Greetings,
I generate this report of all the holdings by symbol, summing up over
accounts. It is taking much too long. I was wondering if I can add
an index on something to make it more efficient. The first query
gets the most recent date, the next query sums it up by symbol.
Thank you
May 31, 2006 12:25:50 PM CDT
To: "Joseph Alotta" <[EMAIL PROTECTED]>
Cc: mysql@lists.mysql.com
Subject: Re: please help optimize this query
I'd start by looking at your schema.. Quite a lot of use of
varchars... I'd suggest using chars (takes more space but processes
fas
Greetings,
I have a bunch of names and addresses that I am adding to MySql
database. I would like to automatically assign a unique sequence
number to each person. Is there a way to do this easily?
idname
1 bob jones
2 larry smith
3 henry rogers
Thanks for you help,
Jo
Greetings,
Thank you Dahl and Xiaobo. Here it is working for all to see. I
particularly like that it doesn't try to use a key again once it is
deleted.
Joe.
mysql> use names;
Database changed
mysql> create table people ( id mediumint unsigned not null
auto_increment,
-> first
greetings,
I know this is pretty basic stuff, but I couldn't find an answer in
google.
1. I want to set the @maxdate variable, but mysql complains. What am
I doing wrong?
2. The 3rd to the last line:
and (p.value - t.amount) < -1000
I wanted to say
diff < -1000
but mysql
