Microsoft Dynamics NAV 2015 introduces several improvements to the table schema synchronization process that improve performance and make it more explicit and controllable. The improvements give you with the flexibility to decide when and how the table changes are synchronized with corresponding tables in the SQL Server.
In Microsoft Dynamics NAV 2015, changes to the database schema are no longer synchronized automatically to the database when a client connects to a Microsoft Dynamics NAV Server instance. Instead, you specify when to synchronize schema changes in the development environment or the Microsoft Dynamics NAV 2015 Administration Shell.
For example, when you change a table object and compile the table, you can choose to synchronize the change to the database immediately or later. In a production environment, you apply changes to the database schema by running the Sync-NAVTenant Windows PowerShell cmdlet with the Mode parameter set to the relevant synchronization mode.
The schema synchronization design provides the following features and benefits:
- On-demand schema synchronization and monitoring As a developer or system administrator, from the development environment or Microsoft Dynamics NAV 2015 Administration Shell, you control when to perform the schema synchronization and how to synchronize table changes.This enables you to plan and schedule the schema synchronization on a case-by-case basis. Additionally, you can monitor the progress and state of the business (tenant) database at any time.
- Non-blocking and increased productivity Schema synchronization has become more granular. You perform schema synchronization for a single table or for all tables at the same time. When one table is being synchronized, you are no longer blocked from making changes to other tables.
- Capability to provide additional instructions in upgrade codeunits By using upgrade codeunits, you can provide instruction for the schema synchronization to perform additional tasks, such as automatically moving or copying data into upgrade tables, validating the table changes before applying them, or forcefully applying them when it is required.
Please check my earlier post on this topic for more detailed information.