# Step-by-step Oracle database to PostgreSQL migration walkthrough
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The following steps provide instructions for migrating an Oracle database to a PostgreSQL database. These steps assume that you have already prepared your source database as described in [Prerequisites](chap-rdsoracle2postgresql.prerequisites.md).

**Topics**
+ [Step 1: Install the SQL Drivers and Amazon Schema Conversion Tool on Your Local Computer](chap-rdsoracle2postgresql.steps.installsct.md)
+ [Step 2: Configure Your Oracle Source Database](chap-oracle2postgresql.steps.configureoracle.md)
+ [Step 3: Configure Your PostgreSQL Target Database](chap-oracle2postgresql.steps.configurepostgresql.md)
+ [Step 4: Use Amazon SCT to Convert the Oracle Schema to PostgreSQL](chap-rdsoracle2postgresql.steps.convertschema.md)
+ [Step 5: Create an Amazon DMS Replication Instance](chap-rdsoracle2postgresql.steps.createreplicationinstance.md)
+ [Step 6: Create Amazon DMS Source and Target Endpoints](chap-rdsoracle2postgresql.steps.createsourcetargetendpoints.md)
+ [Step 7: Create and Run Your Amazon DMS Migration Task](chap-rdsoracle2postgresql.steps.createmigrationtask.md)
+ [Step 8: Cut Over to PostgreSQL](chap-rdsoracle2postgresql.steps.cutover.md)