Multi-level metadata in database systems

A Motivala, Y Fang, M Hentschel, B Dageville… - US Patent …, 2021 - Google Patents
Systems, methods, and devices for multiple level metadata organization in database
systems. A system includes a plu rality of shared storage devices collectively storing …

Multi-level metadata in database systems

A Motivala, Y Fang, M Hentschel, B Dageville… - US Patent …, 2020 - Google Patents
Abstract Systems, methods, and devices for multiple level metadata organization in
database systems. A system includes a plurality of shared storage devices collectively …

Storing multi-level metadata in database systems

B Dageville, Y Fang, M Hentschel, A Motivala… - US Patent …, 2020 - Google Patents
The subject technology receives first metadata correspond ing to a set of micro-partitions.
The subject technology generates second metadata for a grouping of the first meta data. The …

Storing metadata using data structures in database systems

B Dageville, Y Fang, M Hentschel, A Motivala… - US Patent …, 2021 - Google Patents
The subject technology receives first metadata corresponding to a set of micro-partitions.
The subject technology stores a first data structure and a second data structure in storage as …

Generating data structures for storing database metadata

B Dageville, Y Fang, M Hentschel, A Motivala… - US Patent …, 2021 - Google Patents
The subject technology generates a first data structure including first metadata and a second
data structure including second metadata, the first metadata corresponding to a set of micro …

Storing database metadata in multiple levels

A Motivala, Y Fang, M Hentschel, B Dageville… - US Patent …, 2021 - Google Patents
The subject technology stores database data in a table, the table comprising a plurality of
micro-partitions each having rows and columns. The subject technology stores metadata for …

Multi-level data for database systems

B Dageville, Y Fang, M Hentschel, A Motivala… - US Patent …, 2023 - Google Patents
The subject technology receives first metadata corresponding to a set of micro-partitions.
The subject technology stores a first data structure and a second data structure in storage as …

Low latency ingestion into a data system

D Gupta, S Muralidhar - US Patent 11,775,563, 2023 - Google Patents
Described herein are techniques for improving transfer of metadata from a metadata
database to a database stored in a data system, such as a data warehouse. The metadata …

Data retention management for partitioned datasets

D Opincariu, S Joshi - US Patent 12,072,868, 2024 - Google Patents
Abstract Systems and methods are disclosed to implement a data storage system that
manages data retention for partitioned datasets. A received data retention policy specifies to …

Low latency ingestion into a data system

D Gupta, S Muralidhar - US Patent 11,487,788, 2022 - Google Patents
Described herein are techniques for improving transfer of metadata from a metadata
database to a database stored in a data system, such as a data warehouse. The metadata …