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PTU Mtech EEE Question Paper

Here you find the latest PTU Mtech EEE Previous Year Question Papers, During the exams every student needs the previous year question paper to  get to know idea about the questions asked and it hardly to find the Mtech EEE Previous Year Question Papers of Punjab Technical university on the web. Nowhere, All semesters papers are […]

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MongoDB : Aggregate Functions

Aggregate functions allow you to group together the documents and performs some computation on them, so that a single document is been return. . Retrieve the document from the database Note: We are using testDB database, and from the previous tutorial we are using collection as testCollection 1) Open a new command Prompt. 2) Enter “mongod“, […]

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MongoDB : Backup and restore

In this tutorial we will see about backup and restore data in Mongodb. Starting MongoDB Server and MongoDB Shell 1) Open a new command prompt. 2) Enter “ mongod” and then press ENTER. This is going to run mongodb in the background and we wait for connections on port 27017. Now MongoDB server is running , leave that […]

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MongoDB : Data Types

It stores documents on disk in the BSON serialization format. BSON is a binary representation of the JSON documents. Data format of BSON provides more data types than JSON. The mongo JavaScript shell and the MongoDB language drivers translate between the BSON format doucments and the language specificed document representation. BSON supports the following data […]

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ANU CDE exam 2018-2019 | ANU PGCET exam 2018-2019

Acharya Nagarjuna University is one of the premier institutes located at Guntur in Andhra Pradesh. Established in 1967 it has over 450 colleges affiliated under it. The university currently offers several UG courses, 47 PG courses and other research courses like M.Phil, Phd in range of subjects and other Medical and Technical courses. Every year […]