Demo: Reading Data
Practice reading data from the DynamoDB tables.
We'll cover the following...
Creating a table
Uptill now, we have learnt that we can create a table. For this demo, let’s create a table of medicines. We will keep the “chemical formula” as the partition key and the “dosage” as the sort key. The following is a simple code for creating such a table:
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aws dynamodb create-table \--table-name Medicines \--attribute-definitions AttributeName=ChemicalFormula,AttributeType=S \AttributeName=Dosage,AttributeType=N \--key-schema AttributeName=ChemicalFormula,KeyType=HASH \AttributeName=Dosage,KeyType=RANGE \--provisioned-throughput \ReadCapacityUnits=4,WriteCapacityUnits=4
Inserting items
Let’s use the bulk-write-item command to insert a few items into ...