[snip]
Thank you for the email. Following is the php code
but it doesn't work.
?
include (connect_my_db.inc);
connect_my_db();
$result = mysql_query (SELECT DISTINCT id FROM
my_rank WHERE rank='a');
while ($row = mysql_fetch_array($result))
{
$id = substr($row[id], 0, 8);
$query =
Try:
select substring(id,1,8) as pfx from foo group by pfx;
or, if the column is numeric:
select floor(id/100) as pfx from foo group by pfx;
Date: Tue, 30 Apr 2002 12:59:05 -0700 (PDT)
From: James Dellacova [EMAIL PROTECTED]
Subject: How do I find duplicate records?
[...]
I
Hi All,
I have over 68,000 records in a table with unique ID
field that has 10 chars. Need to create a query to
find all matching or duplicate IDs up to 8 chars.
(Eg. 12345678%%)
Can anyone help me?
Thanks in advance for any comments.
James
[snip]
I have over 68,000 records in a table with unique ID
field that has 10 chars. Need to create a query to
find all matching or duplicate IDs up to 8 chars.
(Eg. 12345678%%)
Can anyone help me?
[/snip]
Try
select ID
from tblFOO
group by ID
having count(*) 1
HTH!
Jay Blanchard
Thank you for the email. Following is the php code
but it doesn't work.
?
include (connect_my_db.inc);
connect_my_db();
$result = mysql_query (SELECT DISTINCT id FROM
my_rank WHERE rank='a');
while ($row = mysql_fetch_array($result))
{
$id = substr($row[id], 0, 8);
$query =
SELECT
