Using a SerDe - Amazon Athena

Using a SerDe

A SerDe (Serializer/Deserializer) is a way in which Athena interacts with data in various formats.

It is the SerDe you specify, and not the DDL, that defines the table schema. In other words, the SerDe can override the DDL configuration that you specify in Athena when you create your table.

To use a SerDe in queries

To use a SerDe when creating a table in Athena, use one of the following methods: