Detecting Object State Persisting an object Updating an object Deleting an object Possible state transitions JDO manages the lifecycle of an object, from creation (Transient ...
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Relationships There are 2 prevalent specification in the Java ORM world. JDO provides the most complete definition, whilst JPA is the most recent. Relationships In this guide w...
Kafka Connect Kafka Connect is a popular framework for moving data in and out of Kafka via connectors. There are many different connectors available, such as the S3 sink for writ...
Installing and Configuring MySQL Installing and Configuring Postgres Using an Oracle Database When installing Schema Registry, SAM, Druid, and Superset, you require a relationa...
Flink Apache Iceberg supports both Apache Flink ‘s DataStream API and Table API. See the Multi-Engine Support page for the integration of Apache Flink. Feature support Flink...
存储过程节点 任务参数 存储过程节点 根据选择的数据源,执行存储过程。 拖动工具栏中的PROCEDURE 任务节点到画板中,如下图所示: 前提:在该数据库里面创建存储过程,如: CREATE PROCEDURE dolphinscheduler . test ( in in1 INT , out out1 I...