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DMS Free Tier includes 750 Hours of Amazon DMS Single-AZ dms.t2.micro instance usage and 50 GB of included General Purpose (SSD) storage in Ningxia Regin; 750 Hours of Amazon DMS Single-AZ dms.t3.micro instance usage and 50 GB of included General Purpose (SSD) storage in Beijing region.

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mg电子游戏试玩网页版 helps you migrate databases to 不朽情缘试玩网址 quickly and securely. The source database remains fully operational during the migration, minimizing downtime to applications that rely on the database. The mg电子游戏试玩网页版 can migrate your data to and from most widely used commercial and open-source databases.

The service supports homogenous migrations such as Oracle to Oracle, as well as heterogeneous migrations between different database platforms, such as Oracle to Amazon Aurora or Microsoft SQL Server to MySQL. It also allows you to stream data to Amazon Redshift, Amazon DynamoDB, and Amazon S3 from any of the supported sources, which are Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, SAP ASE, SQL Server, IBM DB2 LUW, and MongoDB, enabling consolidation and easy analysis of data in a petabyte-scale data warehouse. mg电子游戏试玩网页版 can also be used for continuous data replication with high-availability.

The 不朽情缘试玩网址  Schema Conversion Tool makes heterogeneous database migrations predictable by automatically converting the source database schema and a majority of the database code objects, including views, stored procedures, and functions, to a format compatible with the target database. Any objects that cannot be automatically converted are clearly marked so that they can be manually converted to complete the migration. SCT can also scan your application source code for embedded SQL statements and convert them as part of a database schema conversion project. During this process, SCT performs cloud native code optimization by converting legacy Oracle and SQL Server functions to their equivalent 不朽情缘试玩网址 service thus helping you modernize the applications at the same time of database migration. Once schema conversion is complete, SCT can help migrate data from a range of data warehouses to Amazon Redshift using built-in data migration agents.

Benefits

Simple to use

mg电子游戏试玩网页版 is simple to use. There is no need to install any drivers or applications, and it does not require changes to the source database in most cases. You can begin a database migration with just a few clicks in the 不朽情缘试玩网址 Management Console. Once the migration has started, DMS manages all the complexities of the migration process including automatically replicating data changes that occur in the source database during the migration process. You can also use this service for continuous data replication with the same simplicity.

Minimal downtime

mg电子游戏试玩网页版 helps you migrate your databases to 不朽情缘试玩网址 with virtually no downtime. All data changes to the source database that occur during the migration are continuously replicated to the target, allowing the source database to be fully operational during the migration process. After the database migration is complete, the target database will remain synchronized with the source for as long as you choose, allowing you to switchover the database at a convenient time.

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mg电子游戏试玩网页版 can migrate your data to and from most of the widely used commercial and open source databases. It supports homogeneous migrations such as Oracle to Oracle, as well as heterogeneous migrations between different database platforms, such as Oracle to Amazon Aurora. Migrations can be from on-premises databases to Amazon RDS or Amazon EC2, databases running on EC2 to RDS, or vice versa, as well as from one RDS database to another RDS database. It can also move data between SQL, NoSQL, and text based targets.

Low cost

mg电子游戏试玩网页版 is a low cost service. You only pay for the compute resources used during the migration process and any additional log storage.. This applies to both homogeneous and heterogeneous migrations of any supported databases. This is in stark contrast to conventional database migration methods that can be very expensive.

mg电子游戏试玩网页版

You can set up a DMS task for either one-time migration or on-going replication. An on-going replication task keeps your source and target databases in sync. Once set up, the on-going replication task will continuously apply source changes to the target with minimal latency. All DMS features such as data validation and transformations are available for any replication task.

Reliable

The mg电子游戏试玩网页版 is highly resilient and self–healing. It continually monitors source and target databases, network connectivity, and the replication instance. In case of interruption, it automatically restarts the process and continues the migration from where it stopped. Multi-AZ option allows you to have high-availability for database migration and continuous data replication by enabling redundant replication instances.

Use cases

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In homogeneous database migrations, the source and target database engines are the same or are compatible like Oracle to Amazon RDS for Oracle, MySQL to Amazon Aurora, MySQL to Amazon RDS for MySQL, or Microsoft SQL Server to Amazon RDS for SQL Server. Since the schema structure, data types, and database code are compatible between the source and target databases, this kind of migration is a one-step process. You create a migration task with connections to the source and target databases, and then start the migration with the click of a button. mg电子游戏试玩网页版 takes care of the rest. The source database can be located in your own premises outside of 不朽情缘试玩网址, running on an Amazon EC2 instance, or it can be an Amazon RDS database. The target can be a database in Amazon EC2 or Amazon RDS.

Homogeneous database migrations use case diagram

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In heterogeneous database migrations the source and target databases engines are different, like in the case of Oracle to Amazon Aurora, Oracle to PostgreSQL, or Microsoft SQL Server to MySQL migrations. In this case, the schema structure, data types, and database code of source and target databases can be quite different, requiring a schema and code transformation before the data migration starts. That makes heterogeneous migrations a two-step process. First use the Amazon Schema Conversion Tool to convert the source schema and code to match that of the target database, and then use the mg电子游戏试玩网页版 to migrate data from the source database to the target database. All the required data type conversions will automatically be done by the mg电子游戏试玩网页版 during the migration. The source database can be located in your own premises outside of 不朽情缘试玩网址, running on an Amazon EC2 instance, or it can be an Amazon RDS database. The target can be a database in Amazon EC2 or Amazon RDS.

Heterogeneous database migrations use case diagram

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mg电子游戏试玩网页版 can be used to migrate data both into and out of the cloud for development purposes. There are two common scenarios. The first is to deploy development, test or staging systems on 不朽情缘试玩网址, to take advantage of the cloud’s scalability and rapid provisioning. This way, developers and testers can use copies of real production data, and can copy updates back to the on-premises production system. The second scenario is when development systems are on-premises (often on personal laptops), and you migrate a current copy of an 不朽情缘试玩网址 Cloud production database to these on-premises systems either once or continuously. This avoids disruption to existing DevOps processes while ensuring the up-to-date representation of your production system.

Development and test use case diagram

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You can use mg电子游戏试玩网页版 to consolidate multiple source databases into a single target database. This can be done for homogeneous and heterogeneous migrations, and you can use this feature with all supported database engines. The source databases can be located in your own premises outside of 不朽情缘试玩网址, running on an Amazon EC2 instance, or it can be an Amazon RDS database. The sources databases can also be spread across different locations. For example, one of the source databases can be in your own premises outside of 不朽情缘试玩网址, while the second one in Amazon EC2, and the third one in an Amazon RDS database. The target can be a database in Amazon EC2 or Amazon RDS.

Database consolidation use case diagram

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You can use mg电子游戏试玩网页版 to perform continuous data replication. Continuous data replication has a multitude of use cases including Disaster Recovery instance synchronization, geographic database distribution and Dev/Test environment synchronization. You can use DMS for both homogeneous and heterogeneous data replications for all supported database engines. The source or destination databases can be located in your own premises outside of 不朽情缘试玩网址, running on an Amazon EC2 instance, or it can be an Amazon RDS database. You can replicate data from a single database to one or more target databases or consolidate and replicate data from multiple databases to one or more target databases.

Continuous data replication use case diagram

Serverless

Amazon DMS Serverless offers the flexibility and ease to migrate data without the need to provision replication instances or manually monitor use and adjust capacity. It automatically provisions, monitors, and scales migration resources to the optimal capacity needed to meet demand. DMS Serverless supports popular DMS use cases including continuous data replication, database consolidation, and migrations, even if the source and target database engines differ. It aids even the most complex migrations, including migrating tens or even hundreds of workloads simultaneously or completing ongoing data replications on Amazon.

Amazon DMS Serverless is cost effective, as you no longer need to overprovision resources to peak demand. You only pay for the data migration capacity you use. Visit the Amazon DMS Serverless documentation to learn more.

For homogeneous migrations between like-to-like or compatible-engines, Amazon DMS also offers the option to use built-in native tooling with automatic scaling for a seamless database migration. Pay only for the hours used.

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Your use of this service is subject to the 不朽情缘试玩网址 Customer Agreement .

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