SQL Server 2005 migration methods

Consider the following common SQL Server 2005 migration methods before determining which path you'll take to upgrade a customer's SQL Server environment.

SQL Server 2005 Migration Options
ID	Component	Description	Additional Information
1a	Database Engine and all objects	In Place Upgrade: Upgrading from SQL Server 2000 to 2005 can be performed on the same server during the installation process.	How to: Upgrade to SQL Server 2005 (Setup) Upgrading the Database Engine
1b	Database(s) and all objects	Copy Database Wizard: With the database in single-user mode, a database can be moved from one SQL Server to the next.	How to: Upgrade to SQL Server 2005 with the Copy Database Wizard
1c	Database(s) and all objects	Detach and Attach Database: Ability to issue the systems stored procedures to detach the database from a SQL Server 7.0 or 2000 machine, copy the database and log files and the attached database in the SQL Server 2005 environment.	How to: Upgrade a Database Using Detach and Attach (Transact-SQL)
1d	Database(s) and all objects	Backup and Restore: Backing up from SQL Server 2000 and restoring to SQL Server 2005 is a reliable and trusted way to perform the upgrade and let the relational engine upgrade during the restore process.	Backup Command Restore Command
1e	Database(s) and all objects	DDL and DML T-SQL scripts: Database objects can be scripted directly from SQL Server and then executed in the destination system to perform the upgrade process.	How to: Generate a Script (SQL Server Management Studio)
1f	Data	SQL Server Integration Services (SSIS) Import and Export Wizard: SSIS' wizard offers an easy means to point and click to move data.	Creating Packages Using the SQL Server Import and Export Wizard
2	Analysis Services	Analysis Services Migration Wizard: This wizard walks you through the instance and database-level upgrade process.	Upgrading or Migrating Analysis Services How to: Upgrade an Instance of Analysis Services How to: Migrate Analysis Services Databases
3	Reporting Services	Run the setup process to upgrade each Reporting Services component.	Upgrading a Default Installation of Reporting Services
4	ETL Code	SQL Server Integration Services: Upgrade during the SQL Server Engine installation process. Options are available to execute the DTS Packages natively in a backward compatibility mode, build SSIS Packages to call the DTS Packages or migrate the functionality from DTS to SSIS.	Upgrading or Migrating Data Transformation Services How to: Upgrade from Data Transformation Services to Integration Services
5	Notification Services	nscontrol: Leverage nscontrol at the command prompt in tandem with the SQL Server 2005 setup application to complete the upgrade.	How to: Migrate Notification Services 2.0 Instances to SQL Server 2005 (SQL Server Management Studio)
6	Replication	Based on the types and amount of customization, the configurations can be maintained with the same server and database names or customized based on the environment.	How to: Upgrade Replication Scripts (Replication Transact-SQL Programming) Upgrading Replicated Databases
7	External scripts	Review and execute in the test environment to validate the functionality.	N/A
8	Middle-tier and front-end applications	Review and execute in the test environment to validate the functionality.	N/A
9	Third-party tools	Contact the vendor for the product upgrade path.	N/A
10	New application development	Build a new application to support the application needs rather than upgrade the current application.	N/A

About the author: Jeremy Kadlec is the Principal Database Engineer at Edgewood Solutions, a technology services company delivering professional services and product solutions for Microsoft SQL Server. He has authored numerous articles and delivers frequent presentations at regional SQL Server Users Groups and nationally at SQL PASS. Jeremy is also SearchSQLServer.com's Performance Tuning expert. Ask him a question.