DynamoDB uses the NoSQL model, which means that it is a non-relational database system. The difference between a relational database and DynamoDB is outlined in the following table:
|
SQL |
DynamoDB |
|
The SQL database system uses the persistent connection and SQL commands. |
DynamoDB uses HTTP/HTTPS requests and API operations. |
|
RDBMS's fundamental structure is a table, and its schema must be defined in advance before any operation happens on a table. |
DynamoDB uses the primary key, and a schema is not required to be defined in advance. It also uses various data sources. |
|
All table information is accessible and we can query almost all data. SQL is rich in query processing. |
Only the primary key is available for querying. To get more flexibility in querying data, one must use secondary indexes. |
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In RDBMS, information... |
