I need some help with the query below - I am trying to pull information regarding price and multiply with the quantity & insert the sum into the table. So far I have, update passenger_baggage SET passenger_baggage.total_baggage_cost=passenger_baggage.passenger_baggage_quantity*baggage_type.baggage_type_cost FROM passenger_baggage INNER…
I am trying to empty the database of any data, while keeping the relationships and tables as they are I have no idea if my thinking is right or wrong
I have the following SQL query: SELECT `NeighbourhoodName`, count(NAME) as `Number of Parks`, sum(CASE WHEN `parks`.`Advisories` = 'Y' THEN 1 ELSE 0 END) as Advisories, FROM parks GROUP BY `NeighbourhoodName`; In the second line of the code, I create a…
When i run this query: db.friendRequests.aggregate([ $lookup: { from: "users", localField: "author", foreignField: "_id", pipeline: [ { $match: { $expr: { friend_id: new mongoose.Types.ObjectId(userid), }, }, }, ], as: "userdata", } ]) It returns every entry in the collection, but…
So, in my project, a user needs to register first before logging-in. I am trying to display their first, middle and last name. But, I am having a problem since multiple data are displayed on my input field. What is…
I am creating something like google drive or some cloud using PHP and HTML where you can save your files but i have problem with saving files to binary code and uploading it to database. I mean i want to…
language: Python 3.7.0 mysql-connector-python==8.0.31 I'm working on a website and have just implemented a database. The response I'm getting from the database looks like this: [('indigo', 'admin')] How do I extract the two values from the tuple in a list…
I am getting the error below when I try creating a database. Here is the database.yml: default: &default adapter: postgresql pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %> timeout: 5000 development: adapter: postgresql encoding: unicode database: MyDatabase host: localhost pool: 5…
I'm a junior web developer trying to develop my first Ruby on Rails project. I'm following this guide to deploy the app on render.com. However, after installing rails and following this command to create a database (I'm on Ubuntu): rails…
In this case I have seen the official documentation of choreo, ballerina, but I could not find how to execute a query where I need to filter by the ObjectId, In Java I could do it by importing BSON, but…