This query is taking more than 90 seconds UPDATE `tableA` SET `bill_no` = NULL WHERE `tableA`.`payment_no` = 'S00005303'; how to find the cause of slowness I checked show processlist; and there are no other queries running at the same time.
I am trying to find the MIN and MAX of a simple data set.... Score 15 12 8 28 5 Simply doing this would work. SELECT MIN(Score) AS minScore, MAX(Score) AS maxScore FROM Scores; Which should return 5 and 28.…
I was working on a test project as a practice and when I tried migrating it to the database (MariaDB PhpMyAdmin), I get this error django.db.utils.OperationalError: (2026, 'TLS/SSL error: SSL is required, but the server does not support it') This…
I have a mysql dump that I need to import. The syntax of the file is like this: DROP DATABASE IF EXISTS db1 CREATE DATABASE db1 USE db1 CREATE TABLE A INSERT INTO TABLE A VALUES(...) .. DROP DATABASE IF…
This is the error when i try to run php artisan migrate: IlluminateDatabaseQueryException could not find driver (Connection: mysql, SQL: select exists (select 1 from information_schema.tables where table_schema = 'fitnessapp' and table_name = 'migrations' and table_type in ('BASE TABLE', 'SYSTEM…
"I was using phpMyAdmin with Laragon without any issues, then after a restart, I am getting this error. What configuration changes should I make, please?" I tried to do the update, but I couldn't retrieve the data from the backup.
I now how to create the procedure but do not know how to call the procedure this is what I have done. Created the procedure : CREATE PROCEDURE SelectAllCustomers AS SELECT * FROM Customers GO; I have created it but…
I'm working on a Spring Boot application using Spring Data JPA, and I'm trying to create a repository method that retrieves a random list of questions from a Question table based on a specified category. I attempted to use the…
How can I find all rows in a table of data, which are relative to the result of some calculation between data from rows in another table? (As an example, for an eshop, I want to find all products (rows)…
So if I understand correctly we can choose a binary format (protobuf, thrift or avro) when we want better performance as the data are represented in a more compact way and we don't have the extra overhead of JSON/XML parsing…