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Check if a field exists in MongoDB

Publish Date:2025/04/29 Author:JIYIK Category:MongoDB

This article will tell you about all the fields in a database and how to check if they exist. In addition, you will learn how to check if an embedded field exists in a database. Fields in the database A field is a physical structure that ho...

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Starting MongoDB from Windows

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

Use this MongoDB tutorial article to install and start MongoDB 5.0 Community Edition on Windows using the default installation wizard. This article uses the default MSI installation process to install MongoDB on Windows. However, system adm...

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MongoDB truncate collection

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

A collection is nothing but a folder that contains all the documents. When using capped collections, there is a cap on the number of records you can add to the collection. The maximum size of a document is 16MB. Sometimes you want to build...

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Add a new field to each document in a MongoDB collection

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

This article will discuss the $set and $setOnInsert operations. In addition, the issue of adding fields to a collection in MongoDB is also briefly explained using these two operators. $set operator in MongoDB The $set operator changes the v...

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Clear or delete a collection in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

This article will discuss the issue of deleting collections in MongoDB. The following are different ways to delete collections in MongoDB. MongoDB delete collection There are two ways to delete a collection in MongoDB. After running the dro...

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Comparing fields in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

Sometimes, we need to find a document by comparing two fields. For example, we may need to consider both the sequence number and the ID number when selecting documents in a MongoDB collection; we will see this later in this tutorial. In thi...

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Importing CSV files in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

This article is dedicated to helping you use the mongoimport command, which allows users to import CSV files into a database in MongoDB. This article explains what a CSV file is. An example CSV file is provided at the beginning to help you...

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Exporting a collection to CSV format in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

This article discusses in detail about exporting a collection to CSV format in MongoDB. We have two methods to export a collection to CSV format: Studio 3T and MongoExport. Export a collection to CSV format in MongoDB using the Studio 3T Ex...

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Autoincrement in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

Most SQL query languages ​​include a keyword for making a field auto-increment, but in MongoDB it is a bit more complicated. In MongoDB, there is no keyword for auto-increment. This article will show us how to insert data in MongoDB col...

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Unique Index in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

In this article, you'll learn about unique indexes, including what they are and how to create them in MongoDB. Additionally, the process of making a user's email unique in MongoDB is briefly described. The contents of this article are as fo...

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Building the MongoDB REST API

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

MongoDB is a flexible and scalable document-oriented database system that is widely used for large-volume data storage. It uses documents and collections instead of the traditional rational database approach of using tables and rows. MongoD...

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Convert string to date in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

MongoDB is an excellent platform that is growing in popularity. Among the various features it offers, MongoDB also allows you to convert data from one type to another. This may seem like a complex function, but it is very simple to execute....

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Comparing Dates in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

Date is a common field in most databases, and sometimes we need to find exact documents from a collection in MongoDB. For example, if we have a collection of orders, we might search for those documents before or after a specific date. In th...

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Find objects between two dates in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

In this article, the problem of finding objects between two dates was briefly discussed. In addition, the operators $gte, $lte, $gt, and $lt used for this purpose were briefly explained in detail. Querying date ranges in MongoDB This sectio...

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Date comparison in MongoDB

Publish Date:2025/04/28 Author:JIYIK Category:MongoDB

This MongoDB tutorial discusses the issue of returning Date-based queries. In addition, there is also a good tutorial on how to use Date Range queries in MongoDB. Using date ranges in MongoDB We will learn to write MongoDB date range querie...

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