I have encountered occasion where I have to change database column 'price' 's data type from string to decimal. Problem is in the database there are some incorrect existing values like '120.45.32' this shold corrected into '12045.32'. I have tried,…
I am trying to check if there are matching emails in multiple tables, and if there are, then display the status of the emails per table. Here is the query I've been using to check 3 tables: SELECT rr.`email` ,…
I'm encountering an issue where my MySQL server on XAMPP shuts down unexpectedly. The error message in the XAMPP control panel states Error: MySQL shutdown unexpectedly. This may be due to a blocked port, missing dependencies, improper privileges, a crash,…
In laravel referral system i want two foreign keys(userId,parentId) if user registers using referral code I defined two foreign keys (userId,parentId) in the network table when a user registers with a referral code. It's id, and its parent ID get…
I've recently got myself in a problem while I was doing a personal project using Angular, NodeJS and MySQL. I was doing the sign up and log in processes and I decided to encrypt password using bycrptjs. The problem is…
Tech stack : Java 17 , SpringBoot 3.3.2, MySQL 8.0.27 ,JPA, Liquibase, Docker I'm tring to deploy springboot application with mysql using Liquibase as shema migration tool.Here images,containers and database also created successfully.but when springboot app attaching to mysql its…
Is it possible to create a query containing the profiles (table: profiles) with another column containing an array of all the modifications made to the profiles (table: profiles_log)? I want a query with this result : I want to build…
I am trying to retrieve data using below query which is running forever. basically I am doing student level grouping by passing parameters from t4 tables rows. t1 row count: 25 million CREATE TABLE `t1` ( `id` int NOT NULL…
This command produces 18 errors that I have not been able to trace after a number of hours of looking: INSERT INTO `All_Wainwrights` (`id`, `fellName`,`done`, `metres`, `completed_date`) VALUES ('NULL', 'Nethermost Pike', '1','891','2923', '06/02/1967'); Unexpected beginning of statement. (near "INSERT INTO " at position 0) Unexpected beginning…
I have two tables having different columns and two columns are common. Some of records are same in both the tables. Need to query to fetch all two table records with joining column, Used MySQL database. Table1 - T1 transaction_id,…