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The user can find many types of content in the captive portal, and it's frequent to allow access to the Internet in exchange for viewing content or performing a certain action (often, providing personal data to enable commercial contact); thus, the marketing use of the captive portal is a tool for lead generation (business contacts or potential ...
Database name Language implemented in Notes Apache Doris Java & C++ Open source (since 2017), database for high-concurrency point queries and high-throughput analysis. Apache Druid: Java Started in 2011 for low-latency massive ingestion and queries. Support and extensions available from Imply Data. Apache Kudu: C++
ScyllaDB was released as open source in September 2015, [7] under the AGPL license. Employees of ScyllaDB Inc. remain the primary coders behind Scylla, but its development is open to the public and uses public GitHub repositories and public mailing lists.
Voldemort does not try to satisfy arbitrary relations and the ACID properties, but rather is a big, distributed, persistent hash table. [2] A 2012 study comparing systems for storing application performance management data reported that Voldemort, Apache Cassandra, and HBase all offered linear scalability in most cases, with Voldemort having the lowest latency and Cassandra having the highest ...
Pivotal open sourced the core engine and continued its development by the Greenplum Database open source community and Pivotal. Starting in 2020 Pivotal was acquired by VMware [ 2 ] and VMware continued to sponsor the Greenplum Database open source community as well as commercialize the technology under the brand name VMware Tanzu Greenplum .
The WiFiDog authentication server is a PHP and PostgreSQL or MySQL server based solution written to authenticate clients in a captive portal environment. WiFiDog Auth provides portal specific content management, allows users to create wireless internet access accounts using email access, provides gateway uptime statistics and connection specific and user log statistics.
FoundationDB is a free and open-source multi-model distributed NoSQL database developed by Apple Inc. with a shared-nothing architecture. [3] The product was designed around a "core" database, with additional features supplied in "layers." [4] The core database exposes an ordered key–value store with transactions. [5]
List of SPARQL implementations available for querying and manipulating RDF data.