Code360 powered by Coding Ninjas X Naukri.com. Code360 powered by Coding Ninjas X Naukri.com
Table of contents
1.
Introduction
2.
Features of RavenDB
3.
How to create a new RavenDB database
4.
Running RavenDB in the console.
5.
Indexes and Performance
6.
FAQs
7.
Key Takeaways
Last Updated: Mar 27, 2024

RavenDB Introduction

Master Python: Predicting weather forecasts
Speaker
Ashwin Goyal
Product Manager @

Introduction

RavenDB is a NoSQL Document Database for applications operating on the cloud or on-premise, and it is designed especially for the. NET/Windows platform. If you do not know of working with a document database before, the easiest way to start about it is to imagine serializing your objects and storing them on the hard drive where the app is. If you kept it using the key or whatever most common lookup method you might use If we don't want to map to and from columns and rows in a SQL database, it would be pretty easy to get your entire data. It requires commercial licensing to be used(with special pricing for BizSpark startup organizations). 

Also see, Multiple Granularity in DBMS

Features of RavenDB

  • Easy to Use
    It is written in C#, .NET, and is easy to operate. Data can be queried optimally using LINQ queries from the .NET code or RESTful (REpresentational State Transfer) APIs.
  • Scalability
    It is highly scalable and is built for web-scale. It provides replication and sharding support out-of-the-box.
  • Document Data Compression
    The database schema in RavenDB is no longer constant. Data is stored schema-less as JSON documents so that the papers can have arbitrary structures and attributes associated with them. Internally, RavenDB makes use of indexes that are automatically created based on your usage or were created explicitly by the consumer.
  • Multisystem
    RavenDB can work on Windows, Linux, Mac OS, Docker, Raspberry Pi.
  • Multiplatform
    RavenDB engages well with other relational databases, e.g., C#, Node.js, Java, Python, Ruby, and Go.
Get the tech career you deserve, faster!
Connect with our expert counsellors to understand how to hack your way to success
User rating 4.7/5
1:1 doubt support
95% placement record
Akash Pal
Senior Software Engineer
326% Hike After Job Bootcamp
Himanshu Gusain
Programmer Analyst
32 LPA After Job Bootcamp
After Job
Bootcamp

How to create a new RavenDB database

When using RavenDB, you have a client application that communicates with a database server. The client application will communicate with the RavenDB database server over HTTP.

The following figure illustrates the basics of RavenDB client/server application architecture:

Steps:

  • Click on Databases after Loggin in into your RavenDB dashboard. 
  • Click New Database in the resulting window. 
  • Give your new database a name according to the rules that are It can contain the special characters "-," "_," and. ", and any combination (less than 128 characters) of upper and lowercase letters numbers. 
  • You can configure the Replication factor Once you have your name set.
  • Your Replication factor will be one if this is a stand-alone RavenDB server; otherwise, you can configure this number to equal the number of nodes in the collection. 
  • Now configure the database path by Setting the directory path for database data.
  • You can now create documents by clicking New Document after clicking on the Database name

Running RavenDB in the console.

Running RavenDB in the Console mode is damn beneficial for learning and testing purposes. RavenDB must be operated as a Windows service or be hosted by IIS as a web application in a production environment. This assumes that RavenDB will be more secure and will run faster.

  • Select the target for the script you want to run. The options are Server and Database.
  • If you selected database as your target, use this dropdown menu to select which database to run the script against.
  • Write your javascript code here. The server or database you have chosen as your target is represented by the variable server or database, respectively.
  • The output of the script.

Indexes and Performance

RavenDB indexes are either variable size keys and values, or fixed-sized B+tree where keys are Int64 and values are fixed at creation time. The description of the indexes is provided by RavenDB's custom storage engine, Voron. The documentation states that a table comprises raw data sections and indexes under the hood, regular or fixed-size B+Trees. In addition, RavenDB couples Lucene's indexing engine (which provides inverted indexes) with an additional Voron layer that provides ACID guarantees. Lucene's indexes and indexing engine are leveraged during query execution when performing the full-text search or handling Lucene-syntax clauses.

FAQs

  1. What is RQL?
    RQL stands for Raven Query Language, similar to any SQL language. It is used to get the data from the server when any queries are being executed. It is specially designed to take out from outside any query pipeline of RavenDB in a way that is easy to understand, simple to use, and not hard to work for the user.
     
  2. What is RavenDB Management Studio?
    The RavenDB Management Studio is an integrated and graphical environment that helps administer, manage, and configure the RavenDB server.
     
  3. What are the types of authentications method in RavenDB?
    There are mainly two types of authentications method in RavenDB.
    Windows authentication
    This is the authentication method chosen when a client request needs to be authenticated and any other authentication method cannot be detected.
    OAuth authentication
    OAuth is an authorization framework that allows the application to obtain limited access to an HTTP service, which may be on behalf of a resource owner or by allowing the application to get access on behalf of its own.

Key Takeaways

In this article, we learned about the brief introduction of the RavenDB. We learned how to create a new RavenDB database and run it in a console. We introduced a few features of RavenDB by which RavenDB has the upper hand among all other databases. We also learned about the indexing and performance of RavenDB.

Visit here to learn more about different topics related to database and management systems. Ninjas don't stop here. Check out the Top 100 SQL Problems to master frequently asked questions in big companies and land your dream job. Also, try  Coding Ninjas Studio to practice a wide range of DSA questions asked in many interviews.

Next article
RavenDB Implementation
Live masterclass