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A data structure known as a hash table.. In computer science, a data structure is a data organization and storage format that is usually chosen for efficient access to data. [1] [2] [3] More precisely, a data structure is a collection of data values, the relationships among them, and the functions or operations that can be applied to the data, [4] i.e., it is an algebraic structure about data.
Index is a full index so data file does not have to be ordered; Pros and cons versatile data structure – sequential as well as random access; access is fast; supports exact, range, part key and pattern matches efficiently. volatile files are handled efficiently because index is dynamic – expands and contracts as table grows and shrinks
Hierarchical storage management (HSM), also known as tiered storage, [1] is a data storage and data management technique that automatically moves data between high-cost and low-cost storage media. HSM systems exist because high-speed storage devices, such as solid-state drive arrays, are more expensive (per byte stored) than slower devices ...
A tabular data card proposed for Babbage's Analytical Engine showing a key–value pair, in this instance a number and its base-ten logarithm. A key–value database, or key–value store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, and a data structure more commonly known today as a dictionary or hash table.
In computer architecture, the memory hierarchy separates computer storage into a hierarchy based on response time.Since response time, complexity, and capacity are related, the levels may also be distinguished by their performance and controlling technologies. [1]
Storage management usually refers to the management of computer data storage, which includes memory management. It can also refer to specific methods or products for storage management, such as the following ADSTAR Distributed Storage Manager; Automatic Storage Management; Hierarchical storage management; IBM Tivoli Storage Manager
Object storage (also known as object-based storage [1] or blob storage) is a computer data storage approach that manages data as "blobs" or "objects", as opposed to other storage architectures like file systems, which manage data as a file hierarchy, and block storage, which manages data as blocks within sectors and tracks. [2]
A storage model is a model that captures key physical aspects of data structure in a data store. [1] On the other hand, a data model is a model that captures key logical aspects of data structure in a database. The physical storage can be a local disk, a removable media, or storage accessible via the network.
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