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DynamoDB Primary Key, Partition Key and Sort Key

Pragya Keshap answered on February 13, 2023 Popularity 9/10 Helpfulness 2/10

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  • DynamoDB Primary Key, Partition Key and Sort Key

    0

    A primary key uniquely identifies each item in the table, so no

    two items can have the same key. DynamoDB supports two

    different kinds of primary keys:

    ▪ Partition key

    ▪ Partition key and sort key

    ▪ Partition key

    A simple primary key, composed of one attribute known as the

    partition key.

    ▪ Partition key and Sort Key

    It is Referred to as a composite primary key, this type of key is

    composed of two attributes. The first attribute is the partition

    key, and the second attribute is the sort key.

    ▪ DynamoDB uses the partition key value as input to an internal

    hash function. A composite primary key gives you additional

    flexibility when querying data

    https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.CoreComponents.html

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    Contributed on Feb 13 2023
    Pragya Keshap
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