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A hierarchical database model is a data model in which the data are organized into a tree -like structure. The data are stored as records which are connected to one another through links. A record is a collection of fields, with each field containing only one value. The type of a record defines which fields the record contains.
Wide-column store. A wide-column store (or extensible record store) is a column-oriented DBMS and therefore a special type of NoSQL database. [ 1] It uses tables, rows, and columns, but unlike a relational database, the names and format of the columns can vary from row to row in the same table. A wide-column store can be interpreted as a two ...
SingleStore (formerly MemSQL) is a proprietary, cloud-native database designed for data-intensive applications. [ 2] A distributed, relational, SQL database management system [ 3] (RDBMS) that features ANSI SQL support, it is known for speed in data ingest, transaction processing, and query processing. [ 4][ 2] SingleStore primarily stores ...
Salesforce. [ 1] Salesforce, Inc. is an American cloud -based software company headquartered in San Francisco, California. It provides customer relationship management (CRM) software and applications focused on sales, customer service, marketing automation, e-commerce, analytics, and application development. Founded by former Oracle executive ...
Database tables and indexes may be stored on disk in one of a number of forms, including ordered/unordered flat files, ISAM, heap files, hash buckets, or B+ trees. Each form has its own particular advantages and disadvantages. The most commonly used forms are B-trees and ISAM. Such forms or structures are one aspect of the overall schema used ...
The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases . It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".
Confluence is a web-based corporate wiki developed by Australian software company Atlassian. [ 4] Atlassian wrote Confluence in the Java programming language and first published it in 2004. Confluence Standalone comes with a built-in Tomcat web server and hsql database, and also supports other databases. [ 5]
An SQL select statement and its result. In computing, a database is an organized collection of data or a type of data store based on the use of a database management system ( DBMS ), the software that interacts with end users, applications, and the database itself to capture and analyze the data. The DBMS additionally encompasses the core ...