SQL Data Warehouse

Do you have an idea or suggestion based on your experience with SQL Data Warehouse? We would love to hear it! Please take a few minutes to submit your idea or vote up an idea submitted by another SQL Data Warehouse customer. All of the feedback you share in these forums will be monitored and reviewed by the SQL Data Warehouse engineering team. By suggesting or voting for ideas here, you will also be one of the first to know when we begin work on your feature requests and when we release the feature.

Remember that this site is only for feature suggestions and ideas! If you have technical questions please try our documentation, MSDN forum, or StackOverflow. If you need support, please open a support ticket with us.

How can we improve Microsoft Azure SQL Data Warehouse ?

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  1. User Defined Retention Periods for Restore Points

    SQL DW doesn't have the capability to specify longer term retention capabilities as released for SQL DB recently. The workaround is to restore and pause. It would be great to have this capability for compliance and auditing requirements.

    130 votes
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    19 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  2. Enable support for cross subscription restore

    The current workaround for cross subscription restore is:

    1. Restore to a new logical server in the same prod subscription
    2. ‘Move’ the new logical server with the restored data warehouse to new subscription

    It would be faster and simpler to enable restore directly to a different subscription.

    23 votes
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    2 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  3. Shrinkdatabase command support

    Shrinkdatabase command should to be supported even if TDE is on or off because extra cost is charged in case that the unallocated space is huge.

    82 votes
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    2 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  4. Restore single table from backup

    The ability to restore a single table from backup, to an existing DW, would greatly assist in recovering from errors.

    53 votes
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  5. Auto-suspend and Auto-resume

    I would absolutely magic if we had something like Snowflake:
    - Automatically suspends the warehouse if no query has been issued during a fixed amount of time
    - Automatically resumes the warehouse when a query is issued

    6 votes
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  6. Allow both primary and secondary maintenance to be scheduled on Saturday and Sunday

    Primary and Secondary maintenance must be mutually exclusive (either Saturday / Sunday or during weekdays); We run batch jobs daily, with the exception of Saturday. Must schedule maintainance on Saturday.

    3 votes
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  7. AutoPause after user-defined inactive period

    Especially in dev environments, a currently running dw with no active queries is a waste. Some guard rails to protect users from themselves would be useful.

    Something like the feature in databricks.

    1 vote
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  8. Resource Governance - Resource Pools - Control CPU, physical IO, memory, priority, run-time cap, max request, concurrency, request timeout..

    1. Ability to manage workloads effectively
    2. Enables to specify limits on the amount of CPU, physical IO and memory
    3. User-Defined Resource Pools
    a. Memory size
    b. Memory cap
    c. CPU
    d. Maximum requests
    e. Grant time-out
    f. Priority
    g. Concurrency
    h. Run-time cap

    73 votes
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    7 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  9. Assign a private IP from VNET

    The current VNET endpoint solution does not allow connections via expressroute.

    Allow a private IP from the VNET to be assigned to the data warehouse, so that we can easily route to the warehouse from on prem, via expressroute. Removing the need for any complex peering or other IT infrastructure involvement.

    4 votes
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    started  ·  0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  10. sp_send_db_mail needs to be supported to send mails from stored procedure

    sp_send_db_mail needs to be supported to send mails from stored procedures created on Azure.

    We should have the abilities of sp_send_dbmail which was available with databases

    6 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  11. Increase Concurrency limit as a tweakable system parameter

    Increase the concurrency limit from 32 to unlimited and keep it tweakable , so the customers can vary it according to their needs

    17 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  12. Automatic Generation and Updating of table statistic

    It would be great if table statistics were automatically created and updated in Azure Data Warehouse.

    43 votes
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    5 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  13. Pause Resume Azure SQL Data Warehouse Using SQL Command

    It would be great if we can have SQL command to Pause/Resume DB instance like how we do for Scale up/down (under Master DB). This will help us to manage the same from ADF and don't have to worry about trigger REST API or PowerShell

    43 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    Thank you for voting for this feature. We understand this scenario and will consider this in a future release. For now, please continue monitoring this item and have your team vote for this feature. Thank you for your patience.

  14. Azure Data Factory loading to Azure DWH - Polybase permissions

    When using Polybase to load into Data Warehouse via Data Factory, Control permission on the database is required for the user.
    Can this be limited to a Schema Owner, or be more granular at the database level ?

    10 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  15. Provide a way to expose the actual DWU usage (not the same as the scale setting).

    You can see what the database is scaled to i.e. DWU 200, but how do you know how much is actually being used over time. The portal display a graph of both the DWU limit and the DWU used but there is no way to programmatically monitor how much is being used.

    29 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    We are actively improving our monitoring experience. Currently we have ‘DWU Used’ in the portal which is a blend between CPU and IO to indicate data warehouse utilization. We also have future improvements on our road map such as Query Data Store and integrating with Azure Monitor for near real time troubleshooting in the Azure portal. If anyone has any other feedback, please elaborate on your scenario on this thread. Thank you for your continued support!

  16. Expand size of LABEL in query logs

    The LABEL column in the sys.dm_pdw_exec_requests DMV is limited to 255 characters.

    This field needs to be much larger to store rich metadata/context of some queries.

    4 votes
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    1 comment  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →
  17. Backup on Pause/Resume

    At the moment the automated backup process take place every 8 hours unless the database is paused. Upon resumption of the database, it appears that it has to be online for 8 hours before the next backup is taken.

    If resuming and then pausing the system again it is possible to go for a long duration without backups. Could you please evaluate the potential of taking an automatic backup either when the database is paused or resumed.

    12 votes
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    We are actively exploring ways to enable event-driven backups. Currently this scenario can be addressed by User Defined Restore Points which is on our road map for this calendar year. Stay tuned and thank you for your patience.

  18. Implementing elastic pools for Azure SQL Data Warehouse

    A customer asked if there are plans to implement some sort of elastic pools where you can include many data warehouses and share DWU (eDWU?) the same way elastic database pools work with SQL Databases.

    29 votes
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    5 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    Thank you for all the feedback folks. This is on our radar and we will consider this in a future release. We will reach back out when it is on the roadmap and can share when we have an update. Please vote for this feature and comment on your scenario below.

  19. Need alert on number of queued queries and number of concurrency slots available in portal

    The charts in the SQL DW blade in the portal and the ability to add alerts are very helpful. Please add additional metrics. The two metrics that I think would be helpful are:

    Number of Queued Queries (meaning after you've exhausted your 32 concurrent queries or your concurrency slots or the queued query needs more concurrency slots than are available, queries get queued)

    Number of Concurrency Slots Available (the sum of concurrency slots used by currently running queries... would help surface whether you need to scale to more DWUs)

    27 votes
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    0 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    Thank you for voting for this folks! This is on our radar. We have plans to improve workload management for Azure SQL Data Warehouse which includes monitoring capabilities within the Azure portal. We’d love to hear your feedback so please comment on your scenario below.

  20. Lower scale points for Dev/Test environments

    SQL Data Warehouse scale stepping should be much smaller (10 DWU or even 1 DWU), than 100 DWU!
    Please fix that ASAP!
    Thank you!

    95 votes
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    10 comments  ·  Management  ·  Flag idea as inappropriate…  ·  Admin →

    Thank you for all the feedback folks. We are currently evaluating options for lower click stops for SQL Data Warehouse. Please continue to vote and comment on your scenario below. Thank you for your patience.

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