When do upgrade scripts need to be written?
If the project lasts long enough, upgrade scripts are written sometimes months later than the initial database change was made, when the knowledge of how to migrate the data might be lost or impaired There is a significant risk of failure as the upgrade scripts have not been tested thoroughly and repeatedly prior to production release
How is database versioning and delivery with upgrade scripts?
The database versioning implementation details vary from project to project, but key elements are always present. Here they are: Database is under version control – an obvious starting point. If we could not identify database changes, how could we write upgrade scripts for them?
Which is an example of the update-script cmdlet?
The Update-Script cmdlet updates a script that is installed on the local computer. The updated script is downloaded from the same repository as the installed version. Examples Example 1: Update the specified script. This example updates an installed script and displays the updated version.
What do I need to update my PowerShell script?
The RequiredVersion parameter specifies the script version. Get-InstalledScript displays the updated version of the script. Automatically accept the license agreement during installation if the package requires it. Allows you to update a script with the newer script marked as a prerelease. Prompts you for confirmation before running Update-Script.
How to upgrade your database to new version?
Launch the new version of the client software on the upgrade test computer and connect to your production database. Follow the on-screen prompts to upgrade the database. If for any reason the upgrade attempt has failed, you must restore your database backup before attempting to upgrade again.
What’s the best way to test a database upgrade?
Make a backup copy of your database (Microsoft SQL Server or Oracle are compatible with NLS) to use in testing the upgrade process. This is the best way to get a good idea of how long the database upgrade will actually take and will allow you to appropriately plan the timing of the actual production upgrade.