Category "mysql"

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 []

HOW TO GET QUERY IN SQL USING PHP IN SQL TIGGERING

This is my code my $sql variable didn't give query plese help me for this I try this but I couldn't please help me with that <?php $connect = mysqli_con

mySQL java union

i used this query java and mysql but its not work (if i send directly mysql console its work bun in java not work.) Here down is my code: PreparedStatement pst;

Alter table add column if not exists in MySql

I need to make an alter table via migration on a node:14 server with umzug. The code is : IF NOT EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE table_

How to load data of string of date in csv to mysql database?

Here is a glimpse of my .csv file: Name,Start Date,End Date,Budget Class 1,1/1/2020,31/1/2020,"USD10,000.00" Class 2,1/2/2020,28/2/2020,"USD14,000.00" The date

sqlalchemy return constant dict in select

I am using sqlalchemy with MySql. I need to return a dict in select. Adding that dict value to fetched data is not an option. Is there any way in sqlalchemy or

How to use like query on FullText Index Column

I have this user table structure. `users` ( `id` bigint(20), `balance` bigint(20), `current_parent` bigint(20), `parents` varchar(45

Are there concerns if we have a database with mix of character set and collations?

we are currently in the process of migrating latin1 databases to UTF8 in a MySQL Server. We are investigating what is the best approach and hopefully without an

Error: can not delete or update parent row

I'm trying to Delete all the records related to this supplier from all relevant tables for Supplier with supplierNum = S3. But when I try to delete, I get an er

MySQL slow concurrent/parallel queries in Python

We are using very simple SELECT … WHERE queries (1000 rows, from a very small table with 18000 entries) to load time series data for plotting (for testin

INNER JOIN on array of id's which returns array of objects by using sequelize raw query in node.js

I have data in the below format { "userId": 1 "stateId": 199, "productId": [ 1, 2 ] } I want to get this type of response

My code keeps on returning 'notrunning' even though I already started the game on the teachers side what could be wrong?

Even though I already started the game on the teacher's side, the code keeps on returning 'notrunning' so does this just mean that is_null($result[0])? <?php