Mysql – Join tables on two column
I have tables with following structure TablePC no name party19 party24 1 A 1 1 2 B 1 2 party19 and party24 columns are Foreign key constraint to TableParty.no TableParty no name 1 X 2 Y My query select TablePC.name…
Mysql – Use @ literal in SQL command text
I want to change a password for a user in MySQL which requires @ symbol. However, C# SQL command uses that as a parameter holder and because of that the following command fails. command.CommandText = $"ALTER USER '{user}'@'%' IDENTIFIED BY…
Mysql – Generating a table with php from sql records
I want to generate a list in pdf of the passengers on a bus ride. My problem is, that in every second cell on the right side, there is the same person from the first cell in every row. And…
Phpmyadmin – How to reset myPHPadmin (mySql) password on MYCloud EX2 Ultra (Linux Armada 4.14.22-armada-18.09.3)
I forgot the root password for MySQL server on my MYCloud EX2 Ultra (4.14.22-armada-18.09.3) When logging in here: http:///phpMyAdmin/index.php I get: mysqli::real_connect(): (HY000/1045): Access denied for user 'test'@'localhost' (using password: YES) And within etc: I can find my.cnf: [mysqld] bind-address=127.0.0.1…
Mysql – The requests library is not installed google.cloud.sql.connector Python
I'm trying to set up a SQL server with Google, that I'm able to connect to with Microsoft SQL server, but when I try to connect with python, I'm not able to import google.cloud.sql.connector to my code. I installed the…
Mysql – How to join and one only match one by SQL
I have two tables as below. I want to update table_a.fid to table_b.id when table_a.name=table_b.name and table_a.value=table_b.value and table_b.id is not set to other table_a.fid table_a (a): id(int) name(varchar) value(varchar) fid(int) 1 name_a value_1 0 2 name_a value_1 0 3…
Laravel – Optimizing Query Performance for Matching Records Between Two Tables with Large Data Sets
I have a Laravel application where I'm retrieving data from two tables: LoginData and LocationStatus. The LoginData table contains records with a single IMEI, while the LocationStatus table contains multiple records for each IMEI, with a serverDatetime timestamp indicating when…
Mysql – Group By on certain condition but should display all rows in the original data
I have the below Data NAME AMT EID Tran John 4000 1 T1 Mary 5000 2 T2 John 8000 1 T3 Willi 5000 3 T4 Mary 1000 2 T5 I wanted to group by Name, EID and sum the AMT…
Php versions – php mysql UPDATE CASE usage where the fields to be updated are different for each row
CONTEXT: I have a mysql version 8 table as follows. id | field1 | field2 | ...... | field10 | timeStamp _______________________________________________________________ fieldN are float datatype. id is unique, and indexed. The values that need to go into this table…
MYSQL loop through year columns and stop at first not found
This is absolutely a bad practice, I know, but it's an abandoned project from a previous developer and I need to keep using the same structure. Basically, there's a table which has to be edited every year by adding a…