Metadata processing method and device, equipment and readable storage medium
A processing method and technology of a processing device, applied in the computer field, can solve the problems of difficulty in effectively participating in database applications, limited meaning of metadata services, etc.
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[0054] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0055] Some terms and explanations thereof involved in the present invention are listed as follows:
[0056] metadata: data used to describe data;
[0057] Metadata association information: the association relationship between metadata;
[0058] Upstream and downstream relationship: also known as "blood relationship". Many data in the information system are processed from upstream data. The upstream and downstream relationship is used as metadata to describe the upstream and downstream relationship between data;
[0059] SQL: a query statement of a relational database;
[0060] Hive: A Hadoop-based data warehouse tool that maps structured data files to a database table and provides simple SQL query functions that convert SQL statements into MapReduce tasks for execution.
[0061] HBase: A distributed columnar stora...
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