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Tag: mysql

MySQL query to extract first word from a field

I would like to run a query that returns the first word only from a particular field, this field has multiple words separated by spaces, I assume I may need to carry out some regex work to accomplish this? I know how to do this using a few ways in PHP but this would best be carried out on the

Select from MySQL records that sums

I’m using PHP and MySQL. I have a table named quantity. Inside there are records of product name, product price and product quantity. Besides these, there are a few others that helps me select the last records based on date and position, as well as a GROUP BY the field named price because there are diff…

Application access server load

I have developed an application in PHP + JavaScript. I’m using MySQL as database support. Every account for this app will come with a subdomain… so the client Stardust would have stardust.mysite.com. I want to put the application files in a folder outside public_html and link every account from ev…

Algorithm for generating a random number

I’m looking to generate a random number and issue it to a table in a database for a particular user_id. The catch is, the same number can’t be used twice. There’s a million ways to do this, but I’m hoping someone very keen on algorithms has a clever way of solving the problem in an ele…