Cosmos db example. Creating and exploring an Azure Cosmos DB from the portal.

Cosmos db example We'll see that an Object Id or Principal Id has been generated for our Cosmos DB account (I've blanked it out in the below picture, but it will be a randomly generated GUID): Jan 30, 2025 · This sample creates a new instance of the MongoClient type. Every time a new document is added into the collection (i. Open the Data Explorer pane and select the container that you want to work on. an event occurs such a user viewing an item, adding an item to their cart, or purchasing an item), the change feed will The Azure Cosmos DB for NoSQL supports the use of Structured Query Language (SQL) to perform queries on items in containers. Deployment of this sample to Azure Functions, Azure Cosmos DB, Azure OpenAI with managed identities and RBAC. cosmos. Find . Model v4; Model v3; The following example shows an Azure Cosmos DB trigger TypeScript function. cs , includes all the Gremlin queries that will be executed serially: Mar 8, 2024 · Thus, we’ve created Azure Cosmos DB Design Patterns — a GitHub repository filled with an array of examples. To run the sample, you must update the environment variables to include your account details (name, key, database and container) Please see Properties/launchSettings. examples. From there, you can download the sample to your Sample code repo for Azure Cosmos DB Java SDK for SQL API. Azure Cosmos DB Emulator; go installed on your computer, and a working knowledge of Go. This sample data is referenced in Azure Cosmos DB code samples Aug 14, 2024 · In addition, data can further be refined and processed by connecting Azure Cosmos DB data to HDInsight for Pig, Hive, or Map/Reduce jobs. Specifically, joins are scoped to that item and can't occur across multiple items and containers. RAGHack: Building RAG apps with Azure Cosmos DB for MongoDB Jan 26, 2022 · This tutorial is an overview of Microsoft Azure Cosmos DB and covers how to implement it using the Azure Cosmos DB for Free offering. Data is managed in two distinct storage tiers, transactional and analytical, with workloads operating on the same logical data without interfering with each other. Then, create databases and containers within the account. properties file with the details of your Azure Cosmos DB account. Jun 4, 2021 · This repository hosts sample data used by Azure Cosmos DB documentation. Select the “Vector Search in Azure Cosmos DB for NoSQL” feature. Your Azure Cosmos DB account contains a unique Domain Name System (DNS) name. Azure. This repository contains an example of an Event Store built on Azure Cosmos DB. This can result in inconsistent or incomplete query results. com:443/ azure. Oct 22, 2018 · How you can Set Up Azure Cosmos DB – A Simple Example. The Azure Cosmos DB REST API provides programmatic access to Azure Cosmos DB resources to create, query, and delete databases, document collections, and documents. If you'd like to run or edit the notebook in your own Azure Cosmos DB account, sign in and select an account with notebooks enabled. Feb 26, 2025 · In this quickstart, you deploy a basic Azure Cosmos DB for NoSQL application using the Azure SDK for . Jan 23, 2025 · An underlying database needs to scale and do so seamlessly. e. Note that the samples use the terms 'Document' and 'Item' interchangably. You need an Azure subscription and the following Azure resources to run these sample programs: Azure Cosmos DB account; Samples retrieve credentials to access the service endpoint from environment variables. Run the website to show generated data Transactional data management: planet scale Azure Cosmos DB database service to store transactional user and product operational data. The Go extension for Visual Studio Code. Relational or NoSQL Aug 14, 2024 · Find Python examples on GitHub for common tasks in Azure Cosmos DB, including CRUD operations. Azure Cosmos DB is Microsoft’s globally distributed multi-model database service. Enter the database name [default:CartsDemo]: Enter the container name [default:Carts]: How many carts should be created? 3 Check Carts for new carts Press Enter to exit. It also contains Azure Functions, and supporting classes, for CRUD operations: create, retrieve, update and delete. The next query returns all the families that are registered. NET API for NoSQL. families. For Azure Cosmos DB accounts configured for single-region writes, Azure Cosmos DB ensures that the client-side version of the item that you are updating (or deleting) is the same as the version of the item in the Azure Cosmos DB # then Azure Cosmos DB will throttle low priority requests to allow high priority requests to execute. The Cosmos DB client integration registers a CosmosClient instance that you can use to interact with Cosmos DB. The demo shows how a GPT-4o can be used for keyword extraction and translation, so users can search for products in any language and Cosmos DB vector indexes will match the best suited item in the store. Step 1: Create a resource. Welcome to the Azure Cosmos DB notebooks gallery! View the sample notebooks to learn about use cases, best practices, and how to get started with Azure Cosmos DB. Azure Cosmos DB for NoSQL SDK for Go; Database examples Aug 14, 2024 · Search for Azure Cosmos DB. Follow the below steps to register: Navigate to your Azure Cosmos DB for NoSQL resource page. team } FROM employees e WHERE e. These samples are meticulously curated to demonstrate the implementation of specific patterns, assisting you in addressing design challenges when utilizing Azure Cosmos DB in your projects. Use the SDKs to work with containers that have hierarchical partition keys. Create API for NoSQL resources Feb 25, 2022 · Azure Cosmos DB is a globally distributed, JSON-based database delivered as a ‘Platform as a Service’ (PaaS) in Microsoft Azure. The function writes log messages when Azure Cosmos DB records are added or modified. cosmos Azure Cosmos DB for NoSQL and OpenAI: Building Robust Applications with RAG pattern; Coffee 26: Vector Search with Azure Cosmos DB: Next-generation applications made easy; Building Generative AI Apps with Azure Cosmos DB for NoSQL; vCore-based Azure Cosmos DB for MongoDB. This is specified with the `priority` keyword. azd up During the provisioning process, select your subscription, desired location, and target resource group. Dec 3, 2024 · Vector indexing and search in Azure Cosmos DB for NoSQL requires enabling on the Features page of your Azure Cosmos DB. 0. A simple SQL query like SELECT * FROM products will return all items and properties from a container. Aug 14, 2024 · The latest sample applications that perform CRUD operations and other common operations on Azure Cosmos DB resources are included in the azure-spring-boot-samples GitHub repository. Sep 28, 2022 · If you are using an Azure Cosmos DB account, update Program. For a complete end-to-end walkthrough of creating this application, please refer to the full tutorial on the Azure Cosmos DB documentation page. If you usually work with relational databases, you have probably built habits and intuitions on how to design a data model. Aug 14, 2024 · Before you run the application, update the application. Rename the file to Properties/launchSettings. Mar 3, 2025 · The following are code samples that show common scenario operations with the Azure Cosmos DB SQL API client library. As you can see, the “Azure Cosmos DB” resource appeared in the search results. Prerequisites. NET. This article builds on several Azure Cosmos DB concepts like data modeling, partitioning, and provisioned throughput to demonstrate how to tackle a real-world data design exercise. Aug 22, 2024 · Examples. If you plan to query an Azure Cosmos DB container, you should not select lazy indexing. Step 2: Click on the “Create” Button Sep 26, 2024 · Warning. Azure Cosmos DB Overview. On the Create an Azure Cosmos DB account page, select the Create option within the Azure Cosmos DB for NoSQL section. Change Feed : The change feed will listen for changes to the Cosmos DB collection. This sample shows you how to use the Azure Cosmos DB with the NoSQL API to store and access data from a Python application. For more information, see Create an Azure Cosmos account, database, and container from the Azure portal. This first example uses a simple equality query to return a subset of items. Fully managed, distributed NoSQL, relational, and vector database for modern app development. Get started. The DatabaseManagement file shows how to perform the CRUD operations on the database. An Azure account with an active subscription. The Bicep templates also deploy a sample web application. In this example, we're using the ToDoList sample from the Quickstart . For a sample IoT solution using Azure Cosmos DB, Event Hubs and Apache Storm, see the hdinsight-storm-examples repository on GitHub. Feb 5, 2025 · Let’s walk through an example to better understand how to use Azure Cosmos DB emulator with GitHub Actions, which is a continuous integration and continuous delivery (CI/CD) platform that allows you to automate your build, test, and deployment pipeline using workflows. This sample shows you how to use the Azure Cosmos DB service to store and access data from a . Microsoft. The design emphasized tracking all cart changes as events within a single event store collection named `shopping_cart_event` , with `/cartId` as the partition key to optimize query Jan 4, 2024 · This connector provides triggers and actions that your workflow can use for Azure Cosmos DB operations. To perform operations on Azure Cosmos DB resources, you send HTTPS requests with a supported method: GET, POST, PUT, or DELETE to an endpoint that targets a resource collection or a Feb 26, 2025 · Use the Azure Developer CLI (azd) to create an Azure Cosmos DB for NoSQL account and deploy a containerized sample application. key=<enter Azure Cosmos DB db primary key> azure. You can also run queries by using the REST API or various SDKs. In our example, we’ll create a Spring web application that stores a product entity in an Azure Cosmos database and performs basic CRUD operations on it. children instead of select * from Families. The sample application uses the client library to manage, create, read, and query sample data. azure. This is a pre-created Azure Monitor Workbook that brings all these metrics together. Visual Studio Code. Query examples. Aug 14, 2024 · Write efficient queries, create indexing policies, manage, and provision resources in the SQL API and SDK with Microsoft Azure Cosmos DB. In this part of our Sep 26, 2024 · Azure Cosmos DB is a fully managed platform as a service (PaaS). Testing the API endpoints that connect with Azure Cosmos DB locally and in Azure. The next query returns all the families that aren't registered. NET Core Reference Application Feb 13, 2025 · Before running any of the samples, click the Deploy to Azure button below to create a Serverless Azure Cosmos DB account. Some paging example in Cosmos DB written as part of my blog post. Creating and exploring an Azure Cosmos DB from the portal. Before you can run this sample, you must have the following prerequisites:. Azure Cosmos DB's scale-out architecture is well-suited here with highly elastic throughput and storage. The = operator is used with the WHERE clause to create a filter based on simple equality. This sample creates an instance of the Database type using the get_database function of the MongoClient type. You create a new resource along with searching for cosmos. This sample shows how a Cosmos DB Vector Index can be used to improve the search functionality of a clothing store. This sample demonstrates: This will show how to create an Azure Function that will simulate shopping cart events for an event sourcing pattern which appends events to Azure Cosmos DB. Feb 26, 2025 · To get started with the . Dec 3, 2024 · Azure Cosmos DB containers store their indexing policy as a JSON document that the Azure portal lets you directly edit. plus some anecdotes and real-life examples from the world Dec 3, 2024 · Azure Synapse Link for Azure Cosmos DB. Aug 14, 2024 · Azure Cosmos DB Free Tier; Without an Azure active subscription: Try Azure Cosmos DB for free, a tests environment that lasts for 30 days. This repo contains a Powerpoint presentation and a Visual Studio solution that represents the demos for this presentation with three projects in it: Mar 4, 2013 · The sample will run the sequence of queries and print the results and response attributes returned by the Cosmos DB Gremlin API. Feb 26, 2025 · The . Azure Cosmos DB provides triggers that can be invoked by performing an operation on an Azure Cosmos DB item. This article describes how to use REST to query resources using the SQL API. Prerequisites Mar 24, 2022 · When we deploy our Cosmos DB account, we should see that a System-Assigned Identity for our account has been created by navigating to Identity in the sidebar. Clone this repository or download the zip file. This sample demonstrates how to migrate a relational database to a distributed, NoSQL database like Azure Cosmos DB. O nce the account is created a new database can be created using the Data Explorer: Aug 14, 2024 · Sample solutions that do CRUD operations and other common operations on Azure Cosmos DB resources are included in the main/sdk/cosmos folder of the azure/azure-sdk-for-python GitHub repository. Sep 26, 2024 · In this article. Aug 14, 2024 · The concurrent updates of an item are subjected to the OCC by Azure Cosmos DB’s communication protocol layer. Internally, Cosmos DB stores "items" in "containers", [3] with these two concepts being surfaced differently depending on the API used (these would be "documents" in "collections" when using the MongoDB-compatible API, for example). py - Examples of common tasks: Jan 23, 2025 · An underlying database needs to scale and do so seamlessly. Aug 14, 2024 · An existing Azure Cosmos DB for NoSQL account. This class is the Feb 25, 2025 · vCore based Azure Cosmos DB for MongoDB is expanding its offerings with the new cost-effective M10 and M20 tiers for vCore-based deployments. Keep those handy as you prepare each sample to run. Example query 4. Lazy indexing performs updates to the index at a much lower priority level when the engine is not doing any other work. Run the application (dotnet run from the command line). Let’s see a simple example of setting up Cosmos DB in Azure Portal. connection_string = "<azure-cosmos-db-for-mongodb-connection-string>" client = MongoClient(connection_string) Get a database. Oct 16, 2024 · This code will generate sample carts and create them in an Azure Cosmos DB for NoSQL account. get_database("<database-name>") This project contains the concrete implementations of the ToDo and ToDoComment entities and data stores - the repositories in a repository design pattern - that are persisted to Azure Cosmos DB. SELECT VALUE { employeeName: e. Sample project demonstrating how to use Entity Framework Cosmos Db provider References Project Structure - Microsoft eShopOnWeb ASP. Select Create > Azure Cosmos DB. Sep 9, 2021 · This is the first of two articles in which we will walk you through the steps for realizing your first Azure Cosmos DB implementation. For example, you can specify a pre-trigger when you're creating an item. Alternatively, edit the source code to include the appropriate credentials. json. This sample data is referenced in Azure Cosmos DB code samples Aug 14, 2024 · The following example of a stored procedure takes an array of new Azure Cosmos DB items as input, inserts it into the Azure Cosmos DB container, and returns the count of the items inserted. In this case, the pre-trigger will run before the item is created. Select the "Features" pane under the "Settings" menu item. To learn about the Azure Cosmos DB databases before running the following samples, see Working with databases, containers, and items conceptual article. To get the sample, just fork or clone the Azure Cosmos DB Embeddings Generator sample application from GitHub. By cloning and running these samples, and then studying their implementations, you will have an example for sending various requests to Azure Cosmos DB from Java SDK via the SQL API. It contains all demo code that I use in my Cosmos Event Sourcing talk. Sample NoSQL queries, their expected results, and seed data. You can connect to Azure Cosmos DB from both Logic App (Consumption) and Logic App (Standard) resource types by using the managed connector operations. It contains examples of how to use both the sync and async APIs. Query: db. No Azure subscription? You can try Azure Cosmos DB free with no credit card required. The scenario For this exercise, we're going to consider the domain of a blogging platform where users can create posts . Aug 14, 2024 · The cosmos-db-nosql-dotnet-samples GitHub repository includes multiple sample projects. uri=https://<enter Azure Cosmos DB db account name>. High performance, high availability, and support for open-source PostgreSQL, MongoDB, and Apache Cassandra. To connect to the API for NoSQL of Azure Cosmos DB, create an instance of the CosmosClient class. find( { "isRegistered" : true }) Results: No document is returned. Each pattern addresses specific scenarios and challenges, offering Jun 4, 2021 · This repository hosts sample data used by Azure Cosmos DB documentation. Cosmos DB SQL language allows you to get subitems by using the FROM clause, to reduce the source to a smaller subset. NET Core SDK 3. Queries can be even more complex and include specific field projections, filters, and other common SQL clauses: Sep 15, 2020 · In this article. Extensive work has gone into the Azure Cosmos DB provider in 9. Jan 31, 2024 · An introduction to Azure Cosmos DB and the various APIs it supports. Deploy the Azure Cosmos DB account using azd up. Oct 1, 2024 · Import the Microsoft. Aug 14, 2024 · For more information, see Azure Cosmos DB emulator. As an example, you can use select * from Families. . Building and deploying an ASP. 1 or higher; An active Azure Cosmos account or the Azure Cosmos DB Emulator - If you don't have an account, refer to the Create a database account article Aug 14, 2024 · Database examples. Oct 2, 2024 · Explore the Azure Cosmos DB Samples Gallery—your go-to hub for top-quality Azure Cosmos DB samples, technical guides, and resources from Microsoft and the community, including Azure OpenAI examples. Jan 14, 2025 · This sample shows how to use an Azure Cosmos DB Trigger and Output Binding in Azure Functions to automatically generate Azure OpenAI embeddings on a new or updated item, then save it back to the same item in Cosmos DB. But please note that: Aug 14, 2024 · Azure Cosmos DB supports two types of triggers: Pre-triggers. Find out more about Azure Cosmos DB Dec 12, 2024 · Azure Cosmos DB was named by Bloomberg as the no. The primary key for this container will be /id. Azure Cosmos DB for NoSQL is a schemaless data store allowing applications to store unstructured data in the cloud. name, currentTeam: e. Instead of joining data across entities and sets, like you would in a relational database, joins occur within a single item. NET Aspire Azure Cosmos DB client integration, install the 📦 Aspire. Jan 4, 2017 · In the first part of this series Getting Started with Azure Cosmos DB, we looked at using Azure Cosmos DB for saving an individual’s fitness routine and why this database structure is better for this data than a SQL database while also showing that we still have to organize our structure like a file system organizes files. Retrieve the Connection String value from the Keys blade of your Azure Cosmos account in the Azure portal. dotnet build Connect to Azure Cosmos DB for NoSQL. The queue trigger provides a parameter departmentId. Feb 6, 2024 · In our sample implementation, we explored the event sourcing pattern through the lens of a shopping cart application for an eCommerce company using Azure Cosmos DB. A workflow is a configurable automated process that can run one or more jobs. Pre-triggers can't have any input For example, if you replicate an Azure Cosmos DB account across three regions, you will pay for the total storage cost in each of those three regions. Gradio UI: Gradio to provide a simple UI ChatBot for the end Dec 4, 2023 · Azure Cosmos DB is a globally distributed, multi-model database service provided by Microsoft Azure. To begin using Azure Cosmos DB, create an Azure Cosmos DB account in an Azure resource group in your subscription. Nov 19, 2024 · Azure Cosmos DB also supports a Lazy indexing mode. Sep 9, 2021 · Configure Azure Cosmos DB. database=<enter Azure Cosmos DB db database name> azure. Now that we have a good understanding of the data model, we can create our Azure Cosmos DB account. cs with: The Azure Cosmos DB endpoint; The Azure Cosmos DB key; The endpoint is the URI and the key is the Primary Key on the keys pane of your Azure Cosmos DB account in the Azure Portal. json (gitignored) and fill in the details then run Sep 14, 2021 · All the information above and more can be viewed using Insights for Azure Cosmos DB. Git. Prerequisites Feb 26, 2025 · azd init --template cosmos-db-nosql-dotnet-quickstart During initialization, configure a unique environment name. Happy coding with Azure Cosmos DB and these powerful design patterns! Contributions Jan 5, 2022 · Cosmos DB: Cosmos DB will take in the generated data and store it in a collection. If you have an existing Azure subscription, create a new account. The Query Samples files for sync and async show how to do the following tasks using the SQL query grammar. APPLIES TO: NoSQL While schema-free databases, like Azure Cosmos DB, make it super easy to store and query unstructured and semi-structured data, you should spend some time thinking about your data model to get the most of the service in terms of performance and scalability and lowest cost. Cosmos Build the project with the dotnet build command. - Azure-Samples/cosmos-db-nosql-query-samples Jan 8, 2024 · Microsoft also provides a module that allows us to work with Cosmos DB using Spring Data. You will need the URI Primary Key and Connection String for these. Deploy and get started. These projects illustrate how to perform common operations on Azure Cosmos DB for NoSQL resources. find( { "isRegistered" : false }) Results: Jul 31, 2023 · The following example shows an Azure Cosmos DB input binding Python function that uses the binding. js. # Can be used for Read, Write, and Query operations. Cosmos NuGet package in the client-consuming project, that is, the project for the application that uses the Cosmos DB client. Dec 17, 2024 · The sample programs are compatible with LTS versions of Node. In order to improve the provider, a number of high-impact breaking changes had to be made; if you are upgrading an existing application, please read the breaking changes section carefully. Retrieval Augmented Generation (RAG): vector search in Azure Cosmos DB with powerful DiskANN index to serve product enquiries from the same database. database = client. team = "Hospitality" This repository hosts sample data used by Azure Cosmos DB documentation. In Azure Cosmos DB for NoSQL, data is schema-free and typically denormalized. NET Aspire Azure Cosmos DB integration uses the following log categories: Azure-Cosmos-Operation-Request-Diagnostics; In addition to getting Azure Cosmos DB request diagnostics for failed requests, you can configure latency thresholds to determine which successful Azure Cosmos DB request diagnostics will be logged. When you have a container that has hierarchical partition keys, use the previously specified versions of the . Open a terminal in an empty directory. In this post, we cover: Relational or NoSQL; Identify access patterns; Configure Azure Cosmos DB; Using the Client SDK; Part 2 looks at performance tuning and monitoring. It is used by OpenAI to scale it’s ChatGPT service, and by many thousands of customers worldwide, serving billions of end-users with globally distributed apps at planet scale. This article provides: Links to the tasks in each of the example Spring Data Azure Cosmos DB project files. NET Core Web API that talks with Azure Cosmos DB using the Core (SQL) API. NET console application. Sign in to the Azure portal. For more information, see Monitor Azure Cosmos DB with Azure Monitor Cosmos DB insights – Azure Monitor . Links to the related API reference content. - Azure-Samples/cosmos-db-nosql-query-samples Aug 14, 2024 · A community contributor contributed this code sample and the Azure Cosmos DB team doesn't support its maintenance. Containers are grouped in "databases", which are analogous to namespaces above containers. Aug 14, 2024 · Complete this quickstart: Create an Azure Cosmos DB account, database, container, and items from the Azure portal. Without a credit card or an Azure subscription, you can set up a free Try Azure Cosmos DB account. The function retrieves multiple documents specified by a SQL query, using a queue trigger to customize the query parameters. In the next section, we’ll see how we can use Azure Cosmos DB in a Spring Boot application. Refined data is then loaded back to Azure Cosmos DB for reporting. Azure Cosmos DB provides several APIs: NoSQL, for document data; PostgreSQL; MongoDB, for document data; Apache Cassandra; Table; Apache Gremlin, for graph data Aug 14, 2024 · For example, this JSON document is a valid item in Azure Cosmos DB: { "id": "unique-string-2309509" } Within the scope of a container, two items can't share the same unique identifier. See here for the slidedeck. Welcome to the Azure Cosmos DB Design Pattern Samples repository! This collection showcases a variety of design patterns that can be employed to build robust and efficient applications using Azure Cosmos DB's NoSQL capabilities. NET SDK examples on GitHub for common tasks using the Azure Cosmos DB for NoSQL. Jan 14, 2025 · How to do Entra ID authentication and RBAC for Azure Functions and Azure Cosmos DB and Azure OpenAI. Aug 14, 2024 · For more information about indexing, see Azure Cosmos DB indexing policies. Aug 14, 2024 · Example query 3. Select Scale & Settings. For example, actions include creating or updating, reading, querying, and deleting documents. Azure Synapse Link creates a tight seamless integration between Azure Cosmos DB and Azure Synapse This repo contains a sample of how to use Version 4 of the Azure Cosmos DB Java SDK for SQL API. Code The following dictionary, under Program. It supports multiple data models, including document, key-value, graph, and column-family data… This SDK uses the query_items method to submit SQL queries to Azure Cosmos DB. NET 8 or later; Experience writing C# applications. One of the supported APIs is the NoSQL API, which provides a JSON document model with SQL querying and JavaScript procedural logic. Sample document Sample NoSQL queries, their expected results, and seed data. Create a new Azure Cosmos DB account or select an existing account. For more information about queries, see getting started with queries. To learn about the SQL query reference in Azure Cosmos DB before you run the following samples, see SQL query examples for Azure Cosmos DB. Azure Synapse Link for Azure Cosmos DB is a cloud-native hybrid transactional and analytical processing (HTAP) capability that enables analytics at near real-time over operational data in Azure Cosmos DB. Today's customer-centric applications need to run on a scalable, low-latency infrastructure designed to distribute the application's workload across multiple datacenter locations. template. Cosmos NuGet package using the dotnet add package command. You should see status as it parses Azure Cosmos DB documentation. For more information on obtaining the Connection String for your Azure Cosmos account refer to View, copy, and regenerate access keys and passwords. dotnet add package Microsoft. You can run the queries using the Azure Cosmos DB Explorer in the Azure portal. This article provides: Links to the tasks in each of the Python example project files. 1 Database of choice for Retrieval Augmented Generation (RAG) and Large Language Model (LLM) customization. NET or Java SDKs to perform operations and execute queries on that container. These tiers lower the entry barrier for organizations adopting MongoDB within the Azure ecosystem, offering market-leading affordability while maintaining Azure's enterprise-grade reliability and features. azure. Azure Cosmos DB is a globally distributed multi-model database with support for multiple APIs. - mumby0168/cosmos-db-paging Feb 26, 2025 · azd init --template cosmos-db-nosql-java-quickstart During initialization, configure a unique environment name. dvmn qucgk utzipa fejyb zlwn rgxauhc wustg qbq ocm wmywrvu sopyx qxny actikr rhu uslmjo