Unix and Linux
SQL Server
SQL
Python
Programming C
PHP
NodeJS
MongoDB
jQuery
JavaScript
HTTP
HTML
Git
Database
Data structure and algorithm
CSS and CSS3
C ++
C #
AngularJS
25 May 2019
Map Reduce in MongoDB
In MongoDB Documentation, Map-Reduce is a data processing system that condenses a large amount of data into useful overall results. MongoDB uses mapReduce command for Map-Reduce
Program - Page 48
Learn basic programming with C, C++, Python, JavaScript, PHP, CSS, HTML5 programming languages. You can also find tutorials on databases, SQL Server here.
25 May 2019
Text Search in MongoDB
Starting with version 2.4, MongoDB started supporting Text Indexes to search within the string content.
25 May 2019
Regular Expression in MongoDB
Regular Expression is used frequently in all languages to search for a pattern or a word in any string. MongoDB also provides Regular Expression to match Pattern matching in
25 May 2019
Working with Rockmongo
Rockmongo is a MongoDB management tool. Using it, you can manage your Server, Database, Collection, Document, Index, .... It provides a very friendly way for users to read, write
25 May 2019
Auto-Increment Sequence in MongoDB
MongoDB does not have the auto-increment out-of-the-box feature like SQL Database. By default, it uses a 12-byte ObjectId for the _id field as the Primary key to uniquely identify
25 May 2019
GridFS in MongoDB
GridFS is the MongoDB Specification for storing and collecting large files such as images, audio, video files, etc. It is a type of file system to store files but its data is
25 May 2019
Capped Collection in MongoDB
Capped collections are fixed-sized Circular Collection that follow the insert order to enhance the performance of create, read, and delete operations.
25 May 2019
Overview of MongoDB
MongoDB is a cross-platform database, operating on the concepts of Collection and Document, it provides high performance, high availability and easy scalability.
25 May 2019
Advantages of MongoDB
Any Relation Database has a unique Schema Design to index the data tables and relationships between those tables. Meanwhile in MongoDB there is no concept of relationship.
25 May 2019
Data modeling in MongoDB
Data in MongoDB has a flexible Schema. Documents in the same Collection need not have the same set of fields or structures, and common fields in Collection Documents can keep
25 May 2019
Create Database in MongoDB
The use DATABASE_NAME command in MongoDB is used to create the database. This command will create a new database, if it does not exist yet, otherwise, this command will return the
25 May 2019
Delete Database in MongoDB
The db.dropDatabase () command in MongoDB is used to delete an existing database.
25 May 2019
Create Collection in MongoDB
Method db.createCollection (name, options) in MongoDB is used to create Collection.
25 May 2019
Delete Collection in MongoDB
The db.collection.drop () method in MongoDB is used to delete a Collection from the database.
25 May 2019
Data type in MongoDB
MongoDB supports many different data types. The following are some typical data types.
25 May 2019
Insert Document in MongoDB
To insert data into Collection in MongoDB, you need to use the insert () or save () method.
25 May 2019
Query Document in MongoDB
To query data from Collection in MongoDB, you need to use the find () method in MongoDB.
25 May 2019
Update Document in MongoDB
The update () method updates the values in the existing Document while the save () method replaces the existing Document with the transmitted Document in that save () method.
25 May 2019
Delete Document in MongoDB
The remove () method in MongoDB is used to delete the Document from Collection. The remove () method takes two parameters. The first parameter of the deletion criteria determines