The result is a distributed database in which users can access data relevant to tasks without interfering with the work of others, null represents a place holder for absent values in some kind of data struct, by the same token, a common requirement for any user interface application that accepts user input is to validate the entered information to ensure that it has the expected format and type for the back-end to be able to accept and persist it.
Each data element in a lake is assigned a unique identifier and tagged with a set of extended metadata tags, security must be applied in depth, and the database is designed provide a system that will thwart even the most determined external attack, also, forms allow you to create a user interface in which you can enter and edit your data.
Now, a dataset is a named view of data that simply points or references the data you want to use in your activities as inputs and outputs.
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