Azure Cosmos DB - Understanding a Section Key

Question

I create our first Azure Cosmos database - I will import into the first collection, data from a table in one of our SQL Server databases. When setting up the collection, I had problems understanding the meaning and requirements for the section key, which I should specifically mention when setting up this initial collection.

I read the documentation here: ( https://docs.microsoft.com/en-us/azure/cosmos-db/documentdb-partition-data ) and am still not sure how to continue the naming convention for this section key.

Can someone help me understand how I should think of naming this section key? See the screenshot below for the field I'm trying to fill.

In case this helps, the imported table consists of 7 columns, including a unique primary key, a column of unstructured text, a column of URLs and several other secondary identifiers for this URL. Not sure if any of this data has anything to do with how I should name my section.

EDIT: I added a screenshot of several records from the table from which I import, on request from @Porschiey.

Answer 1

Honestly, the video here * was the BASIC help for understanding partitioning in CosmosDb.

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Answer 2

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Answer 3

, Cosmos DB .

: https://docs.microsoft.com/en-us/azure/cosmos-db/partition-data

Answer 4

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Answer 5

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:

SELECT * FROM T WHERE T.CustomerId= 'CustomerId';

var options = new FeedOptions{ PartitionKey = new PartitionKey(CustomerId)};

var query = _client.CreateDocumentQuery(CollectionUri,$"SELECT * FROM T",options).AsDocumentQuery();