Summary: Schema-only branches in Neon copy only the database structure from a source branch, leaving all row data behind, so teams can develop and test against production schemas without exposing confidential records. Use this feature when you need a compliant development or CI/CD environment with realistic table structure but no sensitive data, distinct from standard Neon branches that copy both schema and data via copy-on-write. Schema-only branches are independent root branches with plan-specific storage limits; reset-from-parent is not supported.

Protect sensitive data with schema-only branches

Note: Beta

This feature is in Beta. Please give us Feedback from the Neon Console or by connecting with us on Discord.

Neon supports creating schema-only branches, letting you create branches that replicate only the database schema from a source branch, without copying any of the actual data. This feature is ideal for working with confidential information. Instead of duplicating this sensitive data, you can now create a branch with just the database structure and populate it with randomized or anonymized data instead. This provides your team with a secure and compliant environment for developing and testing using Neon branches.

You can create schema-only branches in the Neon Console or using the Neon API, in much the same way you create any Neon branch. Support for the Neon CLI will come in a future release.

Neon Console

To create a schema-only branch from the Neon Console:

1. Select your project.
2. Select Branches in the sidebar.
3. Click New branch to open the branch creation dialog.
4. Select a Parent branch. The schema from this branch will be copied to your new schema-only branch. By default, your project's default branch is selected, but you can choose any existing branch in your project.
5. Specify a branch name, or leave it blank to use the default generated name.
6. Select the Schema only option.
7. Configure auto-deletion: By default, Automatically delete branch after is checked with 1 day selected to help prevent unused branches from accumulating. You can choose 1 hour, 1 day, or 7 days, or uncheck to disable expiration entirely. This is useful for CI/CD pipelines and short-lived development environments. Note: This default only applies when creating branches through the Console; API and CLI branches have no expiration by default. Refer to our Branch expiration guide for details.
8. Click Create to create your schema-only branch.

CLI

To create a schema-only branch using the Neon CLI:

neon branch create --schema-only

If you have more than one project, you'll need to specify the --project-id option. See Neon CLI - branch create.

API

Note: The API is in Beta and subject to change.

To create a schema-only branch using the Neon API, use the Create branch endpoint with the init_source option set to schema-only, as shown below. Required values include:

• Your Neon project_id
• The parent_id, which is the branch ID of the branch containing the schema you want to copy

curl --request POST \
     --url https://console.neon.tech/api/v2/projects/wispy-salad-58347608/branches \
     --header 'accept: application/json' \
     --header 'authorization: Bearer $NEON_API_KEY' \
     --header 'content-type: application/json' \
     --data '
{
  "branch": {
    "parent_id": "br-super-mode-w371g4od",
    "name": "my_schema_only_branch",
    "init_source": "schema-only"
  }
}
'

To try out schema-only branches:

1. Start by creating an employees table on your Neon project's production branch and adding some dummy data. You can do this from the Neon SQL Editor or any SQL client by copying and pasting the following statements:

   CREATE TABLE employees (
       employee_id SERIAL PRIMARY KEY,
       first_name VARCHAR(50),
       last_name VARCHAR(50),
       email VARCHAR(100),
       phone_number VARCHAR(15),
       job_title VARCHAR(50),
       salary NUMERIC(10, 2),
       hire_date DATE
   );
   
   INSERT INTO employees (first_name, last_name, email, phone_number, job_title, salary, hire_date) VALUES
   ('John', 'Doe', 'john.doe@example.com', '123-456-7890', 'Software Engineer', 95000.00, '2020-01-15'),
   ('Jane', 'Smith', 'jane.smith@example.com', '987-654-3210', 'Product Manager', 110000.00, '2019-03-22'),
   ('Alice', 'Johnson', 'alice.johnson@example.com', '555-123-4567', 'HR Specialist', 65000.00, '2021-06-10'),
   ('Bob', 'Brown', 'bob.brown@example.com', '555-987-6543', 'Data Analyst', 78000.00, '2018-09-05'),
   ('Charlie', 'Davis', 'charlie.davis@example.com', '444-555-6666', 'Marketing Manager', 95000.00, '2017-11-14'),
   ('Diana', 'Miller', 'diana.miller@example.com', '333-444-5555', 'Sales Representative', 72000.00, '2022-04-18'),
   ('Edward', 'Wilson', 'edward.wilson@example.com', '222-333-4444', 'DevOps Engineer', 98000.00, '2020-12-03'),
   ('Fiona', 'Clark', 'fiona.clark@example.com', '111-222-3333', 'UI/UX Designer', 85000.00, '2016-08-29'),
   ('George', 'Harris', 'george.harris@example.com', '999-888-7777', 'Financial Analyst', 90000.00, '2021-01-11'),
   ('Hannah', 'Martin', 'hannah.martin@example.com', '888-777-6666', 'Backend Developer', 92000.00, '2019-07-23');

2. Navigate to the Tables page in the Neon Console, and select your production branch from the bread-crumb menu at the top of the console. Your employees table will have both schema and data, as shown here:

   

3. Create a schema-only branch following the instructions above. See Creating schema-only branches. In this example, we've named the branch employees_schema_only.

   

4. On the Tables page, select your newly created employees_schema_only branch from the bread-crumb menu at the top of the console. You can see that the schema-only branch contains the schema, but no data. The same will be true for any table in any database on the schema-only branch; only the schema will be present.

   

Connecting to a schema-only branch works the same way as connecting to any Neon branch. You'll connect via a compute associated with the branch. Follow these steps to connect using psql and a connection string obtained from the Neon Console.

1. In the Neon Console, select a project.

2. From the project Dashboard, click Connect, and select your schema-only branch, the database, and the role you want to connect with.

3. Copy the connection string. A connection string includes your role name, the compute hostname, and the database name.

   postgresql://[user]:[password]@[neon_hostname]/[dbname]

Unlike other branches, schema-only branches do not have a parent branch, as you can see below. Both the production branch of the project and the schema-only branch have no parent, indicated by the dash in the Parent column (-) on the Branches page in your Neon project.

Schema-only branches are independent root branches, just like the production branch in your Neon project. When you create a schema-only branch, you're creating a new root branch.

• No parent branch: Schema-only branches are root branches. They do not have a parent branch.
• No shared history: Data added to a schema-only branch is independent and adds to your storage. There is no shared history with a parent.
• Reset from parent is not supported: With no parent branch, reset from parent operations are not supported.
• Restore is supported, but... performing a restore operation on a schema-only branch copies both schema and data from the source branch.
• Branch protection is supported: Like any other branch, you can enable branch protection for schema-only branches.

There are certain allowances associated with schema-only branches:

• A schema-only branch is a root branch, and only a certain number of root branches are permitted per Neon project, depending on your Neon plan.
• The main root branch created with each Neon project counts toward the root branch allowance per project, as do certain backup branches created by restore operations.
• On the Free plan, all branches in a project share a total storage limit of 0.5 GB. Schema-only branches count toward this limit like any other branch. On paid plans, ordinary branch storage is unlimited, but each schema-only branch has its own maximum storage allowance, as outlined in the following table. These allowances apply only to schema-only branches; they are not a general storage cap.

Once you use up your root branch allowance, you will not be able to create additional schema-only branches. You will be required to remove existing root branches first.

• Branch archiving
• Branch expiration
• Reset from parent

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