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IBM i provides two mechanisms for accessing the integrated database - the so-called native interface, which is based on the database access model of the System/38, and SQL. [1] The native interface consists of the Data Description Specifications (DDS) language, which is used to define schemas and the OPNQRYF command or QQQQRY query API. [ 57 ]
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.
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]
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.
Informix [4] [5] [6] is a product family within IBM's Information Management division that is centered on several relational database management system (RDBMS) and multi-model database offerings. The Informix products were originally developed by Informix Corporation , whose Informix Software subsidiary was acquired by IBM in 2001.
Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. [1] The purpose of JCL is to say which programs to run, using which files or devices [2] for input or output, and at times to also indicate under what conditions to skip a step.
IBM Db2 Community Edition is a free-to-download, free-to-use edition of the IBM Db2 database, which has both XML database and relational database management system features. Version 11.5 provides all core capabilities of Db2 but is limited to 4 virtual processor cores, 16 GB of instance memory, has no enterprise-level support, and no fix packs ...
A database administrator (DBA) manages computer databases. [1] The role may include capacity planning , installation , configuration , database design , migration , performance monitoring, security , troubleshooting , as well as backup and data recovery .