NoSQL vs SQL Databases | MongoDB Explained in 10 Minutes

SQL, NoSQL, Relational, Non-Relational, Table, Collection, Row, Document, Column, Field. What does it all mean??

Stick around. In this short video, Senior Developer Advocate Jesse Hall explains it all and hopefully helps you decide which database to learn and use in your next project.

Timestamps:
00:00 - Intro
00:44 - Overview
01:24 - SQL: Structure
03:02 - SQL: Schema
03:24 - SQL: Scaling
04:14 - NoSQL: Structure
05:13 - JSON (JavaScript Object Notation)
06:33 - MongoDB: Schema
07:11 - Terminology
07:39 - MongoDB Ecosystem
07:45 - MongoDB Self-Hosted
08:03 - MongoDB Atlas
08:34 - MongoDB Compass
08:55 - MongoDB Realm
09:13 - MongoDB Atlas Search
09:34 - MongoDB Charts
09:52 - MongoDB Online Archive
10:11 - MongoDB Data Lake

#mongodb #sql #nosql #database

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Introduction to Structured Query Language SQL pdf

SQL stands for Structured Query Language. SQL is a scripting language expected to store, control, and inquiry information put away in social databases. The main manifestation of SQL showed up in 1974, when a gathering in IBM built up the principal model of a social database. The primary business social database was discharged by Relational Software later turning out to be Oracle.

Models for SQL exist. In any case, the SQL that can be utilized on every last one of the major RDBMS today is in various flavors. This is because of two reasons:

1. The SQL order standard is genuinely intricate, and it isn’t handy to actualize the whole standard.

2. Every database seller needs an approach to separate its item from others.

Right now, contrasts are noted where fitting.

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NoSQL vs SQL Databases | MongoDB Explained in 10 Minutes

SQL, NoSQL, Relational, Non-Relational, Table, Collection, Row, Document, Column, Field. What does it all mean??

Stick around. In this short video, Senior Developer Advocate Jesse Hall explains it all and hopefully helps you decide which database to learn and use in your next project.

Timestamps:
00:00 - Intro
00:44 - Overview
01:24 - SQL: Structure
03:02 - SQL: Schema
03:24 - SQL: Scaling
04:14 - NoSQL: Structure
05:13 - JSON (JavaScript Object Notation)
06:33 - MongoDB: Schema
07:11 - Terminology
07:39 - MongoDB Ecosystem
07:45 - MongoDB Self-Hosted
08:03 - MongoDB Atlas
08:34 - MongoDB Compass
08:55 - MongoDB Realm
09:13 - MongoDB Atlas Search
09:34 - MongoDB Charts
09:52 - MongoDB Online Archive
10:11 - MongoDB Data Lake

#mongodb #sql #nosql #database

List of Available Database for Current User In SQL Server

Introduction

When working in the SQL Server, we may have to check some other databases other than the current one which we are working. In that scenario we may not be sure that does we have access to those Databases?. In this article we discuss the list of databases that are available for the current logged user in SQL Server

Get the list of database

Conclusion

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System Databases in SQL Server

Introduction

In SSMS, we many of may noticed System Databases under the Database Folder. But how many of us knows its purpose?. In this article lets discuss about the System Databases in SQL Server.

System Database

Fig. 1 System Databases

There are five system databases, these databases are created while installing SQL Server.

• Master
• Model
• MSDB
• Tempdb
• Resource

Master

• This database contains all the System level Information in SQL Server. The Information in form of Meta data.
• Because of this master database, we are able to access the SQL Server (On premise SQL Server)

Model

• This database is used as a template for new databases.
• Whenever a new database is created, initially a copy of model database is what created as new database.

MSDB

• This database is where a service called SQL Server Agent stores its data.
• SQL server Agent is in charge of automation, which includes entities such as jobs, schedules, and alerts.

TempDB

• The Tempdb is where SQL Server stores temporary data such as work tables, sort space, row versioning information and etc.
• User can create their own version of temporary tables and those are stored in Tempdb.
• But this database is destroyed and recreated every time when we restart the instance of SQL Server.

Resource

• The resource database is a hidden, read only database that holds the definitions of all system objects.
• When we query system object in a database, they appear to reside in the sys schema of the local database, but in actually their definitions reside in the resource db.

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Creating Cloud Database in MongoDB

How to create a free cloud NoSQL database using MongoDB Atlas

NoSQL databases gained massive popularity in recent years. Rather than storing everything in row and column values, NoSQL databases provide more flexibility. There are quite a few document-oriented NoSQL databases available like AWS SimpleDB, MongoDB, and others. MongoDB provides more flexibility and operations than other NoSQL cloud databases. This would be a series of articles containing information on how to create a MongoDB cluster for cloud databases, how to create collections, and do Create, Read, Update and Delete (CRUD) operations through MongoDB compass (GUI) or through Python (pyMongo). Furthermore, future articles will also contain some advanced operations. If you already know how to create a MongoDB cluster and connect to it through MongoDB compass GUI, you can ignore this article and go to the next one.

First of all, you need to create an account in MongoDB, it’s completely free and does not require credit card information to get MongoDB atlas. You can register through here. MongoDB Atlas provides the cloud database. Once you register, you can select the cluster you want. There are three options available, the one we will use is shared cluster since it’s great for small projects and learning purposes, and it is free. As the name suggests, it will be a shared cluster while other clusters provide more advanced and dedicated services.

#mongodb-atlas #nosql #nosql-database #mongodb #mongodb-compass #creating cloud database in mongodb