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Awesome GitHub RepositoriesMap Join Optimizations
Automatically selects map joins for star-schema queries by loading smaller tables into memory as hash tables.
Distinct from Database Query Joins: Distinct from Database Query Joins: focuses on automatic map join selection for star-schema queries, not general join capabilities.
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Awesome Map Join Optimizations GitHub Repositories
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- apache/hive
apache/hive
6,012在 GitHub 上查看Apache Hive is a SQL-on-Hadoop data warehouse that enables querying and managing petabytes of data stored in distributed storage such as HDFS and cloud storage services. It provides a familiar SQL interface for batch analytics and reporting, supported by a core set of components including the HiveServer2 Thrift service for remote query execution, the Hive Metastore Service for central metadata management, the Hive ACID Transaction Engine for concurrent read-write operations, and the Hive LLAP Interactive Engine for low-latency analytical processing. The WebHCat REST API offers an HTTP interfac
Automatically selects map joins for star-schema queries by loading smaller tables into memory as hash tables.
Javaapachebig-datadatabase
