character and remove everything after it.

Thanks in advance!

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Feb 23, 2006

Hi,

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Nov 9, 2007

We have a table with an indesx that is varchar(7). It contains up to 5 numbers and 2 characters to denote batches. IE. 100a
105zz
1c
2
10001w

In an Access gui I need to be able to sort this field numericaly so each number shows up in its correct position. IE.
1c
2
100a
105zz
10001w

In order to accomplish this, I created a seperate field on the table named Num as varchar(5). I would like to create a trigger that updates this field any time a new batch number is entered. This way I can have my queries order by Num when returning the recordsets to the GUI.

Below is the code that I thought would work, but it is giving me an error near the keyword BEGIN after the IF(ISNUMERIC) statement. I can't seem to find an error with this code, but I thought maybe a thousand fresh sets of eyes could. Any help would be greatly appreciated. Also if you know of a better way to accomplish this task, please feel free to post here.

TIA,

Aaron

CREATE TRIGGER [InsertNum] ON [dbo].[IP_Batch_Table_Temp]
FOR INSERT, UPDATE
AS

DECLARE @Num varchar(7)
DECLARE @Num1 CHAR(7)
DECLARE @x INT

SET @Num = (SELECT IP_Batch_Number FROM inserted)
SET @x = 1
WHILE (@x < len(@Num))
BEGIN
IF (ISNUMERIC( SUBSTRING(@Num, @x, 1) ) )
BEGIN
SET @Num1 = @Num1 + SUBSTRING(@Num, @x, 1)
END
SET @x = @x + 1
END
UPDATE IP_BATCH_TABLE_TEMP SET NUMBER = ltrim(rtrim(@Num1)) WHERE IP_BATCH_NUMBER = @Num


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Would a Numeric field be quicker than a VarChar field?
VarChar would make it easier for a Human to decipher the raw records.  (For example, if I used a numeric the code would be 42 or 47, while the VarChar could be 'savings' or 'checking'.)
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Feb 28, 2008

HI,
Thanks in advance for taking your time to read this post.
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Hello,



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