Show items from a DB in a Post

1. How do I view the contents of a collection in MongoDB?
2. How do you retrieve data from a database?
3. How do I display a SQL database?
4. How do you show databases?
5. How do I list all files in MongoDB?
6. How do I list all databases in MongoDB?
7. Which is data retrieving tool?
8. What are data retrieval tools?
9. How a database is connected to a website?
10. How do I switch between SQL databases?
11. How do I get a list of database tables in SQL Server?
12. How do I get a list of users in SQL Server database?

How do I view the contents of a collection in MongoDB?

To obtain a list of MongoDB collections, we need to use the Mongo shell command show collections . This command will return all collections created within a MongoDB database. To be able to use the command, we'll first need to select a database where at least one collection is stored.

How do you retrieve data from a database?

Fetch data from a database

1. Start by creating a new app.
2. Add a Screen to your app. ...
3. Add data sources to your app by referencing some Entities in the Manage Dependencies window (Ctrl+Q). ...
4. Publish the app by clicking the 1-Click Publish button. ...
5. It's time to load some data to the Screen.

How do I display a SQL database?

To view a list of databases on an instance of SQL Server

1. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.
2. To see a list of all databases on the instance, expand Databases.

How do you show databases?

The most common way to get a list of the MySQL databases is by using the mysql client to connect to the MySQL server and run the SHOW DATABASES command. If you haven't set a password for your MySQL user you can omit the -p switch.

How do I list all files in MongoDB?

Connect to a database using the getDatabase() method. Get the object of the collection from which you want to retrieve the documents, using the getCollection() method. Retrieve the iterable object containing all the documents of the current collection by invoking the find() method.

How do I list all databases in MongoDB?

7 Answers. Listing all the databases in mongoDB console is using the command show dbs .

Which is data retrieving tool?

The IRS Data Retrieval Tool (IRS DRT) allows students and parents who filed a U.S. tax return with the IRS to access the IRS tax return information needed to complete the Free Application for Federal Student Aid (FAFSA^®) form and to transfer the data directly into their FAFSA form.

What are data retrieval tools?

Data retrieval means obtaining data from a Database Management System (DBMS) such as ODBMS. ... The retrieved data may be stored in a file, printed, or viewed on the screen. A query language, such as Structured Query Language (SQL), is used to prepare the queries.

How a database is connected to a website?

Create MySQL Database at the Localhost

Create a Folder in htdocs. Create Database Connection File In PHP. Create new php file to check your database connection. Run the server.

How do I switch between SQL databases?

The only way to switch between databases right now is to misuse our loadbalancer. The application always uses the same ip to access the database server. The loadbalancer decides how this IP is resolved: After updates it uses the ip of the updated server.

How do I get a list of database tables in SQL Server?

Then issue one of the following SQL statement:

1. Show all tables owned by the current user: SELECT table_name FROM user_tables; Code language: SQL (Structured Query Language) (sql)
2. Show all tables in the current database: SELECT table_name FROM dba_tables; ...
3. Show all tables that are accessible by the current user:

How do I get a list of users in SQL Server database?

Answer: In SQL Server, there is a system view called sys. database_principals. You can run a query against this system view that returns all of the Users that have been created in SQL Server as well as information about these Users.