Search results
Results From The WOW.Com Content Network
Adabas, a contraction of "adaptable database system", [1] is a database package that was developed by Software AG to run on IBM mainframes. It was launched in 1971 as a non-relational [2] database. As of 2019, Adabas is marketed [3] for use on a wider range of platforms, including Linux, Unix, and Windows. [4]
Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle , IBM Db2 and Microsoft SQL Server need ongoing management.
Empress Embedded Database: Proprietary EnterpriseDB: Proprietary eXtremeDB: Proprietary Exasol: Proprietary Extensible Storage Engine: Proprietary FileMaker Pro: Proprietary Firebird: MPL/GPL/LGPL FoundationDB: Apache License 2.0 FrontBase: Proprietary Greenplum: Apache License 2.0 H2: MPL/GPL/LGPL Helix: Proprietary HSQLDB: BSD IBM Db2 ...
The IBM Information Management System (IMS) is a joint hierarchical database and information management system that supports transaction processing. [1] Development began in 1966 to keep track of the bill of materials for the Saturn V rocket of the Apollo program, and the first version on the IBM System/360 Model 65 was completed in 1967 as ICS/DL/I and officially installed in August 1968.
Yes - user manager with support for database and schema permissions as well as for individual object (table, view, functions) permissions; Some - simple user manager with support for database and schema permissions; No - no user manager, or read-only user manager
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
In any full-function IMS database, the smallest element that can be retrieved is a segment. Each segment is made up of fields , one of which, typically, will be a key field. The segments are arranged hierarchically in the database, the highest-level segment type being a root segment. 255 different segment types, on up to 15 levels, are allowed ...
Model 204 is commonly used in government and military applications. [8] [9] [10]It was used commercially in the UK by Marks & Spencer. [citation needed] It was also used at the Ventura County Property Tax system in California, [11] the Harris County, Texas, Justice Information Management System, [12] and in the New York City Department of Education's Automate The Schools system.