I have a database in which items are placed into categories. Some of these categories are nested, so as an example:
Animals > Birds > Parrots
Animals > Birds > Penguin
Animals > Mammals > Cats
Animals > Mammals > Dogs
Animals > Reptiles > Snakes
Plants > Trees
Plants > Flowers
etc
I have these in a table along the lines of
...
Very basic SQL question (DB is MySQL):
I want a table of number of transactions by users.
User ID Transaction count
1 43
2 213
3 0
4 23
5 0
In a table I have the two relevant records (user_id and buy_count).
How could I get the table I want?
Thanks,
Roberto
...
I'm using MySQL. I have a table
Type SubType
1 1
1 5
1 6
1 8
2 2
2 3
3 1
3 2
3 3
For each type there is some number of subtypes. For every subtype in a type there is a corresponding subtype in the next type:
(1,1) => (2,2)
(1,5) => (2,3)
(1,6) => (2,2)
(1,8) => (2,3)
(2,2) => (3,1)
(2,3) => (3,2)
In case you haven't seen the patter...
I am using nested sets to represent a tree in mysql, like so:
Tree
ID
title
lft
rgt
Given the ID of a node in the tree, what is the easiest / best way to UPDATE that node as well as all of it's ancestors?
For example, let's say that the node ID (36) is 4 levels deep in the tree. I would like to update its title, as well as every par...
I am making a website where users can vote on which category a page is. They can vote that the page is in category a, b, c, or d.
I need to find the most commonly occurring category in the MySQL row out of all the votes.
Each time a user submits their vote, it submits the "category" that they voted for, and the "page_id".
I have thi...
I have an insert:
$sql = 'INSERT into orders SET
fax_int_prefix = "'.$_SESSION['fax_int_prefix'].'",
fax_prefix = "'.$_SESSION['fax_prefix'].'",
fax_first = "'.$_SESSION['fax_first'].'",
fax_last = "'.$_SESSION['fax_last'];
The value of all of these fields is that they are blank right before the insert. Here is an example of one o...
I am trying to write a PHP-MySQL database processor that is somewhat intelligent. When this processor decides it needs to make an update, I want to report if it was really successful or not. I thought I could use mysql_affected_rows...
// Example:
// After running query "UPDATE mytable SET name='Test' WHERE ID=1"
$result = mysql_affec...
I have a process which finds a list of files to be deleted using a SELECT wheredelete= 'Y'.
I set this process running the other day but it takes a while because it actually does the file deletions too.
And in the middle of its long operation, I was using the application and deleted one more file.
At this point I realised I didn't kno...
Environment: C#, MySql, GoDaddy Shared Hosting (medium trust).
Assuming the above environment, what ORMs will work in a medium trust environment? Also consider the following features:
minimal code changes to the ORM library.
minimal disabling of features to run in medium trust.
Bonus feature:
fluent interface
There are a lot of ...
Hello guys.
Just want to know if there is a way to detect how many times a user has clicked a button by using Jquery.
My main application has a button that can add input fields depend on the users. He/She can adds as many input fields as they need. When they submit the form, The add page will add the data to my database. My current ...
I am trying to make a smartphone app which will return a list of users within a certain proximity, say 100m. It's easy to get the coordinates of my BlackBerry and write them to a database, but in order to return a list of other users within 100m, I need to pull every other record from the database and compare the distance between the tw...
SELECT Question.userid, user.uid
FROM `question`
WHERE NOT `userid`=2
LIMIT 0, 60
INNER JOIN `user`
ON `question`.userid=`user`.uid
ORDER BY `question`.userid
returns Error:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INNER JOIN User ON question...
I have set up a website (www.autobodypartsnow.com) and the search function has gone haywire. Whenever you search for anything, it returns every product in the system making it useless. I have fiddled around with it with no prevail.
I have done the Like and FullText thing in the Configuration - nothing.
I have reset the Search and FS ...
Please execute the following queries first to set up so that you can help me:-
CREATE TABLE IF NOT EXISTS `Tutor_Details` (
`id_tutor` int(10) NOT NULL auto_increment,
`firstname` varchar(100) NOT NULL default '',
`surname` varchar(155) NOT NULL default '',
PRIMARY KEY (`id_tutor`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=4...
Okay, I thought my head hurt with regular regex, but I can't seem to find what I'm looking for with regexp in mysql.
I'm trying to look for situations in news articles where a Textile-formatted url has not ended with a slash so:
"Catherine Zeta-Jones":/cr/catherinezeta-jones/ visited stack overflow is ok but
"Catherine Zeta-Jones":/cr/...
I have a table in my database where I store a tree structure using the hybrid Nested Set (MPTT) model (the one which has lft and rght values) and the Adjacency List model (storing parent_id on each node).
my_table (id, parent_id, lft, rght, alias)
This question doesn't relate to any of the MPTT aspects of the tree but I thought I'd le...
How can I use the first query's id value $row['id'] again after I run a second query inside the while loop statement? To show you what I mean here is a sample code below of what I'm trying to do.
I hope I explained it right.
Here is the code.
$mysqli = mysqli_connect("localhost", "root", "", "sitename");
$dbc = mysqli_query($m...
Right now on my (beta) site i have a table called user data which stores name, hash(password), ipaddr, sessionkey, email and message number. Now i would like the user to have a profile description, signature, location (optional) and maybe other things. Should i have this in a separate mysql table? or should i share the table? and why?
...
I have two table in mysql named rootpath with only one field 'root' and savecatogory with fields brandid,categoryid,name.There is no relation between these two tables.Now how can retrieve root,brandid,categoryid using single query.Please help me.
...
I'm trying to count all the ids form table3 that are related to the first two tables but I think my SQL code is wrong can some one help me fix it?
Here is the code:
$dbc = mysqli_query($mysqli,"SELECT table1.*, table2.*, COUNT(id) as num, table3.id
FROM table1
INNER JOIN table2...