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How do I request a schema update?

Clients will sometimes require schema updates in order to activate new features that have been released by Veson. In some circumstances, a client may encounter an error if attempting to use a feature that requires a higher schema version:

  • Schema updates can be requested by Veson IMOS Platform clients, or are proactively scheduled by Veson.

  • When undertaking schema updates, Veson always upgrades the target environment to the latest available version.

  • To request a schema update, you will need to create the request through our portal, providing a time slot (specified in UTC). Typically, one hour is adequate, but we would like to request a two-hour window from Clients for this change.

Please note that confirmation of the scheduled window is dependent upon the availability of our resources.
The maintenance window for the schema update is not official unless otherwise confirmed. In the event that a request coincides with a public holiday, we may need to reschedule for an alternative update window.

Kindly provide the following details when raising a schema update request:

  1. Which environment(s)? (E.g. ABCD_prod/ ABCD_test)

    1. Note: For clients with a replicated database or using Data Lake on Snowflake, we can only update one environment per time slot.

  2. When can this update be performed?

    1. Kindly provide two maintenance windows, each with a 2-hour period, with the earliest window being at least 48 hours in advance. (Example: 12 December 2023 12 pm to 2 pm UTC, or 14 December 2023 12 pm to 2 pm UTC.) The date and time MUST be specified in the UTC time zone within the "Standard ISD request window“ table below

    2. Changes cannot be accommodated at weekends.

Standard ISD request window (Mon-Fri, excluding regional public holidays):

From:

To:

Summer Time:

01:00 UTC

20:30 UTC

Winter Time:

01:00 UTC

21:30 UTC

Note: Any request outside the above times needs approval.

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