Help Center/ GaussDB/ Developer Guide(Centralized_3.x)/ Schemas/ DB4AI Schema/ DB4AI.SAMPLE_SNAPSHOT

Updated on 2024-05-07 GMT+08:00

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DB4AI.SAMPLE_SNAPSHOT

SAMPLE_SNAPSHOT samples basic data to generate snapshots for the DB4AI feature. You can invoke SAMPLE SNAPSHOT to implement this function.

**Table 1** DB4AI.SAMPLE_SNAPSHOT input parameters and return values
Parameter	Type	Description
i_schema	IN NAME	Name of the schema storing snapshots
i_parent	IN NAME	Parent snapshot name
i_sample_infixes	IN NAME[]	Sample snapshot name infix
i_sample_ratios	IN NUMBER[]	Size of each sample, which is used as the sample set ratio
i_stratify	IN NAME[]	Layering strategy
i_sample_comments	IN TEXT[]	Sample snapshot description
res	OUT db4ai.snapshot_name	Result

Parent topic: DB4AI Schema

Previous topic: DB4AI.MANAGE_SNAPSHOT_INTERNAL

Next topic: DB4AI.PURGE_SNAPSHOT

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