mysql

Repository - PHP

Hello, I am new to repositories and am currently looking around to find the best possible option. I need something that can handle multiple versions of our website, and allow multiple collaborators to all push to the repo together. Our current project is built in PHP, and we have a MySQL database. I am short on funding and need the ...

Many-to-Many Relationships in MySQL

I've been reading up on foreign keys and joins recently, and have been pleasantly surprised that many of the basic concepts are things I'm already putting into practice. For example, with one project I'm currently working on, I'm organizing word lists, and have a table for the sets, like so: `words` Table `word_id` `headword` ...

Complex SQL query, one to many relationship

Hey SO, I have a query such that I need to get A specific dog All comments relating to that dog The user who posted each comment All links to images of the dog the user who posted each link I've tried a several things, and can't figure out quite how to work it. Here's what I have (condensed so you don't have to wade through it all...

get data from mysql database

How get data from mysql database? I use ASP.NET and C#.Previously, I used LINQ but it does not work with mysql database ...

Sharing a database connection with included classes in a Sinatra application

I'm converting a part of a rails application to its own sinatra application. It has some beefy work to do and rather than have a million helps in app.rb, I've separated some of it out into classes. Without access to rails I'm rewriting finder several methods and needing access to the database inside of my class. What's the best way to...

What to know - for building a form with PHP and MySQL

Hello all, I have three weeks to perform the following basic task. I wish to create an online form in PHP that will get 5 numbers and with them: save the numbers to a MySQL DB do a simple computation on the numbers and return them as an output to the visitor I already have a domain, hosting and a MySQL database+user. I don't know ...

How do I write this GROUP BY query in MYSQL?

Suppose I have a column called "fruits" I want to select all of the top fruits, ranked by fruits (and group by + count). Fruits: orange orange apple banana apple apple In this case, the select statement would return: apple, 3 orange, 2 banana, 1 ...

Problems getting foreign keys working in MySQL

I've been trying to get a delete to cascade and it just doesn't seem to work. I'm sure I am missing something obvious, can anyone help me find it? I would expect a delete on the 'articles' table to trigger a delete on the corresponding rows in the 'article_section_lt' table. CREATE TABLE articles ( id INTEGER UNSIGNED PRIMARY KEY...

Return column alias as associative array key

Say I have the following: $query = " SELECT user_id,email,password, roles.role_id,role_name FROM users JOIN roles USING(role_id) LIMIT 1 "; $result = mysql_query($query); $user = mysql_fetch_assoc($result); Then if I print_r($user) I get: Array( [user_id] => 1 [email] => [email protected] [password]...

getting mysql_insert_id() while using ON DUPLICATE KEY UPDATE with PHP

Hi-- I've found a few answers for this using mySQL alone, but I was hoping someone could show me a way to get the ID of the last inserted or updated row of a mysql DB when using PHP to handle the inserts/updates. Currently I have something like this, where column3 is a unique key, and there's also an id column that's an autoincremented ...

Single HTML Table from multiple MySQL tables

Hi! I've been struggling for a while with this one; I'll try to explain it here as simply as possible. Consider this MySQL table: +----------+-----------+---------+--------+ |status_id |session_id |pilot_id |present | +----------+-----------+---------+--------+ |1 |61 |901 |1 | |2 |63 |901 ...

How can I save an image from a file input field using PHP & MySQL?

How can I save an image safely from a file input field using PHP & MySQL? Here is the input file field. <input type="file" name="pic" id="pic" size="25" /> ...

HTML checkbox field is being passed to PHP as checked even when it is not

Hello all, First of all thanks in advance, this has been very frustrating and I'm hoping someone can see something I'm not, I am definitely no php expert. Well here' what is going on. I have a form where I have a checkbox for people to opt in to our newletter. The form element looks like this: <label for=newsletter accesskey=N class="c...

question about MySQL transaction and trigger

I quickly browsed MySQL manual but didn't find the exact information about my question. Here is my question: if I have a InnoDB table A with two triggers triggered by 'AFTER INSERT ON A' and 'AFTER UPDATE ON A'. More specifically, For example: one trigger is defined as: CREATE TRIGGER test_trigger AFTER INSERT ON A FOR EACH ROW...

Check if a table exists, and if not, create it

I'm using a Odbc connection to a mysql server, and was wondering how I would go about checking if a table exists within my database, and if not, create it. ...

What does the below query explain?

What does the below query explain? SELECT * FROM `jos_menu` WHERE (id = 69 OR id = 72) I know its very silly question, but sometimes easy things creates mess in my skulls interpreter.. Pls help EDIT Its giving me record for both IDs, why is it doing so? It should five me the record for either 69 or 72.... ...

Order by Domain Extension Name using CodeIgniter Active Record Class

$extension = “SUBSTRING_INDEX(domain_name, ‘.’, -1)”; $this->db->order_by($extension, “asc”); It says: 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 ‘asc LIMIT 50’ at line 44 But its working when I didn’t used the $this->db->order_by Active Record...

Multiple left joins, how to output in php

I have 3 tables I need to join. The contracts table is the main table, the 'jobs' and 'companies' table are extra info that can be associated to the contracts table. so, since I want all entries from my 'contracts' table, and the 'jobs' and 'companies' data only if it exists, I wrote the query like this.... $sql = "SELECT * FROM contr...

Help with MySQL Query using CASE statement

I am trying to group a number of customers together based on their "Head Office" or "Parent" location. THis works ok except for a flaw which I didn't forsee when I was developing my system... For customers that did not have a "Parent" (standalone business) I defaulted the parent_id to 0. Therefore, my data would look like this: id pa...

unknown column in where clause

$result = mysql_query("SELECT * FROM Volunteers WHERE Volunteers.eventID = " . $var); $sql = mysql_query("SELECT * FROM Members WHERE Members.pid = " . $temp); I am also doing or die(mysql_error()) at the end of both statements if that matter. My problem is that the first statement executes perfectly but in that table I store an attri...