Download drivers for each of your databases. Then add the driver to Cirro then your databases.
Database Download Notes
Amazon Redshift Download redshift JDBC driver  
Aurora MySQL   See MySQL
Aurora Postgres   See Postgres
BigSQL Download BigSQL/DB2 drivers  
Cassandra Download Cassandra driver
Download Apache Cassandra driver
Derby Download Derby drivers  
EDB Postgres Download EDB Postgres driver Cirro comes with a Postgres driver installed by default.
Gemfire (AKA Pivotal Gemfire) Download Pivotal Gemfire driver  
Hadoop Contact Cirro for help with Enterprise Installations  
Hawq Download Hawq driver  
Hive Cloudera Download Hive Driver 2.5.19 from Cloudera  
Hive Hortonworks Download Hortonworks Hive driver  
Greenplum ODBC Download GreenPlum ODBC  
IBM DB2 LUW Download from DB2 Drivers  
Impala JDBC Download Impala JDBC driver  
InfiniDB   See MySQL
Mysql8 Download MySQL driver  
Netezza Netezza Software and Client Applications AKA IBM PureData. You’ll need an IBM login to access their downloads page
Oracle Download Oracle JDBC driver Requires Oracle account.
Postgres Download Postgres driver Cirro comes with a Postgres driver installed by default.
Redshift   See Amazon Redshift
SQL Server Download sql server JDBC driver
Download JTDS SQL Server JDBC driver
Sybase ASE / SAP ASE View SAP ASE drivers
Older Sybase ASE drivers (v 0.1 to 1.3.1)
SAP requires authorization to download drivers.
Sybase IQ Download sybase iq JDBC driver  
Teradata Download Teradata JDBC driver You’ll need to a Teradata account to download drivers.
Vertica Download vertica JDBC driver You’ll need a vertica account to download drivers.

Next Steps