**Hello,
I am trying to copy data from Cosmos DB to Snowflake through Azure Data Factory. But I get the error- "Direct copying data to Snowflake is only supported when source dataset is DelimitedText, Parquet, JSON with Azure Blob Storage or Amazon S3 linked service, for other dataset or linked service, please enable staging". Would that imply that I need to create a linked service with blob storage? What URL and SAS token should I give? Do I need to move everything to Blob and then move forward with staging?
Any help is appreciated. Thank You very much.**
Try it with a data flow activity instead of a copy activity
Related
We are using dataverse to export the data to azure storage by using Azure Synapse Link.
We can see the all the data load into azure data lake without any issues.
now as per requirement, we could do the transformation to load the option set values which separate CSV loaded in storage account but we could not do the transformation with model.json. because the model json available all the schema details.
https://learn.microsoft.com/en-us/power-apps/maker/data-platform/export-to-data-lake-data-adf
I have BLOB files (pdfs) on Oracle and I'm trying to migrate them all to Snowflake.
My goal is to be able to download the BLOB files (that would be the VARBINARY then) from Snowflake directly instead of just having the hex code.
I understand I'd need a Amazon S3 bucket or any blob storage but still, how from Snowflake could I have access to the pdf files as it is column-based relational database?
How would I do it?
Thank you
My problem:
I need a data pipeline created from my organization’s Oracle DB (Oracle Cloud Infrastructure) to an AWS S3 bucket. Ideally, I would love for there to be some mechanism for oracle to push new data that has entered the database to be pushed to an S3 bucket as it is added (in whatever format).
Question:
Is this possible with Oracle native, specifically Oracle Cloud Infrastructure?
Or would is there a better solution you have seen?
Note:
I have seen AWS has the Data Sync product, this seems like it could facilitate with this problem, however I am not sure if it is suitable for this specific problem.
An S3 bucket is object storage; it can only hold complete files. You cannot open and update an existing file like you would in a normal file system, even just to add new rows. You will need to construct your whole file outside of Oracle and then push it to S3 with some other mechanism.
You may want to consider the following steps:
Export your data from Oracle Cloud into Oracle Object Storage (similar to S3) using the Oracle Cloud's integration with their object storage. (https://blogs.oracle.com/datawarehousing/the-simplest-guide-to-exporting-data-from-autonomous-database-directly-to-object-storage)
THEN:
Let the customer access the Oracle Object Store as they normally would access S3, using Oracle's Amazon S3 Compatibility API. (https://docs.oracle.com/en-us/iaas/Content/Object/Tasks/s3compatibleapi.htm)
OR:
Use an externally driven script to download the data - either from Oracle Object Store or directly from the database - to a server, then push the file up to Amazon S3. The server could be local, or hosted in either Oracle OCI or in AWS, as long as it has access to both object stores. (https://blogs.oracle.com/linux/using-rclone-to-copy-data-in-and-out-of-oracle-cloud-object-storage)
OR:
You may be able to use AWS Data Sync to move data directly from Oracle Object Storage to S3, depending on networking configuration requirements. (https://aws.amazon.com/blogs/aws/aws-datasync-adds-support-for-on-premises-object-storage/)
I am observing that whenever I create a new folder inside the Azure blob storage, a block blob file with the same name as the folder is auto created. I dont know why and what setting is making this behave this way. Any pointers on why and how to disable this ? Thank you.
In azure blob storage(not Azure data lake storage Gen2), you should know one important thing: You cannot create an empty folder. The reason is that blob storage has a 2 level hierarchy - blob container and blob. Any folder/directory should be part of a blob.
If you want to create an empty folder, you can use Azure data lake storage Gen2 instead. It's built on blob storage and has some familiar operations.
It is recommended that we store document information in blob storage. In our case the blob storage is related to the SQL Azure data, is the facility available to back up the blob storage in sync with the SQL Azure data ? What I don't want to see is a point in time restore of the SQL Azure data only to find we don't have the same snapshot of the blob data at that time :(
Does anyone know what is available
Interesting issue you have to solve. But there is no automated way to keep in sync BLOB and Azure SQL Database Data. You have to do manage this yourself. And here is not just about blob snapshots. How about your updated DB record refers to a new blob. What happens with the old one ?! This is all business rules to apply at application level. And you have to question yourself to what degree you want that backup of Blobs.
Here is an interesting blog post on Azure SQL and Storage backup. But again - there is no service that will keep for you in sync data between SQL DB and Azure Storage.