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  • 5.8 Multi-column layout (*)

    765 2024-05-10 《R Markdown Cookbook》
    Pandoc’s Markdown supports the multi-column layout for slides but not other types of documents. In this recipe, we show how to use the multi-column layout in normal HTML documents...
  • Catalogs

    762 2024-06-26 《Apache Amoro 0.6.1》
    Introduce multi-catalog How to use Future work Introduce multi-catalog A catalog is a metadata namespace that stores information about databases, tables, views, indexes, users...
  • Fetch Plan/Groups

    754 2024-05-25 《Apache JDO 3.2.1》
    Default Fetch Group Named Fetch Groups Dynamic Fetch Groups Fetch Depth Fetch Size When an object is retrieved from the datastore by JDO typically not all fields are retrieve...
  • SQL Procedures

    744 2024-07-01 《Apache Hudi 0.15.0》
    Usage Named arguments Positional arguments help Commit management show_commits show_commits_metadata show_commit_extra_metadata show_archived_commits show_archived_commits_...
  • SQL

    727 2024-05-25 《Apache JDO 3.2.1》
    Setting candidate class Unique results Defining a result type Parameters As we have described earlier, JDO allows access to many query languages to give the user full flexibil...
  • Schema Evolution

    720 2024-06-28 《Apache Hudi 0.15.0》
    Schema Evolution on Write Type Promotions Schema Evolution on read Adding Columns Altering Columns Deleting Columns Renaming columns Schema Evolution in Action Related Reso...
  • Flink Writes

    Writing with SQL INSERT INTO INSERT OVERWRITE UPSERT Write with Avro GenericRecord Branch Writes Metrics Options Write options Notes Iceberg support batch and streami...
  • The Share Level Of Kyuubi Engines

    710 2024-07-05 《Apache Kyuubi 1.9.1》
    Why do we need this feature? The current supported share levels CONNECTION USER(Default) GROUP SERVER Subdomain Hybrid Related Configurations Conclusion The share level ...
  • Data Quality

    690 2024-06-30 《Apache Hudi 0.15.0》
    SQL Query Single Result SQL Query Equality SQL Query Inequality Extend Custom Validator Additional Monitoring with Notifications Related Resources Data quality refers to the...
  • Table Watermark

    680 2024-06-26 《Apache Amoro 0.6.1》
    Table freshness Table watermark Table freshness Data freshness represents timeliness, and in many discussions, freshness is considered one of the important indicators of data q...