On Sybase the following script:
create table #temp_table (
        a varchar(10),
        b numeric identity
)

insert into #temp_table (a) values ("1234")
insert into #temp_table (a) values ("234")
insert into #temp_table (a) values ("134")
insert into #temp_table (a) values ("124")
insert into #temp_table (a) values ("22434")
insert into #temp_table (a) values ("1245234")
insert into #temp_table (a) values ("251234")
insert into #temp_table (a) values ("3451234")
insert into #temp_table (a) values ("1634234")

select * from #temp_table

update #temp_table set a = "N" + a

select * from #temp_table
go

Produces the following output:
 a          b                     
 ---------- --------------------- 
 1234                           1 
 234                            2 
 134                            3 
 124                            4 
 22434                          5 
 1245234                        6 
 251234                         7 
 3451234                        8 
 1634234                        9 

(9 rows affected)
(9 rows affected)
 a          b                     
 ---------- --------------------- 
 N1234                          1 
 N234                           2 
 N134                           3 
 N124                           4 
 N22434                         5 
 N1245234                       6 
 N251234                        7 
 N3451234                       8 
 N1634234                       9 

(9 rows affected)

> -----Original Message-----
> From: George Pitcher [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, August 21, 2001 09:31
> To:   [EMAIL PROTECTED]
> Subject:      [PHP-DB] Slightly OT - maybe just SQL not php
> 
> Hi all,
> 
> I have a MySQL table with approx 350,000 records (US aviation register)
> and
> the way the FAA produce it is without the 'N' prefix which I wish to add.
> Can anyone point me to a sql command which will upodate the N-Number field
> to 'N' + N-Number field?
> 
> George, Edinburgh
> 
> 
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