Data Catalogs bring to data search what Google and Internet brought to searching for information.
See how Dataedo Data Catalog works - explore our Product Tour.
Data Lake is a repository of data stored in raw format (CSV, JSON, XML, text, binary, documents, etc.), in contrast to a traditional (relational) Database that enforces strict predefined schema (where data is arranged in tables and columns).
Data Swamp is a Data Lake is so messy that it is unusable and does not allow you to find or get value from your data.