Category "mysql"

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

String Split function in MySQL

can anybody tell me how to implement a split function in mysql which behaves like Javascript split. I want a function like this SELECT Split('a,b,c,d', ',') A

brew install mysql Can't set root password

I installed MySQL via brew, but instead of letting me set a root password after mysql_secure_installation, I get prompted for the root password instead. % brew

old site, solving error "The byte stream was erroneous according to the character encoding that was declared"

I need to support an old site. using HTML4, <meta http-equiv="Content-Type" content="text/html; charset=windows-1252" > and DB TABLE fields with latin1_

Most donor to acceptor ratio

There is a blood bank which maintains two tables: DONOR that contains information on the people who are willing to donate blood and ACCEPTOR, the people who are

I want to display fetched data from api in form columns (auto fill data) in React.js and Mysql

i am using onKeyUp event for fire api without submitting the form and i fetched data in response successfully if Mobile number matched. But i don't understand h

count the devices that has the same firmware

Just want to count the number of devices and display it here: I have tried using "SELECT DISTINCT Firmware, COUNT(SerialNumber) FROM SoftwareCycle GROUP BY Mod

MySql server not showing proper databases from Ubuntu server

I'm using wsl2 on a windows machine. I want to view my databases that I have on mysql server ubuntu in a GUI such as mysql workbench (on windows) but it seems a

Syntax error when parsing variable from XML within an SQL stored Procedure

So, I'm trying to run a stored procedure within another stored procedure and parse out some XML data into a variable. It is giving me a syntax error on the fir

Invalid parameter number in Laravel Raw Query

I have the following query in mysql select count(*) as aggregate from `promotions` where `supplier_id` = 1 and '2022-03-27' <= promotions.to AND '2022-04-27'

MySQL - Fetch millions of data in chunk with constantly changing data

Below is the schema of my table A. CREATE TABLE A ( NAME VARCHAR(255), CREATED_AT DATETIME DEFAULT CURRENT_TIMESTAMP, UPDATED_AT DATETIME DEFA

Add comments to delta

If a pyspark dataframe is reading some data from a table and writing it to azure delta lake Can we add comments to this newly written file? For e.g Df = sql("se

Updating RDS snapshot export into S3

We have some data in our Mysql RDS, which slows down our application, but it's no longer needed. So we want to remove old records but keep them somewhere so our

How to create a relationship in Laravel 9

I tried to create a relationship in Laravel for this, Expense has May ExpensesItem Expense has One ExpensesCategory But I could not create a relationship betwee