How to create a new sql server database in visual studio: Step-by-step guide to SSDT, database projects, and deployment 2026

How to create a new sql server database in visual studio. A fast, reliable way to spin up a new database for your app projects right from Visual Studio. Quick fact: you can create, manage, and connect to SQL Server databases directly in the IDE without switching tools. Here’s a practical, step-by-step guide with real-world tips to make the process smooth and repeatable.

• Quick start steps you can follow in under 10 minutes
• Optional steps for production-ready databases security, backups, and schema management
• Common gotchas and how to avoid them
• Useful resources at the end for deeper learning

Useful resources text only:
https://learn.microsoft.com
Apple Website – apple.com
Artificial Intelligence Wikipedia – en.wikipedia.org/wiki/Artificial_intelligence
SQL Server docs – docs.microsoft.com/en-us/sql/sql-server
Visual Studio docs – docs.microsoft.com/visualstudio
PostgreSQL vs SQL Server comparison – en.wikipedia.org/wiki/Comparison_of_Software_and_Operating_Systems

What you’ll learn

• How to create a new SQL Server database from Visual Studio
• How to connect your app to the database using connection strings
• How to define tables, relationships, and basic constraints
• How to manage schema changes with simple migrations
• Best practices for security, backups, and performance

1. Prerequisites and setup

• Visual Studio edition: Any recent version Community, Professional, or Enterprise with the Data Tools workload installed.
• SQL Server instance: LocalDB for quick experiments, or a full SQL Server instance if you’re working on a larger project.
• Optional: SQL Server Management Studio SSMS for advanced management, but not required for the basics.

What to do:

• Install Visual Studio with the Data Tools workload.
• Decide on a SQL Server instance to use LocalDB is easiest for beginners; for collaborative projects, a shared SQL Server is better.
• Confirm you can connect to the chosen server using a simple test connection.

2. Create a new database from Visual Studio

• Open Visual Studio and your project or create a new one if you’re just testing.
• Open Server Explorer View > Server Explorer. This is your gateway to databases and servers within the IDE.
• Right-click Data Connections, choose Add Connection.
• In the Add connection dialog, select Microsoft SQL Server SqlClient as the data source.
• If you’re using LocalDB for quick starts, the server name is localdb\mssqllocaldb. For a full SQL Server instance, use SERVERNAME\INSTANCE.
• Choose or create a database:
  • To create a new database, click “New” or type a database name in the Database dropdown if the option is available.
  • If you don’t see a New button, you can create the database in SSMS or run a quick CREATE DATABASE statement later.
• Click OK to create the connection and the database. Visual Studio will attach to the new database, and it will appear under Data Connections.

3. Create tables and define schema

• In Server Explorer, expand the database you created.
• Right-click Tables > Add New Table. Visual Studio opens a table designer.
• Define columns with appropriate data types and constraints:
  • Primary keys
  • Not null constraints
  • Identity columns for auto-increment
  • Foreign keys for relationships
• Save the table. Visual Studio will generate a basic CREATE TABLE script behind the scenes.
• You can also use the designer to set relationships by dragging between columns or by using Foreign Key constraints in the table designer.

4. Seed data and basic data operations

• You can insert seed data directly in the designer or run SQL scripts:
  • Right-click the table, choose Show Table Data to insert rows manually.
  • Use a SQL query window to run INSERT INTO statements for bulk seeding.
• Basic read/update/delete:
  • Use the Server Explorer data context or write simple ADO.NET code to connect and execute commands.
  • For a quick test, you can create a small console app to insert and fetch data.

5. Connecting your application to the new database

• Get the connection string:
  • In Visual Studio, right-click the project, choose Properties, then Settings or App.config with connectionStrings.
  • Copy the connection string for your new database. It typically looks like:
    • Server=localdb\mssqllocaldb;Database=YourDatabaseName;Integrated Security=true;
• Use the connection string in your data access code:
  • ADO.NET: SqlConnection, SqlCommand
  • Entity Framework: DbContext with OnConfiguring or appsettings.json for EF Core
• Example ADO.NET, simplified:
  • using var conn = new SqlConnectionconnectionString { conn.Open; /* commands */ }

6. Basic migrations and schema changes

• If you’re using EF Core, you get migrations automatically:
  • Add-Migration InitialCreate
  • Update-Database
• If you’re not using EF, you can still manage schema changes with SQL scripts:
  • Create a folder in your project for migrations
  • Add a script file per change e.g., 202406_AddOrdersTable.sql
  • Run scripts against the database during deploy or via a simple automation step
• Pro tip: keep migrations versioned and documented so teammates know what changed and when

7. Security basics

• Use Windows Authentication when possible Integrated Security=true to avoid hard-coding credentials.
• If you need to use SQL authentication, store credentials securely not in code. Consider user secrets or a secure vault in production.
• Restrict database user permissions to only what’s necessary for the app principle of least privilege.
• Enable encryption at rest if your environment requires it and use trusted certificates for connections TLS.

8. Backups and maintenance

• Local development databases: you can back up the .mdf or use SQL Server backup commands via a script.
• Production databases: schedule regular backups and test restore procedures.
• Regular maintenance tasks:
  • Index maintenance and statistics updates
  • Cleanup of old data if applicable
  • Monitoring query performance with execution plans

9. Performance and best practices

• Use appropriate data types e.g., int vs bigint, varchar sizes to avoid wasted space.
• Normalize to reduce data duplication, but consider denormalization for read-heavy workloads if justified.
• Use parameterized queries to prevent SQL injection and improve plan reuse.
• Keep connections short and use connection pooling the ADO.NET provider handles this well by default.
• If you’re using EF Core, prefer async calls to keep the UI responsive.

10. Troubleshooting common issues

• Connection failures:
  • Check server name, instance, and authentication mode.
  • Ensure the SQL Server service is running and that firewall rules allow the connection.
• Database not found:
  • Confirm the database name matches exactly and that the connection string points to the correct server.
• Permissions denied:
  • Verify user permissions for the actions you’re performing SELECT, INSERT, UPDATE, DELETE, schema changes.

11. Quick-start checklist

• Visual Studio with Data Tools installed
• A SQL Server instance LocalDB or full server
• A connection from Visual Studio to the server
• Created a new database and at least one table
• Connected your app with a proper connection string
• Implemented at least one data operation CRUD
• Set up basic migrations or SQL scripts for schema changes
• Implemented basic security and backup considerations

Data and statistics you can reference

• SQL Server market penetration in enterprise environments is substantial, with many teams relying on SQL Server for core data storage. In studies of developer tool usage, SQL Server remains a popular choice for .NET ecosystems.
• EF Core adoption has grown, with migrations becoming a common pattern to manage schema changes alongside code changes.
• Local development patterns favor LocalDB for quick experiments because it’s lightweight and easy to set up with Visual Studio.
• Security best practices emphasize least privilege and secure connection strings, especially when moving from development to staging and production.

Table: Quick comparison of connection methods

Method	Pros	Cons	Best Use Case
LocalDB in Visual Studio	Easy to set up, lightweight, no admin rights needed	Not suitable for production, limited scalability	Quick starts and learning, single-developer projects
SQL Server full instance	Scalable, proper security features, supports advanced features	More setup, admin access needed	Team development, staging, production-like environments
EF Core Migrations	Keeps schema in sync with code, easy rollback	Requires learning migrations workflow	Apps using EF Core for data access

Table: Sample table design ideas

Table	Columns	Key Points
Users	UserId PK, int, UserName nvarchar100, Email nvarchar255 UNIQUE, CreatedAt datetime	Normalize to avoid duplicates, enforce unique emails
Products	ProductId PK, int, Name nvarchar150, Price decimal18,2, InStock bit	Clear constraints, default values
Orders	OrderId PK, int, UserId FK, OrderDate datetime, Total decimal18,2	Use FK to Users, set cascade on delete if appropriate

Code snippets and examples

• Creating a simple table via SQL:
  • CREATE TABLE Users
    UserId INT IDENTITY1,1 PRIMARY KEY,
    UserName NVARCHAR100 NOT NULL,
    Email NVARCHAR255 NOT NULL UNIQUE,
    CreatedAt DATETIME NOT NULL DEFAULT GETDATE
    ;
• Basic ADO.NET insert:
  • using var conn = new SqlConnectionconnectionString
    {
    conn.Open;
    var cmd = new SqlCommand”INSERT INTO Users UserName, Email VALUES @name, @email”, conn;
    cmd.Parameters.AddWithValue”@name”, “Jane Doe”;
    cmd.Parameters.AddWithValue”@email”, “[email protected]“;
    cmd.ExecuteNonQuery;
    }

Step-by-step quick-start flow

1. Install and prepare Visual Studio with Data Tools.
2. Create a new database from Server Explorer.
3. Add a new table and define a simple schema.
4. Connect your app and test basic CRUD operations.
5. Add a migration or script for future changes.
6. Review security and backup basics.

Advanced tips optional

• Use EF Core with Code-First approach for rapid domain modeling and automatic migrations.
• For multi-environment setups, maintain separate connection strings for Development, Staging, and Production.
• Consider using a CI/CD pipeline to apply migrations automatically in staging and production environments after verification.
• Enable logging for database operations in your app to help diagnose slow queries.

Frequently Asked Questions

How do I install LocalDB for Visual Studio?

LocalDB is included with Visual Studio installations via the SQL Server Data Tools workload. If you don’t have it, you can install a lightweight LocalDB instance separately or enable it through the Visual Studio installer.

Can I create a database without using LocalDB?

Yes. You can connect to a full SQL Server instance or Azure SQL Database from Visual Studio. Use the server name and credentials for that instance when creating the connection.

What is the fastest way to create a table in Visual Studio?

Use the Server Explorer to add a new table and define columns in the designer. You can also write a quick CREATE TABLE script and execute it in an accompanying query window.

How do I connect my ASP.NET app to the database?

Copy the connection string into your app’s configuration appsettings.json for ASP.NET Core or web.config for older ASP.NET. Then use your data access method EF Core, ADO.NET, Dapper, etc. to connect.

What is EF Core migrations and why use them?

EF Core migrations track changes to your model classes and apply them to the database schema, keeping code and database in sync. It’s great for teams and continuous development.

How do I seed data in Visual Studio?

You can seed data by inserting rows directly in the table in Server Explorer or by running INSERT statements in a SQL script. EF Core also supports data seeding via model configuration.

What are best practices for securing connection strings?

Avoid hard-coding credentials. Use appsettings.json with user secrets in development and a secure vault or environment variables in production. Prefer Integrated Security when possible.

How do I backup a SQL Server database from Visual Studio?

Backups are typically done with SQL Server Management Studio or via T-SQL backup commands. You can also automate backup scripts as part of your deployment process.

How do I handle database migrations without losing data?

Plan migrations carefully, test in a staging environment, and use transactions in your migration scripts. For EF Core, use the migration system to apply changes safely.

Yes, you can create a new SQL Server database in Visual Studio by using SQL Server Data Tools SSDT to connect to a SQL Server instance and create a database project or deploy directly. In this guide, you’ll get a practical, results-focused walkthrough—from prerequisites to deployment—plus tips for version control, migrations, and Azure integration. Ready? Let’s break it down into easy steps, with real-world tips and quick-reference bits you can reuse in your own projects.

Useful resources un clickable text

• Microsoft Docs — SQL Server Data Tools SSDT overview
• Microsoft Docs — LocalDB setup and usage
• Visual Studio documentation — SQL Server Database Projects
• SQL Server Documentation — CREATE DATABASE syntax
• Azure SQL Database documentation — migrating and deploying

Introduction overview quick guide you can skim

• Prerequisites: a supported Visual Studio 2022 or newer, SSDT tooling, and a SQL Server instance local or remote.
• Key paths: create a Database Project SSDT to manage schema as code, or publish directly from a script.
• Core steps: install SSDT → create a database project or a new script → connect to your SQL Server → define schema → publish/deploy → verify.
• Common deployment options: localdb for quick development, SQL Server Express for lightweight testing, or a full SQL Server instance for staging/production.
• Pro tips: use version control with database projects, automate deployments with CI/CD, and test migrations in a separate environment before production.

Body

Prerequisites and setup essentials

Before you start building a new database inside Visual Studio, clear the runway with these basics:

• Visual Studio version: Use Visual Studio 2022 or later for the best SSDT experience. If you’re on an older version, upgrade to ensure SSDT tooling is supported.
• SSDT tooling: Install SQL Server Data Tools as part of your VS workload. SSDT enables database projects, schema as code, and integrated publish workflows.
• SQL Server instance: You’ll need a target SQL Server instance to host the database. This can be:
  • LocalDB great for quick, local development; lightweight and easy to start
  • SQL Server Express free, more capable than LocalDB but still lightweight
  • A full SQL Server instance on-premises or in a VM
  • Azure SQL Database for cloud deployments and CI/CD scenarios
• Network and permissions: Ensure your user account has sufficient permissions to create databases on the target server, plus rights to create schemas, tables, and objects you’ll deploy.
• Optional but recommended: Git or another VCS integration to version-control the database project files.

Why SSDT and database projects matter

• SSDT lets you treat database schema as code, just like application code.
• You can store schemas, tables, views, stored procedures, and other objects in a database project, then publish to any target SQL Server or Azure SQL Database.
• It supports deployment verification, schema comparisons, and automated script generation, which reduces drift between environments.

Step-by-step: create a new SQL Server database in Visual Studio

Here’s a practical workflow that works well for most teams.

1. Install and prepare

• Open Visual Studio.
• Go to Extensions > Manage Extensions or the Worksop area and search for “SQL Server Data Tools” if it isn’t already installed.
• Restart Visual Studio after installation.

2. Create a new database project SSDT

• File > New > Project.
• Under Installed > Database, choose “SQL Server Database Project” this is the SSDT project type.
• Name your project e.g., MyNewDatabase and choose a location in your solution.
• Pick a target platform SQL Server version that matches your on-prem or Azure SQL target.
• Click Create.

3. Define your database objects

• In the Solution Explorer, you’ll see a folder structure for the database project: dbo schemas, tables, views, stored procedures, functions, etc.
• Right-click the Tables node and choose Add > Table to create a new table, then define columns, data types, defaults, and constraints.
• Add other objects views, stored procedures, functions as needed. A good practice is to start with a basic schema Users, Roles, Products, Orders, etc. to validate the process.

4. Configure the target connection for publishing

• Right-click the project in Solution Explorer and select Publish.
• In the Publish Database dialog, click Edit to set the target connection string server name, database name, authentication.
• Decide your Publish Type: Create Database if it doesn’t exist or Script and Publish if you want a deployment script first.
• Save the profile if you plan to reuse it.

5. Publish or generate a deployment script

• To deploy directly, click Publish. The tool will compare the project against the target database, generate a delta script, and apply it.
• To review changes first, click “Generate Script” to create a .sql file you can inspect or run manually.

6. Verify the deployment

• Connect to the target SQL Server using SQL Server Object Explorer SSOX or another SQL client.
• Check that the new database exists and that all objects tables, views, procedures appear as expected.
• Run basic sanity checks: select top 100 rows from a table to confirm data types and constraints behave as designed.

7. Version control and CI/CD integration

• Add your database project folder to Git or your preferred VCS.
• Commit the initial schema and any subsequent changes.
• In CI/CD pipelines GitHub Actions, Azure DevOps, GitLab CI, IaaS or PaaS pipelines can build and publish database project changes to staging or production environments automatically.

Code example: a simple table creation in a database project

• Create a table in the Tables node with the following schema:
  • Table name: Products
  • Columns: ProductId int, not null, primary key, Name nvarchar100, not null, Price decimal10,2, not null, CreatedDate datetime2, default getdate
    Code block T-SQL generated by a database project will look similar to this when published:

CREATE TABLE dbo.Products 
  ProductId int NOT NULL PRIMARY KEY,
  Name nvarchar100 NOT NULL,
  Price decimal10,2 NOT NULL,
  CreatedDate datetime2 NOT NULL CONSTRAINT DF_Products_CreatedDate DEFAULT GETDATE
;

Table: SSDT vs direct scripts How to create a lookup table in sql server 2012 a step by step guide 2026

Approach	Pros	Cons
SSDT Database Project	Schema-as-code, version control, integrated publish, easy migrations, IDE-based topology	Slight learning curve, extra project setup
Direct SQL Script Deployment	Fast for small changes, familiar for quick tweaks	Drift risk, harder to track across environments, no built-in validation

Connecting to SQL Server within Visual Studio

There are two common ways to connect and work with a live SQL Server instance from VS:

• SQL Server Object Explorer SSOX: This is your hub for exploring databases, tables, views, and stored procedures. You can create a new database here, run ad hoc queries, and compare schemas.
• Database projects publish: You can publish your SSDT project directly to a target server, which creates or updates the database with the delta between your project and the target.

Tips for smooth connections

• LocalDB vs full SQL Server:
  • LocalDB is quick for development, self-contained, and doesn’t require an administrator to install. It’s perfect for local experiments and early design.
  • A full SQL Server instance gives you more realistic performance, security, and scalability testing.
• Authentication: Use Windows Authentication for local development when possible; switch to SQL Authentication or managed identities when deploying to Azure or CI/CD environments.

Working with T-SQL directly vs database projects

Two common approaches exist when you’re getting started:

• Use SSDT database projects to model the schema and deploy with Publish. This is the standard approach for teams who want to keep schema under source control and automate deployment.
• Keep script-based deployment CREATE DATABASE and object scripts and run those scripts as part of your deployment pipeline. This can be simpler for small projects or quick experiments but can lead to drift if not managed carefully.

If you’re starting fresh, SSDT database projects are usually the most future-proof option because they scale well, support migrations, and integrate with CI/CD.

Pro-tips for deployment, migrations, and management

• Migration strategy: Prefer incremental migrations via SSDT or migration scripts in your CI/CD to avoid large, error-prone changes. Test migrations in a sandbox environment before prod.
• Deployment validation: Use a deployment checklist in your CI pipeline that includes schema validation, data type checks, and permission checks.
• Use DACPACs for packaging: SSDT can generate DACPACs data-tier applications for portable deployment. This is handy when you want to move a schema across environments without applying full scripts.
• Security first: After deployment, review logins, users, and roles. Don’t leave default passwords in code; use secure secrets management and service principals where possible.
• Azure-ready deployment: If you plan to run on Azure SQL Database, ensure your target model aligns with Azure SQL capabilities e.g., data types, features like cross-database queries are not always available.
• Performance basics: Index wisely, monitor query plans, and enable basic query performance tests in your staging environment to catch hot spots early.

Data and statistics context for adoption and trends

• SSDT and database projects have become a standard part of modern .NET development workflows, with strong adoption in teams that prioritize a “schema-as-code” approach for database changes.
• Visual Studio and SSDT continue to integrate tightly with Git-based workflows, CI/CD pipelines, and Azure services, making it easier to ship database changes alongside application code.
• The combined tooling around SQL Server, Azure SQL Database, and local development options like LocalDB gives developers a flexible path from local experiments to cloud-ready deployments.

Advanced topics and best practices

• Database project structure: Keep a clean folder structure for schemas, tables, views, stored procedures, and custom data types. Use schema folders to group related objects e.g., Sales, Inventory.
• Naming conventions: Establish and document naming conventions for objects e.g., talis for stored procedures, UQ_ for unique keys so teams aren’t fighting drift later.
• Versioning and branching: Use branches for major schema changes, and merge into main only after automated tests pass. Tag releases with database version numbers to track migrations.
• Test-driven database development: Consider unit testing for stored procedures and functions tools like tSQLt can help to validate logic before deployment.
• Backups and restore rehearsals: Always have a backup strategy and run restore drills on a staging environment to confirm you can recover quickly from failures.
• Monitoring and telemetry: Enable basic monitoring on your SQL Server instances, including query performance, wait stats, and login auditing to catch issues early.

Common issues and troubleshooting tips

• Connection errors: Double-check server name, instance name for example, SERVERNAME\INSTANCE, and authentication mode. Ensure the SQL Server Browser service is running if you’re using named instances.
• Permissions: Make sure the account used for publishing has CREATE DATABASE permissions and schema modification rights on the target server.
• LocalDB quirks: If LocalDB instances aren’t visible, run the LocalDB command line to list and start instances, and ensure you’re using the right version of LocalDB with your VS project.
• Publish failures: If the publish script fails, review the delta script for conflicts, missing permissions, or objects that block the deployment like a table locked by a process.
• Schema drift: Regularly compare target databases against your SSDT project to detect drift early. Use schema comparison tools that come with VS or third-party options to keep things in sync.

Azure integration and cloud deployment

• Deploying to Azure SQL Database is common for modern apps. When targeting Azure, validate features supported by Azure SQL for example, some server-level constraints differ from on-prem SQL Server.
• Use Azure DevOps or GitHub Actions to automate database deployments to staging and production. Parameterize connection strings and secrets to keep pipelines secure.
• Consider Azure SQL Managed Instance if you need near 100% parity with on-prem SQL Server capabilities while benefiting from cloud scalability.

Quick reference: your deployment checklist

• Install VS + SSDT, open a new Database Project.
• Define your initial schema tables, keys, relationships.
• Create a publish profile pointing at your target SQL Server instance.
• Generate a deployment script or publish directly after review, if needed.
• Verify objects in the target database and run basic data checks.
• Commit the database project to source control and set up CI/CD for future changes.
• Plan migrations and verify in a staging environment before prod.

Frequently Asked Questions

Do I need SSDT to create a SQL Server database in Visual Studio?

No, you don’t absolutely have to. You can also script the database using T-SQL and run those scripts through Visual Studio or SQL Server Management Studio. However, SSDT makes ongoing schema management easier by treating the database as a project, enabling version control, automated deployments, and better collaboration. How to create a minecraft private server without hamachi step by step guide 2026

Can I use LocalDB for development inside Visual Studio?

Yes. LocalDB is perfect for rapid, local development and testing. It starts quickly, runs in-process, and doesn’t require full SQL Server installation. It’s a great way to prototype schemas before moving to a more robust server.

How do I create a new database in Visual Studio 2022?

Install SSDT if needed, create a new SQL Server Database Project, define tables and other objects, then publish to your target SQL Server instance local or remote. Visual Studio’s Publish tool will guide you through configuring the target connection and generating deployment scripts.

What’s the difference between an SSDT database project and a regular SQL script?

An SSDT database project stores the entire schema as code inside a project, with built-in tooling for publishing, schema comparisons, and version control. Regular SQL scripts are standalone and require manual tracking of changes across environments.

How do I deploy a database from Visual Studio to SQL Server?

Define your schema in an SSDT database project, create a publish profile with the target server, and use the Publish button to deploy. You can also generate a deployment script first to review changes before applying them.

How do I connect Visual Studio to SQL Server?

Use SQL Server Object Explorer to connect to a server, or configure the Publish profile in your SSDT project to target a specific SQL Server instance. You can connect to LocalDB, SQL Server Express, or a full SQL Server, depending on your setup. How to create a new domain in windows server 2026: AD DS Setup, Forest Design, and Domain Promotion

Can I version-control my database schema with Visual Studio?

Yes. By using SSDT database projects, you can store your schema as code in a Git repository, enabling diffs, branching, and automated builds.

How do I generate SQL scripts from a Visual Studio database project?

Run Publish with a target or choose Generate Script in the Publish dialog. This creates a .sql file representing the delta between your project and the target database.

How do migrations work with Visual Studio SSDT?

SSDT supports schema changes via changes in the database project, which you publish as incremental changes. For more complex migrations, you can generate and apply specific migration scripts in CI/CD or manually review them in a staging environment.

Should I deploy to Azure SQL Database or a local SQL Server for development?

Start with a local SQL Server or LocalDB for quick iterations. If your production or staging environment is in Azure, align your development and staging databases to Azure SQL Database to catch cloud-specific issues early.

How can I improve performance when deploying databases from Visual Studio?

Focus on indexing strategy, avoid over-indexing, review execution plans for key queries, and validate performance in a staging environment. Use profiling and query-analysis tools to detect hotspots before production. How to create a backup database in sql server step by step guide: Full, Differential, and Log Backups 2026

Are there any security best practices when deploying databases from VS?

Always avoid embedding credentials in code or scripts. Use secure credential management in your CI/CD pipelines, separate service accounts for deployment, and enforce least-privilege policies for database users and roles.

What if I need to deploy both schema and data changes?

You can deploy schema changes via SSDT, and for data changes, consider a separate data migration plan or seed scripts that run as part of the publish process or in a controlled post-deploy step.

Can I reuse this approach for Azure SQL Database?

Absolutely. SSDT and database projects work with Azure SQL Database, and you can tailor your publish steps for cloud deployment, including using separate connection profiles for production and staging.

Is there a recommended workflow for teams new to SSDT?

Start with a small, representative schema in a single database project, configure a local publish target, and iterate. Add version control and CI/CD once you’re comfortable with the basic flow. Gradually expand to multiple projects and environments.

Sources:

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