What should a solutions architect recommend?

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In: SAA-C03
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A company is moving its on-premises Oracle database to Amazon Aurora PostgreSQL.The database has several applications that write to the same tables.The applications need to be migrated one by one with a month in between each migration.Management has expressed concerns that the database has a high number of reads and writes.The data must be kept in sync across both databases throughout the migration.

What should a solutions architect recommend?

Use AWS DataSync for the initial migration. Use AWS Database Migration Service (AWS DMS) to create a change data capture (CDC) replication task and a table mapping to select all tables.

Use AWS DataSync for the initial migration. Use AWS Database Migration Service (AWS DMS) to create a full load plus change data capture (CDC) replication task and a table mapping to select all tables.

Use the AWS Schema Conversion Tool with AWS Database Migration Service (AWS DMS) using a memory optimized replication instance. Create a full load plus change data capture (CDC) replication task and a table mapping to select all tables.

Use the AWS Schema Conversion Tool with AWS Database Migration Service (AWS DMS) using a compute optimized replication instance. Create a full load plus change data capture (CDC) replication task and a table mapping to select the largest tables.

2025-10-06

1 Comment

  1. Julie
    Author

    I rate that the answer is:
    Use the AWS Schema Conversion Tool with AWS Database Migration Service (AWS DMS) using a memory optimized replication instance. Create a full load plus change data capture (CDC) replication task and a table mapping to select all tables.

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