From OBS
From HDFS
From HBase/CloudTable
From Hive
From DLI
From FTP/SFTP
From HTTP
From PostgreSQL/SQL Server
From DWS
From SAP HANA
From MySQL
From Oracle
From a Database Shard
From MongoDB/DDS
From Redis
From Kafka/DMS Kafka
From Elasticsearch or CSS
From OpenTSDB
From MRS Hudi
From MRS ClickHouse
From a ShenTong Database
From Doris