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Data Governance
Join discussions on data governance practices, compliance, and security within the Databricks Community. Exchange strategies and insights to ensure data integrity and regulatory compliance.
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Forum Posts

lizou
by Contributor II
  • 8591 Views
  • 7 replies
  • 4 kudos

no information on character_maximum_length and is_identity in unity catalog table system.information_schema.columns

no information on character_maximum_length and is_identity in unity catalog table system.information_schema.columnstable definition exampleCREATE TABLE tyable_name ( UniqueID bigint not null GENERATED ALWAYS AS IDENTITY ,  ID varchar(256))looks like ...

image
  • 8591 Views
  • 7 replies
  • 4 kudos
Latest Reply
anish2102
New Contributor III
  • 4 kudos

Hello Team,Still i am facing same issue of value zero in  character_maximum_length. Is there any other way we can get character_maximum_length of columns?When we can expect to resolve this bug? 

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Anonymous
by Not applicable
  • 3915 Views
  • 3 replies
  • 1 kudos
  • 3915 Views
  • 3 replies
  • 1 kudos
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vihangk1
Databricks Employee
  • 1 kudos

Starting DBR 12.1 you can run the UNDROP command to undrop a managed or external table. The table must be in Unity Catalog for this feature to work. See https://docs.databricks.com/sql/language-manual/sql-ref-syntax-ddl-undrop-table.html for more det...

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Vivek_Singh
by New Contributor III
  • 1625 Views
  • 2 replies
  • 0 kudos

How to update change data UnityCatalog table after migrating hive metastore delta table

If I will migrate the Hive_metastore table into Unity Catalog table and subsequently hive metastore table is target of curation process. how I will migrate the delta record from Hive_metastore table to Unity Catalog table

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  • 2 replies
  • 0 kudos
Latest Reply
Vartika
Databricks Employee
  • 0 kudos

Hi @Vivek Singh Banafar​ Hope everything is going great.Just checking in. Does @Debayan Mukherjee​'s response answer your question? If yes, would you be happy to mark it as best so that other members can find the solution more quickly?We'd love to he...

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Shafi
by New Contributor III
  • 5660 Views
  • 4 replies
  • 6 kudos

Resolved! Cannot create a table having a column whose name contains commas in Hive metastore.

Hi Tried to create a delta table from spark data frame using below command:destination_path = "/dbfs/mnt/kidneycaredevstore/delta/df_corr_feats_spark_4"df_corr_feats_spark.write.format("delta").option("delta.columnMapping.mode", "name").option("path"...

  • 5660 Views
  • 4 replies
  • 6 kudos
Latest Reply
Pat
Honored Contributor III
  • 6 kudos

Hi @Shafiul Alam​ ,who gave those names to columns? you can rename you columns, replace spaces / special characters, for example:%python import re list_of_columns = df_corr_feats_spark.colums renamed_list_of_columns = [ re.sub(r'[^0-9a-zA-Z]+', "_", ...

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Mr__E
by Contributor II
  • 4929 Views
  • 3 replies
  • 1 kudos

Resolved! Table ACLs, secrets, and compute clusters

I am adding a credential to access MongoDB through the Python MongoDB Spark connector. It is stored as a secret and the `users` group has `MANAGE` ACL privileges. I turned on table ACLs and created a `High Concurrency` compute cluster. I then run a s...

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  • 3 replies
  • 1 kudos
Latest Reply
Atanu
Databricks Employee
  • 1 kudos

@Erik Louie​  looks the issue is resolved. Please let me know if you need further help on this. Thanks!

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