Does DynamoDB support enum?
With OPM enum support, enums are stored as their numeric representations in DynamoDB. (The default underlying type is int , but you can change it, as described in this MSDN article.)
What is @DynamoDBAttribute?
Annotation Type DynamoDBAttribute Interface for marking a class property as an attribute in a DynamoDB table. Applied to the getter method or the class field for a modeled property. If the annotation is applied directly to the class field, the corresponding getter and setter must be declared in the same class.
What is Dynamodbhashkey?
The partition key of an item is also known as its hash attribute. The term hash attribute derives from the use of an internal hash function in DynamoDB that evenly distributes data items across partitions, based on their partition key values. The sort key of an item is also known as its range attribute.
What is DynamoDBIgnore?
DynamoDBIgnore. Indicates to the DynamoDBMapper instance that the associated property should be ignored. When saving data to the table, the DynamoDBMapper does not save this property to the table. Applied to the getter method or the class field for a non-modeled property.
What is Hashkey and Rangekey in DynamoDB?
DynamoDB supports two types of primary keys, a Hash Key and a Hash and Range Key. A Hash Key consists of a single attribute that uniquely identifies an item. A Hash and Range Key consists of two attributes that together, uniquely identify an item.
Can we use hibernate with DynamoDB?
You can use Hibernate to map object-oriented domain models to a traditional relational database. The tutorial below shows how to use the CData JDBC Driver for Amazon DynamoDB to generate an ORM of your Amazon DynamoDB repository with Hibernate.
What is DynamoDB range Key?
The sort key of an item is also known as its range attribute. The term range attribute derives from the way DynamoDB stores items with the same partition key physically close together, in sorted order by the sort key value. Each primary key attribute must be a scalar (meaning that it can hold only a single value).
What is PK and SK?
Partition Key and Sort Key in Amazon DynamoDB These two attributes are called Partition Key (PK) and Sort Key (SK). DynamoDB can use a single PK as a primary key (unique identifier in Table) or a combination of PK and SK as a primary key.