subdata base

Thân thiện

A scientist selects a subdata base for her climate research.

Definition

Noun: A subdata base is a defined subset of data within a larger database, specifically selected and organized for use by a particular application or for a specific purpose.

Usage

A subdata base is a technical term used in computing and data management. It refers to a portion of a main database that has been isolated or structured to serve a distinct function, often to improve efficiency, security, or relevance for a specific software application.

Examples

• The financial reporting application accesses only the accounting subdata base, not the entire customer relationship management system.
• Creating a subdata base for the research project ensured the team worked with only the relevant experimental records.
• The system administrator defined a subdata base containing client contact information for the marketing team's use.

Advanced Usage

• Logical vs. Physical: A subdata base can be a logical partition (a view or query result) or a physical copy/extract of a portion of the main database.
• Security Context: Implementing subdata bases is a common strategy for enforcing data access controls, limiting users or applications to only the data they are authorized to see.

Variants and Related Words

• Sub-database: An alternative hyphenated spelling of the same term.
• Data subset: A more general term for any smaller set of data taken from a larger collection.
• Database view: In relational databases, a virtual table that represents a specific, often application-focused, subset of data.
• Schema: The structure that defines the organization of data within a database or a subdata base.

Synonyms

• Data subset
• Database partition (in some contexts)
• Dataset (when referring to an extracted collection)

Notes on Meaning

The term subdata base is highly specific to database management. Its core meaning is always a part of a whole, emphasizing segregation for a functional purpose. It is not typically used in casual conversation but in technical design, development, and administration discussions.

Học thuật

Noun

1. a subset of data in a database that are used in a specific application