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Showing posts with the label MongoDB

Troubleshooting Guide: Windows 11 Taskbar Not Showing - How to Fix It

  If your Windows 11 taskbar is not showing, you can try several troubleshooting steps to resolve the issue. Here are some potential solutions you can try:

How to Get a List of All Tables in MongoDB?

  Photo by eberhard grossgasteiger: To get a list of all tables (or "collections" in MongoDB terminology) in MongoDB, you can use the show collections command. Here's how to do it: show collections; This will return a list of all collections in the current database. If you want to get more information about the collections, you can use the following query: db .getCollectionInfos (); This will return an array of objects, where each object contains information about a collection in the current database, including the collection name, the number of documents in the collection, the size of the collection in bytes, and the index information. Note that if you want to get a list of collections from a specific database, you can use the use command to switch to the desired database before running the show collections or db.getCollectionInfos() command. For example: use my_database; show collections; use my

How to create collection in MongoDB?

  To create a collection in MongoDB, you can follow these steps: Open your MongoDB shell by running the mongo command in your terminal. Choose a database by typing use <database name> , where <database name> is the name of the database you want to use. To create a collection, you can use the db.createCollection() method. For example, to create a collection named "users", you can run the following command: db.createCollection( "users" ) You can also specify options for the collection using an options object. For example, to create a collection with a maximum size of 100 megabytes and a document size limit of 16 megabytes, you can run the following command: php db. createCollection ( "users" , { capped : true , size : 100000000 , max : 16000000 }) This will create a capped collection with a maximum size of 100 megabytes and a maximum document size of 16 megabytes. Once you have created a collection, you can start inserting documents into it u