If there is a database by the name StudentMarks in MongoDB then you can use use StudentMarks command to switch that database and start working on this database. But let’s assume that there is no database by the name StudentMarks in MongoDB. In this case if you still prefer use StudentMarks command than can be still OK and create the database and switch to it or would this command cause an error? Explain what happens in both scenarios?

The idea of the project is to develop a simple Android app with real-time database. you decide your topic, what your app to be about. Four major functions are expected to be available in the app. These functions are Insert, Read, Update, and Delete data. You are required to use Google Firebase to implement the database.   The application allows the user to create a new object (Insert)   The application allows the user to delete information for an existing object. (Delete)   The application allows the user to browse existing information (Read)   The application allows the user to update existing object information (Update)   Application quality (functionality, design and user interaction, stability …)   use Google Firebase to implement the database   XXXXXXXXXXXXXXX plz other than (task manger) or (to do list) XXXXXXXXXXXXXXXX

Consider a view v whose definition solely refers to r. Does a user with update permission on v need to have update permission on r as well? So, why?

1. Load packages to work with Database Link.2. Open connection with SQL database named "publisher".3. Find the directory on your computer where the \ is locatedpublisher database In mathematica wolfram

Say the client's general ledger has an amount stored for a transaction. This amount is stored in the variable recorded_amount. You find an invoice for the transaction and store the invoice amount in the variable invoice_amount. You want to flag suspicious transactions. If the recorded amount does not match the invoice amount, the transaction is suspect. Your goal is to create a variable called flagThis Transaction whose value should be set to True if the recorded and invoice amounts do not match. It should be set to False if the amounts match. Complete the following code to create the variable flagThisTransaction. ]: recorded_amount = 37826 invoice_amount = 36482 个 v 모

When you use a transaction, the database tables/views/other resources used in the transaction are locked until the transaction is either committed or rolled back in order to ensure all modifications are either ALL made, or none of them made. Usually databases also have options on the level of locking used such as no one can read or make changes to those resources when locked, or users can’t make changes to the resources but they can read data in the tables/views/read access to resources.  Pick a potential problem with database locks on tables/views/resources and one popular way database administrators and / or database users use to address that problem?