Databases & DBA
A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. Here you may find Databases & DBA related articles and news.

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  • How to Handle Null Values in MYSQL Server

    Here we will learn how to handle null values and null values functions in MySQL.
  • Redis Changes Its Licensing Model

    Redis Labs has announced Redis Source Available License (RSAL) to communicate its terms more clearly with the open source and developer communities.
  • Types Of Database Management Systems

    There are multiple types of database management systems such as relational database management system, object databases, graph databases, network databases, and document db. In this article, we discus
  • Overview Of SQLite

    In this article, I will show you how to use SQLite in Android Studio to create the Android database. SQLite is an open source project and an embedded relational database engine which is used to manipu
  • What Are The Advantages And Usage Of Apache Cassandra Database

    This article reviews basics of Apache Cassandra and its advantages and usages. Apache Cassandra is the easiest truly big-data database that can scale and replicate data globally in a master-less confi
  • Are The DBAs Paranoid By Nature

    With respect to the job functions of Database Administrators, the term “paranoid” does not necessarily imply that they are under an extreme state of paranoia; however, perhaps in their zealous effort
  • PostgreSQL - Some Basics

    There are many differences in the syntaxes of PostgreSQL and other database queries. Mentioned are some commonly used ones.
  • Find Methods, Operators, And Filters In MongoDB

    In this video of MongoDB Series, I will show how to import JSON data to a MongoDB Database (Collection) and perform some operations with find and findOne methods. Also, we will see some queries with c
  • How To Install MongoDB Locally And Perform CRUD Operations (Basic-Query)

    This video explains how to perform basic CRUD operation on MongoDB using MongoShell. We will learn the functionality and usage of find, insertOne, insertMany, deleteOne, deleteMany, updateOne,updateMa
  • DataTypes In MongoDB

    In this article, we will learn about the Datatypes and its usage in the MongoDB. As we already know, MongoDB stores data in BSON format. BSON stands for the Binary-encoded format of JSON. Using BSON,
  • Creating Your First MongoDB Atlas Cluster

    MongoDB Atlas is an online no-sql database that allows you to run a MongoDB database as a service. Running MongoDB as a service means that you no longer need to host your own servers or manage upgrade
  • MongoDB Database Backup And Restore

    Open command prompt by pressing window + R and change directory to the location in which MongoDB server is saved. Go to MongoDB folder >Server >bin folder and copy the folder address. In my syst
  • Working With Databases In MongoDB

    In this article, we will learn about Database in MongoDB. If you are new to MongoDB then I would recommend you to go through the previous article in this series.
  • Configure A Windows Service For MongoDB

    In this article, we will learn how to configure a Windows Service for MongoDB.
  • Retrieve Operation In MonGoDB Using Robo 3T

    In this article, we will learn how to retrievethe data from MongoDB. We will learn from the basics because I have written this Series of articles focusing on the beginners.This article give some basic
  • How To Set Up And Start With MongoDB

    In this article, we will learn How to set up and starts with MongoDB in Windows Operating System.
  • Update Operation In MonGoDB Using Robo 3T

    In this article, we will learn how to Update the data from MongoDB Using Robo 3T. We will learn from the basics because I have written this article focusing on the beginners. In my previous article, w
  • Normalization In Databases

    Sometimes the database design that looks Ok at first sight may have some hidden problems. One such kind of problem is Non-Atomic Values. This means that the value that stored in a single column in the
  • Delete Operation In MonGoDB Using Robo 3T

    In this article, we will learn how to delete the data from MongoDB using Robo 3T. We will learn from the basics because I have written this article focusing on the beginners. In my previous article, w
  • Insert Operation In MongoDB Using Robo3T

    In this article, we will learn how to insert data in MongoDB using Robo 3T. We will learn from basics because I have written this article focusing on the beginners. We will also learn how we can setup
  • Getting Started With SQLite

    Getting Started With SQLite. SQLite is a lightweight local database and it's become the industry standard for mobile apps. Learn SQLite, SQLite tutorial.
  • Install Multiple Versions Of MySQL On Mac

    To install MySQL on Mac, the two most common ways are Docker and Homebrew service. But Docker might be too big and eat up a large portion of memory, or sometimes you feel clumsy configuring the local
  • Extended Security Updates No More Freebies

    As data professionals, we should always strive to keep our systems updated and patched to ensure proper security of our environments. Microsoft has moved away from releasing service packs to releasing
  • MongoDB - Day 1 (Introduction To MongoDB)

    This article provides an introduction to MongoDB. MongoDB is a document-based open-source database. MongoDB is a leading NoSQL database.
  • SQL Server 2016 Install - Issues "Oracle JRE 7 Update 51 (64-Bit) Or Higher Is Required For Polyb...

    When Install the SQL Server 2016 got "Oracle JRE 7 Update 51 (64-bit) or higher is required for Polybase" Failed
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