There are two ways of exporting data from a TDengine cluster:
- Using a SQL statement in TDengine CLI
- Using the
Export Using SQL
If you want to export the data of a table or a STable, please execute the SQL statement below, in the TDengine CLI.
select * from <tb_name> >> data.csv;
The data of table or STable specified by
tb_name will be exported into a file named
data.csv in CSV format.
Export Using taosdump
taosdump, you can choose to export the data of all databases, a database, a table or a STable, you can also choose to export the data within a time range, or even only export the schema definition of a table. For the details of using
taosdump please refer to the taosdump documentation.