gcloud alpha database-migration migration-jobs start

NAME: gcloud alpha database-migration migration-jobs start - start a Database Migration Service migration job
SYNOPSIS: gcloud alpha database-migration migration-jobs start (MIGRATION_JOB : --region=REGION) [GCLOUD_WIDE_FLAG …]
DESCRIPTION: (ALPHA) Start a Database Migration Service migration job.
EXAMPLES: To start a migration job:
gcloud alpha database-migration migration-jobs start MIGRATION_JOB --region=us-central1
POSITIONAL ARGUMENTS: Migration job resource - Migration job resource - Cloud Database Migration Service migration job to start. The arguments in this group can be used to specify the attributes of this resource. (NOTE) Some attributes are not given arguments in this group but can be set in other ways.
To set the project attribute:

provide the argument migration_job on the command line with a fully specified name;

provide the argument --project on the command line;

set the property core/project.

This must be specified.

MIGRATION_JOB

ID of the migration_job or fully qualified identifier for the migration_job.
To set the migration_job attribute:

provide the argument migration_job on the command line.

This positional argument must be specified if any of the other arguments in this group are specified.

--region=REGION

The name of the region.
To set the region attribute:

provide the argument migration_job on the command line with a fully specified name;

provide the argument --region on the command line.
GCLOUD WIDE FLAGS: These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.
Run $ gcloud help for details.
API REFERENCE: This command uses the datamigration/v1alpha2 API. The full documentation for this API can be found at: https://cloud.google.com/database-migration/
NOTES: This command is currently in alpha and might change without notice. If this command fails with API permission errors despite specifying the correct project, you might be trying to access an API with an invitation-only early access allowlist. This variant is also available:
gcloud database-migration migration-jobs start