Hey, I'm Rahul Nath 👋
Coder. Blogger. YouTuber. Teacher.
I enjoy running. Blogs are usually technical and about life in general.
Coder. Blogger. YouTuber. Teacher.
I enjoy running. Blogs are usually technical and about life in general.
When reading data from a DynamoDB table, by default, it returns all of the attributes of the items. However, in some application scenarios, you might only require a subset of the attributes of the items. In these scenarios, you can use a ProjectionExpression to limit the item attributes returned as
DynamoDB supports using custom types in your Documents. Based on your programming language, If there is no direct mapping for these types to Amazon DynamoDB types, you need to specify additional information on how to map them. Custom Converters allow specifying custom maps for these types in DynamoDB. In this
DynamoDB charges for reading, writing, and storing data in your DynamoDB tables. As a rule of thumb, when querying data, you can consider that each record that you retrieve from the database has a direct cost attached to it. Limiting the items you retrieve has a direct impact on saving
Querying is an essential operation in DynamoDB. It allows you to filter and select items in your database based on your application and user needs. When moving over to DynamoDB from more traditional relational databases like SQL Server, you must understand the different ways you can retrieve data in DynamoDB.
The Lambda Lifecycle affects the way we write out Function code. Learn some of the dos and don'ts when building Lambda Functions in .NET because of how Lambda initializes the Function classes.