Test platform Used - HackerRank | MySQL/MSSQL Recently attempted an code assessment for a job post involving SQL questions. I was able to get the correct output
I had one admin user with username = root (had admin privileges) and password =admin then i created new user with username =root (have no privileges) and passwo
I have a function deployed in GCF which is executed in node js. And it works with Cloud SQL instance of MySQL. And I receive this warning from time to time. Cl
I've started learning SQL on Friday. I'm using pgAdmin4 I'm having trouble with one line on this code: SELECT first_name, last_name, nationality, date_of_birth
I have a table, has field named date with type date. I have a row with date=2021-08-11, I want to perform an update, if table.date is more than 2 days from curr
So I have a query that produces a table like the below, without the avg column. I'm trying to figure out how to add the avg column. The average should be from t
I have created 3 tables: accounts, products, claims. These are the relationships: Accounts: PK - username Products: PK - serial number, FK - username Claims: FK
I'm using Fedora 29. I'm try to run mariadb.service with command:systemctl start mariadb, and give error:Failed to start mariadb.service: Unit mariadb.service n
When trying to install composer in laravel project get this error. Illuminate\Foundation\ComposerScripts::postAutoloadDump @php artisan package:discover
The size of the null value list is one byte in mysql Innodb with compact row format. If there are many columns with null values, won't they overflow.
I want to update the specific column in MySQL after any change occurred in a row. I use below query to create trigger but when to change record data, an error h
I want to merge two tables and subtract the number of orders in resulting table from left join from the resulting table in inner join. This is what I have done
I'm still fairly new to XAMPP and it has been running great until I started work this morning. Here is the error log file information. When I try to start MySQL
I'm running a Docker mysql container on my Mac laptop. Previously I was able to connect to it from the host OS with the mysql client. However, somehow it got de
I'm trying to return the faculty data with it's corresponding students, professors, subjects and grade, I get this Error 500: I want postman to return this: to
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,
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
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
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
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