![]() How do I combine ANDs and ORs in MongoDB querys? WHERE (Country = "Germany" OR Country = "France") If we want to retrieve all the customer that come from Germany or France we will use this command: How to make a MongoDB query with an OR condition? We will use the $and operator explicitly when we use it more complex queries mixing different conditions – as we will see in the next examples to come. There is an $and operator, but in this simple scenario we can leave it implicit. In MongoDB we filter by mutiple fields by separating the different fields we want to use as a filter by comas. SELECT * FROM customers WHERE VIP IS true AND Country = "Germany" To retrieve all the customers in our collection that are from Germany, and are VIP we will run this command: How do I filter a MongoDB collection by multiple fields? Now, without further ado let’s dive into how we can extract data from our MongoDB customers collections. Each customer object has the following self-explanatory fields: In our examples we will use a collection that contains a list of customers. If you want to try your hand at MongoDB, but you don’t want to go through the hassle of installing MongoDB in your computer you can use an online MongoDB playground like this one here, or this one. If you are new to MongoDB, you may want to read first this post about how to install MongoDB and its basic commands. MongoDB find string does not contain in the documentĪlso, check: Export MongoDB to CSV MongoDB find where the string contains In this article, we have gone through the definition, syntax, and how filters function in MongoDB.When working with MongoDB there are some operations we perform over and over again to retrieve information from the database: let’s see the ways to query the MongoDB collections filtering by different conditions.įor those coming from a traditional SQL background, I will provide also the SQL equivalent of the MongoDB statements. MONGODB COMPASS FILTER CODEĮxamples and code implementation are also provided. The array field’s elements are filtered using the MongoDB filter operator. When we want to find out the documents with conditions “where the string contains” then we will use the regular expression $regex operator and in which define the value string that we want to find. ![]() Click on OPTIONS drop-down button on the left side of the FIND button. Now, we will understand with the help of an example and find documents where the string contains. And it provides various option that can perform FILTER, PROJECT, SORT, and COLLATION. Now, we define following two queries and find multiple values from the documents as per the condition. ![]() The following documents were inserted into the details collection. Now, we will apply the below query to find where the string contains: db.details.find() Learn how businesses are taking advantage of MongoDB. Webinars, white papers, data sheet and more. Step 1: When you log in to Compass, an initial dialogue will appear. The following example filters the items array to only include documents that have a price greater than or. Step 2: To get the deployment connection string for an Atlas cluster, go to your Atlas cluster view. MongoDB MongoDB is a cross-platform document-oriented database program. Step 3: Click Connect for the cluster you want to connect. ![]() Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. Learn More, MongoDB Compass MongoDB Compass is the GUI for MongoDB. Step 4: After that, click Connect with MongoDB Compass and copy the provided connection string. ![]() In this tutorial, you will learn how to can apply filters on Mongo DB documents, in order to retrieve the data that you are interested in. Here, The $options with the “i” parameter specify that we want to carry out the search no matter if we find the letters ‘Co’ in lower or upper case. ![]()
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