Category "mysql"

Sending Queries to a table in RMySQL, using R variables

I am trying to write data I have created in R and stored in arrays to MySQL table. Currently this is how I am doing it, for(z in 1:60){ dbSendQuery( mydb,

AttributeError: module 'sqlalchemy' has no attribute 'NullType'

I am trying to configure flask SQLAlchemy with MySQLWorkBench, The following command works good: flask db migrate -m'Config' But when I try to execute flask db

Getting slow query from SELECT COUNT(*) on WordPress

I have the query below and it gives me a count of 32,000. SELECT COUNT(*) FROM wp_term_relationships, wp_posts WHERE wp_posts.ID = wp_term_relationsh

MacOS MySQL WorkBench 8.0.25 Database does not display in Data Export )bject Selection

Screenshot of Data Export Screen showing dbMDRC ticked and no Tables When I try to make a backup with "Administration - Data Export" I tick dbMDRC as shown in t

node.js + mysql: "Cannot enqueue Handshake after already enqueuing a Handshake."

I'm attempting to make two functions, one which retrives an object from an SQL database, the other which saves an object to the same SQL database. I am using no

How to get distinct value and specific count from a query

Suppose I have the following table "Person": id name friends 1 matt jim 1 matt ray 1 matt ray 2 tim fry 3 sally jack 3 sally tim 4 matt harold I want to outpu

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) on Windows

when i want start mysql in windwos cmd i got this error ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) what can i do? mysql

How to use pandas.to_sql but only add row if row doesn't exist yet

I have some experience with python but very new to the SQL thing and trying to use pandas.to_sql to add table data into my database, but when I add I want it to

PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: no such host known

I am new in PHP and when I am trying to connect my database with PHP it is showing error Uncaught PDOException: PDO::__construct(): php_network_getaddresse

How can i overcome AWS Aurora Data api timeout in 45seconds

AWS Aurora Data api(I'm using https://www.npmjs.com/package/data-api-client) has a fatal drawback of a 45-second timeout, is there a way to overcome it? The sea

mysql time format to get only hours and minutes

I am struggling with the syntax for a MYSQL query. I am currently just grabbing all fields via select * from TABLENAME. It works but the fields that are type=t

mysql time format to get only hours and minutes

I am struggling with the syntax for a MYSQL query. I am currently just grabbing all fields via select * from TABLENAME. It works but the fields that are type=t

SQLModel: how to load specific columns?

I tried to load specific columns from a table via the following method: from sqlalchemy.orm import load_only from sqlmodel import (Field, Session, SQLModel, cre

Refresh specific HTML content that retrieves data from MySQL

So i have a form that that does a simple calculation, depending on the users input. If the results is a certain value then it stores that value in a database, t

Error with creating a laravel foreign key

I'm trying to create a relational database and this is the error i get SQLSTATE[HY000]: General error: 1005 Can't create table somedumbtable.meals (errno: 150

get the most common value for each column

I'm attempting to create an SQL query that retrieves the total_cost for every row in a table. Alongside that, I also need to collect the most dominant value for

returning the LINESTRING of the part of a POLYGON that falls within another POLYGON?

I can see if two POLYGON's intersect with one another using MBRIntersects(g1, g2) but is there a way to return the LINESTRING part of g1 that falls within g2? A

live goelocalization of objects within a limited area with an existing data

I want to present and visualize multiple objects (with their height represented in cylinders, their directions, and other characteristics ) in a limited area o

Check if a number is prime or not in mysql

I am wondering what's the best way to check whether a number is prime or not using sql. I was able to generate the sequence of numbers from 1 to 1000 but I woul

Errors when connecting to MySQL local database

So, I have my local database, set it up, ran it from the windows services window. I open MySQL Workbench, and try to connect to the server. Hostname is localho