Sqoop is a tool to transfer the data between RDBMS to Hadoop and vise-versa. Sqoop internally generates MapReduce code to tranfer the data.
There are range of connectors to connect Sqoop with traditional RDMS such as:
- Teredata
 
- MySql
 
- Oracle
 
- Green plum
 
So any relational database which imports jdbs odbs connection, we can use Sqoop with RDBMS.