[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-09-05。"],[[["\u003cp\u003eThis guide provides steps to verify that a migration job has successfully transferred data from a source database to a destination Cloud SQL database instance.\u003c/p\u003e\n"],["\u003cp\u003eVerification involves checking for the existence of the migrated database instance and its tables in the Cloud SQL instance.\u003c/p\u003e\n"],["\u003cp\u003eYou can perform checks in Cloud Shell such as listing databases, selecting a source instance database, listing its tables, and viewing data contained in those tables to verify data.\u003c/p\u003e\n"],["\u003cp\u003eThe migration is considered successful if the information checked in the Cloud SQL instance matches what is expected from the source database instance.\u003c/p\u003e\n"]]],[],null,["# Verify a migration\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nMySQL \\| [PostgreSQL](/database-migration/docs/postgres/verify-migration \"View this page for the PostgreSQL version of Database Migration Service.\") \\| [PostgreSQL to AlloyDB](/database-migration/docs/postgresql-to-alloydb/verify-migration \"View this page for the PostgreSQL to AlloyDB version of Database Migration Service.\")\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nVerifying a migration\n---------------------\n\nIn this page, you confirm that the migration job migrated data from your source database instance to the destination Cloud SQL database instance correctly.\n\n\u003cbr /\u003e\n\nAt a minimum, verify that the database instance and its tables exist in the\nCloud SQL instance. You can also verify the tables' row counts or exact\ncontents.\n\n\nThe following steps show a minimal example:\n\n1. Go to the [SQL Instances page](https://console.cloud.google.com/sql) in the Google Cloud console.\n2. Click the read replica entry of your migration job.\n3. Click the **Activate Cloud Shell** icon that appears in the upper-right region of the page.\n4. At the Cloud Shell prompt, press **Enter**.\n5. Optional: If an **Authorize Cloud Shell** dialog box appears, then click **Authorize**.\n6. At the **Enter password** prompt, enter the password that you either provided or that Database Migration Service generated for you in [Define and create the destination Cloud SQL instance](/database-migration/docs/mysql/create-migration-job#dest).\n7. Run SQL commands to verify the migration. For example:\n 1. At the **mysql** prompt, enter `show databases;` to list the databases and verify that you see your source database instance.\n 2. At the **mysql** prompt, enter `use `\u003cvar translate=\"no\"\u003esource_database_instance_name\u003c/var\u003e`;` because you want to see the tables associated with this database instance.\n 3. At the **mysql** prompt, enter `show tables;` to see the tables of this instance.\n 4. At the **mysql** prompt, enter `select * from `\u003cvar translate=\"no\"\u003etable_name\u003c/var\u003e`;` to see the information that's contained in a table of your source database instance.\n 5. Verify that you see the correct information in the table.\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nIf everything you check is as you expect, then Database Migration Service has migrated the data correctly."]]
