lerbrazerzkidai.blogg.se - Dbschema schema compare

#DBSCHEMA SCHEMA COMPARE HOW TO#
#DBSCHEMA SCHEMA COMPARE UPGRADE#
#DBSCHEMA SCHEMA COMPARE CODE#

Select Apply to Target to apply your changes from the source database to the target database. To do so, in AWS SCT, choose the box next to the category, object, or schema that you want to apply the results to. You can apply the results of the schema comparison to a single object, to a single category of objects, or to the entire schema.

Open the context (right-click) menu and choose Compare Schema.ĪWS SCT indicates the objects that are different between the two schemas by adding a black circle to the object’s icon.

Choose the schema that you want to compare.

Open an existing AWS SCT project, or create a project and connect to the source and target endpoints.

To compare two schemas, follow these steps: You specify settings for the schema comparison on the Compare Schema tab of the Project Settings page. In AWS SCT, you can find the Compare Schema option on the Current Project Settings page.

#DBSCHEMA SCHEMA COMPARE HOW TO#

Learn how to use this feature in the following sections. For example, if your source is Oracle and its version is 11.2.0.4, this feature works only if the target Oracle database is version 11.2.0.4 or higher.

The schema compare feature works only when your target database version is the same or higher than the source database version.

PostgreSQL to PostgreSQL and Aurora with PostgreSQL compatibility, versions 9.6, 9.5.9, 9.5.4.

You can use schema compare for these database conversions: It also enables saving the scripts under a source control system.

Schema compare enables you to extract schema changes as a script to help users create migration and rollback scripts.

Schema compare helps team development in propagating local schema changes to shared databases.

#DBSCHEMA SCHEMA COMPARE UPGRADE#

Schema compare helps when you upgrade application versions by propagating metadata changes.You can keep your database schema in sync in all your environments: development, testing, performance testing, and production.During your migration to AWS, the schema compare feature helps you keep your on-premises production database and target AWS database in sync.You will need schema compare for these scenarios: Schema compare is compatible with all variants of these engines: on premises, on Amazon EC2, on Amazon RDS, and on Amazon Aurora. Schema compare works with Oracle, Microsoft SQL Server, PostgreSQL, and MySQL. The schema compare feature makes it easier for you to compare and migrate changes to the database schema from the source database to the target database. We’re excited to announce a new feature in AWS SCT to enable schema comparison and synchronization for homogenous database migrations (that is, like for like – for example, Oracle to Oracle).

#DBSCHEMA SCHEMA COMPARE CODE#

It does this by automatically converting the source database schema and most of the database code objects to a format compatible with the target database. The AWS Schema Conversion Tool (AWS SCT) makes your database migrations more predictable.