How Can I Import Data to GaussDB(DWS)?
GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see Importing Data.
- Importing data from the OBS
Upload data to OBS and then export it to GaussDB(DWS) clusters. Data formats such as CSV and TEXT are supported.
- Inserting data with INSERT statements
Use the gsql client tool provided by GaussDB(DWS) or the JDBC/ODBC driver to write data to GaussDB(DWS) from upper-layer applications. GaussDB(DWS) supports complete database transaction-level CRUD operations. This is the simplest method and is applicable to scenarios with small data volume and low concurrency.
- Importing data from MRS with MRS as the ETL.
- Importing data with the COPY FROM STDIN command
Run the COPY FROM STDIN command to write data to a table.
- Importing data from a remote server to GaussDB(DWS) using GDS
Use the GDS data import function provided by GaussDB(DWS) to import data files from a common file system (for example, an ECS).
- Migrating data to GaussDB(DWS) using CDM
Data Import and Export FAQs
- What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables?
- How Do I Import Incremental Data Using an OBS Foreign Table?
- How Can I Import Data to GaussDB(DWS)?
- How Much Service Data Can a Data Warehouse Store?
- How Do I Use \Copy to Import and Export Data?
- How Do I Implement Fault Tolerance Import Between Different Encoding Libraries
- Can I Import and Export Data to and from OBS Across Regions?
- How Do I Import GaussDB(DWS)/Oracle/MySQL/SQL Server Data to GaussDB(DWS) (Whole Database Migration)?
- Can I Import Data over the Public/External Network Using GDS?
- Which Are the Factors That Affect GaussDB(DWS) Import Performance?
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