Search results
Results from the WOW.Com Content Network
Oracle has its own spin where creating a user is synonymous with creating a schema. Thus a database administrator can create a user called PROJECT and then create a table PROJECT.TABLE. Users can exist without schema objects, but an object is always associated with an owner (though that owner may not have privileges to connect to the database).
A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure. Indexes are used to quickly locate data without having to search every row in a database table every time said table is accessed.
Most relational database designs resolve many-to-many relationships by creating an additional table that contains the PKs from both of the other entity tables – the relationship becomes an entity; the resolution table is then named appropriately and the two FKs are combined to form a PK. The migration of PKs to other tables is the second ...
Realm is an open source object database management system, initially for mobile operating systems (Android/iOS) [1] but also available for platforms such as Xamarin, [2] React Native, [3] and others, [4] [5] including desktop applications (Windows [6]). It is licensed under the Apache License.
In December, Teradata acquired RainStor, a company specializing in online data archiving on Hadoop. [42] Teradata acquired Appoxxee, a mobile marketing software as a service provider, for about $20 million in January 2015, [43] followed by the Netherlands-based digital marketing company FLXone in September. That same year Teradata acquired a ...
Aster Data Systems was a data management and analysis software company headquartered in San Carlos, California. It was founded in 2005 and acquired by Teradata in 2011. History
Airtable is an American cloud collaboration service company headquartered in San Francisco.It was founded in 2012 by Howie Liu, Andrew Ofstad, and Emmett Nicholas. Airtable is a spreadsheet-database hybrid, with the features of a database but applied to a spreadsheet.
Teradata Corporation in 1984 marketed the parallel processing DBC 1012 system. Teradata systems were the first to store and analyze 1 terabyte of data in 1992. Hard disk drives were 2.5 GB in 1991 so the definition of big data continuously evolves. Teradata installed the first petabyte class RDBMS based system in 2007.