Apache Sqoop(TM) is a tool designed for efficiently transferring bulk data between Apache Hadoop and structured datastores such as relational databases.
An explanation of Eric Brewer's CAP theorem, which says you cannot have more than two of Consistency, Availability and Partition-tolerance in web-based distributed systems.
Every application uses data, and Android applications are no exception. Android uses the open-source, stand-alone SQL database, SQLite. Learn how to create and manipulate a SQLite database for your Android app.