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Data Engineering
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Forum Posts

isaac_gritz
by Valued Contributor II
  • 1082 Views
  • 1 replies
  • 2 kudos

Change Data Capture with Databricks

How to leverage Change Data Capture (CDC) from your databases to DatabricksChange Data Capture allows you to ingest and process only changed records from database systems to dramatically reduce data processing costs and enable real-time use cases suc...

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  • 1 replies
  • 2 kudos
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prasad95
New Contributor III
  • 2 kudos

Hi, @isaac_gritz can you provide any reference resource to achieve the AWS DynamoDB CDC to Delta Tables.Thank You,

  • 2 kudos
GURUPRASAD
by New Contributor II
  • 1894 Views
  • 4 replies
  • 1 kudos

Error while trying to implement Change Data Capture

Hi All,I'm new to databricks and learning towards taking up Associate Engineer Certification.While going through the section "Build Data Pipelines with Delta Live Tables". I'm trying to implement Change Data Capture, but it is erroring out when execu...

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  • 4 replies
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Kaniz
Community Manager
  • 1 kudos

Hi @GURUPRASAD MADAPURA VENKATESHAIAH​(Customer)​, We haven't heard from you since the last response from @Kearon McNicol(Customer)​ , and I was checking back to see if his suggestions helped you.Or else, If you have any solution, please share it wit...

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J_M_W
by Contributor
  • 1363 Views
  • 3 replies
  • 5 kudos

Resolved! Databricks is automatically creating a _apply_changes_storage table in the database when using apply_changes for Delta Live Tables

Hi there,I am using apply_changes (aka. Delta Live Tables Change Data Capture) and it works fine. However, it seems to automatically create a secondary table in the database metastore called _apply_storage_changes_{tableName}So for every table I use ...

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  • 1363 Views
  • 3 replies
  • 5 kudos
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J_M_W
Contributor
  • 5 kudos

Hi - Thanks @Hubert Dudek​ I will look into disabling access for the users!

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logan0015
by Contributor
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  • 3 replies
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How do you access a streaming live table's snapshots?

I have read that delta live tables will keep a history of 7 days. However after creating a streaming live table and using the dlt.apply_changes function. With this codedef run_pipeline(table_name,keys,sequence_by): lower_table_name = table_name.l...

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Anonymous
Not applicable
  • 3 kudos

Hi @Logan Nicol​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Thanks...

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Vu_QuangNguyen
by New Contributor
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  • 0 replies
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Structured streaming from an overwrite delta path

Hi experts, I need to ingest data from an existing delta path to my own delta lake. The dataflow is as shown in the diagram: Data team reads full snapshot of a database table and overwrite to a delta path. This is done many times per day, but...

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Jasam
by New Contributor
  • 7687 Views
  • 3 replies
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how to infer csv schema default all columns like string using spark- csv?

I am using spark- csv utility, but I need when it infer schema all columns be transform in string columns by default. Thanks in advance.

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jhoop2002
New Contributor II
  • 0 kudos

@peyman what if I don't want to manually specify the schema? For example, I have a vendor that can't build a valid .csv file. I just need to import it somewhere so I can explore the data and find the errors. Just like the original author's question?...

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