Database

Oracle:
How to run sql file in oracle

SQL Server:
SQL Server password reset

Postgresql:
Postgresql remote access

Mysql:
mysql default password on ubuntu

Hive:
Hive error: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient

Cassandra:

database install and connection

cassandra datastax