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An Item in DynamoDB is a set of attributes that can be uniquely identified in a Table. An Attribute is an atomic data entity that in itself is a Key-Value pair. The Key is always of String type, while the value can be of one of multiple data types. An Item is uniquely identified in a Table using a subset of its attributes called Keys. [7]
Dynamo is a set of techniques that together can form a highly available key-value structured storage system [1] or a distributed data store. [1] It has properties of both databases and distributed hash tables (DHTs).
An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design.
NoSQL (originally referring to "non-SQL" or "non-relational") [1] is an approach to database design that focuses on providing a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases.
Other attributes that are displayed in the "Attributes" column of Windows Explorer [7] include: Directory (D): The entry is a subdirectory , containing file and directory entries of its own. Reparse Point (L): The file or directory has an associated re-parse point, or is a symbolic link .
A CMS typically has two major components: a content management application (CMA), as the front-end user interface that allows a user, even with limited expertise, to add, modify, and remove content from a website without the intervention of a webmaster; and a content delivery application (CDA), that compiles the content and updates the website. [8]
The Minimum Spares Remaining attribute indicates the number of remaining spare blocks as a percentage of the total number of spare blocks available. [98] 252 0xFC: Newly Added Bad Flash Block: The Newly Added Bad Flash Block attribute indicates the total number of bad flash blocks the drive detected since it was first initialized in ...
A synthesized attribute is computed from the values of attributes of the children. Since the values of the children must be computed first, this is an example of bottom-up propagation. [ 5 ] To formally define a synthesized attribute, let G = V n , V t , P , S {\displaystyle G=\langle V_{n},V_{t},P,S\rangle } be a formal grammar, where