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Editorial Team
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Asked: 2026-05-27T11:15:13+00:00

An application I’m working on requires that I store certain values in a database

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An application I’m working on requires that I store certain values in a database (coming from a submitted form). Like for example:

$sql="INSERT INTO Employment (JobTitle, StartDate, EndDate) VALUES('$_POST[jobtitle]','$_POST[startdate]','$_POST[enddate]')";

Once they’re in the database, how do I access them individually in the following context:

 if ($jobtitle=='123') {
        echo "You're a software developer.";
    } elseif ($jobtitle=='1234') {
        echo "You're a software tester.";
    }

Essentially, it’s a recommender system where I need to be able to issue recommendations based off of the data in the database. I.e., if job title is this, if start date – end date = this, etc. I’m a beginner with mySQL. Any help would be greatly appreciated.

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1 Answer

  1. Editorial Team

    1) First, you need to know at least a little PHP. It sounds like you’ve gotten that far, and that you can successfully establish a connection to the database (at least to do your “insert”). Good.

    2) Next, you need to know at least a little SQL. It sounds like that’s where you’re stumped at the moment. The most basic SQL commands are:

    • Select (usually people learn this one first ;))

    • Insert

    • Update

    • Delete

      W3Schools has a series of great on-line tutorials that cover 1) and 2):

    http://www.w3schools.com/php/php_mysql_intro.asp

    3) Before you put anything into production, you should ALSO learn a bit about security:

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