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This page describes exporting and importing data into Cloud SQL instances using SQL dump files.
Note: Importing from a SQL file is much slower and is more suited to a subset of data or a few small tables. Importing from a SQL file is prone to failure, due to syntax, file size, or file format. If you're exporting to create a new instance from the exported file, consider restoring from a backup to a different instance or cloning the instance.Exporting from Cloud SQL to a SQL dump file isn't supported for SQL Server.
Before you begin Important: Before starting a large export, ensure that at least 25 percent of the database size is free (on the instance). Doing so helps prevent issues with aggressive autogrowth, which can affect the availability of the instance.Exports use database resources, but they do not interfere with normal database operations unless the instance is under-provisioned.
For best practices, see Best Practices for Importing and Exporting Data.
After completing an import operation, verify the results.
Export data from Cloud SQL for SQL ServerExporting from Cloud SQL to a SQL dump file is not supported for SQL Server.
Import data to Cloud SQL for SQL Server Required roles and permissions for importing to Cloud SQL for SQL ServerTo import data from Cloud Storage into Cloud SQL, the user initiating the import must have one of the following roles:
cloudsql.instances.get
cloudsql.instances.import
Additionally, the service account for the Cloud SQL instance must have one of the following roles:
storage.objectAdmin
IAM rolestorage.objects.get
storage.objects.list
(for striped import only)For help with IAM roles, see Identity and Access Management.
Note: The changes that you make to the IAM permissions and roles might take a few minutes to take effect. For more information, see Access change propagation. Import a SQL dump file to Cloud SQL for SQL ServerSQL files are plain text files with a sequence of SQL commands.
In the following procedure, prepare to specify an existing database to import your SQL files from.
Note: You cannot import a database that was exported from a higher version of SQL Server or import from a higher compatibility level into a lower one. For example, if you exported a SQL Server 2017 version, you cannot import it into a SQL Server 2014 version. ConsoleIn the Google Cloud console, go to the Cloud SQL Instances page.
You can import a compressed (.gz
) or an uncompressed (.sql
) file.
Select the database you want the data to be imported into.
This causes Cloud SQL to run the USE DATABASE
statement before the import.
USE DATABASE
statement, it overrides the database you set in the Google Cloud console.If you want to specify a user to perform the import, select the user.
If your import file contains statements that must be performed by a specific user, use this field to specify that user.
Upload the file to your bucket.
For help with uploading files to buckets, see Uploading objects.
gcloud sql instances describe INSTANCE_NAME
serviceAccountEmailAddress
field.gcloud storage buckets add-iam-policy-binding
to grant the storage.objectAdmin
IAM role to the service account for the bucket.
gcloud storage buckets add-iam-policy-binding gs://BUCKET_NAME \ --member=serviceAccount:SERVICE-ACCOUNT \ --role=roles/storage.objectAdminFor help with setting IAM permissions, see Using IAM permissions.
gcloud sql import sql INSTANCE_NAME gs://BUCKET_NAME/IMPORT_FILE_NAME \ --database=DATABASE_NAME
For information about using the import sql
command, see the sql import sql
command reference page.
If the command returns an error like ERROR_RDBMS
, review the permissions; this error is often due to permissions issues.
gcloud storage buckets remove-iam-policy-binding
.Upload the file to your bucket.
For help with uploading files to buckets, see Uploading objects.
legacyBucketWriter
and objectViewer
IAM roles for your bucket. For help with setting IAM permissions, see Using IAM permissions.Before using any of the request data, make the following replacements:
HTTP method and URL:
POST https://sqladmin.googleapis.com/v1/projects/project-id/instances/instance-id/import
Request JSON body:
{ "importContext": { "fileType": "SQL", "uri": "gs://bucket_name/path_to_sql_file", "database": "database_name" } }
To send your request, expand one of these options:
curl (Linux, macOS, or Cloud Shell) Note: The following command assumes that you have logged in to thegcloud
CLI with your user account by running gcloud init
or gcloud auth login
, or by using Cloud Shell, which automatically logs you into the gcloud
CLI . You can check the currently active account by running gcloud auth list
.
Save the request body in a file named request.json
, and execute the following command:
curl -X POST \PowerShell (Windows) Note: The following command assumes that you have logged in to the
-H "Authorization: Bearer $(gcloud auth print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d @request.json \
"https://sqladmin.googleapis.com/v1/projects/project-id/instances/instance-id/import"
gcloud
CLI with your user account by running gcloud init
or gcloud auth login
. You can check the currently active account by running gcloud auth list
.
Save the request body in a file named request.json
, and execute the following command:
$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred" }Invoke-WebRequest `
-Method POST `
-Headers $headers `
-ContentType: "application/json; charset=utf-8" `
-InFile request.json `
-Uri "https://sqladmin.googleapis.com/v1/projects/project-id/instances/instance-id/import" | Select-Object -Expand Content
You should receive a JSON response similar to the following:
Response{ "kind": "sql#operation", "targetLink": "https://sqladmin.googleapis.com/v1/projects/project-id/instances/target-instance-id", "status": "PENDING", "user": "user@example.com", "insertTime": "2020-01-21T22:43:37.981Z", "operationType": "UPDATE", "name": "operation-id", "targetId": "instance-id", "selfLink": "https://sqladmin.googleapis.com/v1/projects/project-id/operations/operation-id", "targetProject": "project-id" }For the complete list of parameters for the request, see the instances:import page.
Upload the file to your bucket.
For help with uploading files to buckets, see Uploading objects.
storage.objectAdmin
IAM role for your bucket. For help with setting IAM permissions, see Using IAM permissions.Before using any of the request data, make the following replacements:
HTTP method and URL:
POST https://sqladmin.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id/import
Request JSON body:
{ "importContext": { "fileType": "SQL", "uri": "gs://bucket_name/path_to_sql_file", "database": "database_name" } }
To send your request, expand one of these options:
curl (Linux, macOS, or Cloud Shell) Note: The following command assumes that you have logged in to thegcloud
CLI with your user account by running gcloud init
or gcloud auth login
, or by using Cloud Shell, which automatically logs you into the gcloud
CLI . You can check the currently active account by running gcloud auth list
.
Save the request body in a file named request.json
, and execute the following command:
curl -X POST \PowerShell (Windows) Note: The following command assumes that you have logged in to the
-H "Authorization: Bearer $(gcloud auth print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d @request.json \
"https://sqladmin.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id/import"
gcloud
CLI with your user account by running gcloud init
or gcloud auth login
. You can check the currently active account by running gcloud auth list
.
Save the request body in a file named request.json
, and execute the following command:
$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred" }Invoke-WebRequest `
-Method POST `
-Headers $headers `
-ContentType: "application/json; charset=utf-8" `
-InFile request.json `
-Uri "https://sqladmin.googleapis.com/sql/v1beta4/projects/project-id/instances/instance-id/import" | Select-Object -Expand Content
You should receive a JSON response similar to the following:
Response{ "kind": "sql#operation", "targetLink": "https://sqladmin.googleapis.com/sql/v1beta4/projects/project-id/instances/target-instance-id", "status": "PENDING", "user": "user@example.com", "insertTime": "2020-01-21T22:43:37.981Z", "operationType": "UPDATE", "name": "operation-id", "targetId": "instance-id", "selfLink": "https://sqladmin.googleapis.com/sql/v1beta4/projects/project-id/operations/operation-id", "targetProject": "project-id" }For the complete list of parameters for the request, see the instances:import page.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
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