Category "mysql"

Dependent dropdown using WHERE clause

I am looking for some help. I need to create a dependent dropdown based on the previous input. Everything works in my code, and it sends and receives data from

Student Project - Fatal Error: Uncaught Error: Call to a member function prepare() on null in php

I'm working on a student project. I'm building an e-commerce website to sell soaps, and the error message I'm getting is the following. Fatal error: Uncaught E

How to use mysqli connection with SSL

I'm trying to make a secure connection with my database I wrote the following code: <?php // form filled? if (isset($_POST['submit'])) { $user = 'gebrui

How do I fix the "The given key was not present in the dictionary"?

I am running a MySql 8 DB and using Visual Studio 2017. Here is my VB code. Try With prm .Direction = ParameterDirection.Input .MySqlDbType

my $_POST return null but my forms is not empty [closed]

i have two 3 files 1 for the database and the others is for add the data and the index but my adddata.php doesn't catch the value and just ret

How to send files using socket io in react js, node js and store in mysql database?

I am building a chat application like discord, I can successfully send a chat message, and i am trying to send emojis, files like image, pdf, docx, links. How t

Making a MySQL COUNT query

after 4 days of tries and researchs over the web I can't make my wishes working. Any help would be appreciated !Performed on MYSQL WORKBENCH I got a DB made of

How to fetch data that is in JSON format from an API using python to a .db file

I have an API: https://baseballsavant.mlb.com/gf?game_pk=635886 I want to fetch the data from here (which is in JSON format) using a python code and create a ta

mysql if exists return the record value instead of regular output

I want a select that if/exists it returns the 'link' value instead of regular output. so instead of '1' it returns the 'link' Is that possible? SELECT IF( E

How to use mysqli prepared statements?

I am trying out prepared statements, but the below code is not working. I am getting the error: Fatal error: Call to a member function execute() on a non-objec

Changes to /etc/phpmyadmin/config.inc.php do not have effect

I would like to configure PhpMyAdmin to access only one database through one user. I tried before to restrict access via .htaccess using this answer from 2013 b

My message got duplicated when reloading the page [duplicate]

I have a problem with my PHP and MySQL code. I was creating a private messaging system but unfortunately, each time I reload the page, the las

How to access query result with the selection as object name

I have made a query on a data and it returns a result: [ RowDataPacket { 'COUNT(t.id)': 2 } ] How can I access it like the count number? I have tried result.COU

How to sort one column and then another within it in SQL? [duplicate]

I have this table state num ------------------------- ca 20 ny 30 ca 50 ca 10 ny 70 ny 90 What I want is to p

Mysql: can't start mysqld "mysqld.service: control process exited, code=exited status=1"

I have installed a third party framework fate, and mysql has been installed inside this framework, at the following path: /data/projects/fate/common/mysql/mysql

mysql null value case when is null does not work

I have following query to handle null value and flag those based on two table join however c.pure_proc_flag is null then 0 else 1 does not provide the result

getting an error while fetching data from database (mysql). n="+".join(n) TypeError: can only join an iterable

conn = mysql.connector.connect(host="localhost", user="root", password="", database="Attendance") my_cursor = conn.cursor() my_curso

EAV model - How to restrict product properties?

I have the following structure of my database, implementing a simple EAV model (see pic): My product has a type, which through the junction table restricts pro

How do I connect to JawsDB (add-on) with a Github deployment (javascript program) on Heroku?

I have tried my best to debug this issue for the past few days with no luck. I am a beginner so there could totally be simple things I just didn't know. So I ha

how to get gat with start & lenght?

"SELECT * FROM `user` WHERE `id`=" . $adminID . " ORDER BY `name` ASC LIMIT " . $start . "," . $length try to get data but the response showing []