datadatasetid

Datadatasetid refers to the identifier assigned to a dataset within a data system. It serves as a stable, machine-readable handle used to reference the dataset in queries, metadata records, access controls, and integration workflows. The exact semantics and syntax can vary by platform, but the core idea remains: a unique label that remains constant as the dataset evolves.

In many cloud and data platforms, the dataset identifier is scoped within a namespace, such as a project, database, or catalog. A fully qualified id combines the namespace with the datasetId, for example a projectId.datasetId in Google Cloud BigQuery, or catalog.database.datasetId in other systems. Such qualification helps avoid conflicts when multiple datasets exist across teams or environments.

Common constraints include allowed characters (often lowercase letters, digits, underscores or hyphens), length limits (often 1-63 or 256 characters), and rules about starting characters. Some systems reserve certain words or require case sensitivity. It is typically recommended that dataset ids be stable, descriptive, and not derived from transient values.

Best practices: define a naming convention, separate technical identifiers from display names, treat dataset identifiers as immutable references, and validate identifiers on creation. Maintain documentation and versioned references in metadata catalogs to support reproducibility and governance.

See also: dataset, data catalog, namespace, project, resource identifier, dataset name, tableId.