MUMPS Massachusetts General Hospital Utility MultiProgramming System, or M, is a generalpurpose computer programming language that provides ACID Atomic. XOM Exxon Mobil Corp GE General Electric Com. MSFT Microsoft Corporatio. C Citigroup, Inc. BAC Bank Of America Corp. BP Bp Plc HBC HSBC Hldgs Plc PG. InformationWeek. com News, analysis and research for business technology professionals, plus peertopeer knowledge sharing. Engage with our community. HIStalk Announcements and Requests. Poll respondents are not really sure who will benefit most from Allscripts acquiring Mckessons EIS business, but the customers. Get the clinical answers you need anytime, anywhere. UpToDate provides you with the answers you need, quickly and easily. Start my riskfree subscription. Job Interview Practice Test Why Do You Want This Job Answer this job interview question to determine if you are prepared for a successful job interview. 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MUMPS Massachusetts General Hospital Utility Multi Programming System, or M, is a general purpose computer programming language that provides ACID Atomic, Consistent, Isolated, and Durable transaction processing. Its differentiating feature is its built in database, enabling high level access to disk storage using simple symbolic program variables and subscripted arrays, similar to the variables used by most languages to access main memory. The M database is a key value database engine optimized for high throughput transaction processing. As such it is in the class of schema less, schema free, or No. SQL databases. Internally, M stores data in multidimensional hierarchical sparse arrays also known as key value nodes, sub trees, or associative memory. Each array may have up to 3. A scalar can be thought of as an array element with zero subscripts. Nodes with varying numbers of subscripts including one node with no subscripts can freely co exist in the same array. Perhaps the most unusual aspect of the M language is the notion that the database is accessed through variables, rather than queries or retrievals. This means that accessing volatile memory and non volatile storage use the same basic syntax, enabling a function to work on either local volatile or global non volatile variables. Practically, this provides for extremely high performance data access. Originally designed in 1. M continues to be used today by many large hospitals and banks to provide high throughput transaction data processing. HistoryeditGenesiseditMUMPS was developed by Neil Pappalardo, Robert Greenes, and Curt Marble in Dr. Octo Barnetts animal lab at the Massachusetts General Hospital MGH in Boston during 1. The original MUMPS system was, like Unix a few years later, built on a spare DECPDP 7. Octo Barnett and Neil Pappalardo were also involved with MGHs planning for a Hospital Information System, obtained a backward compatible. PDP 9, and began using MUMPS in the admissions cycle and laboratory test reporting. MUMPS was then an interpreted language, yet even then, incorporated a hierarchical database file system to standardize interaction with the data. Some aspects of MUMPS can be traced from Rand Corporations JOSS through BBNs TELCOMP and STRINGCOMP. The MUMPS team deliberately chose to include portability between machines as a design goal. Another feature, not widely supported for machines of the era, in operating systems or in computer hardware, was multitasking, which was also built into the language itself. The portability was soon useful, as MUMPS was shortly adapted to a DEC PDP 1. MUMPS was developed with the support of a government research grant, and so MUMPS was released to the public domain no longer a requirement for grants, and was soon ported to a number of other systems including the popular DEC PDP 8, the Data General Nova and the DEC PDP 1. Artronix. PC1. 2 minicomputer. Word about MUMPS spread mostly through the medical community, and by the early 1. By the early 1. 97. MUMPS on a range of hardware platforms. The most widespread was DECs MUMPS 1. PDP 1. 1, and MEDITECHs MIIS. In 1. 97. 2, many MUMPS users attended a conference which standardized the then fractured language, and created the MUMPS Users Group and MUMPS Development Committee MDC to do so. These efforts proved successful a standard was complete by 1. September 1. 5, 1. ANSI standard, X1. At about the same time DEC launched DSM 1. Digital Standard MUMPS for the PDP 1. This quickly dominated the market, and became the reference implementation of the time. Also, Inter. Systems sold ISM 1. PDP 1. 1 which was identical to DSM 1. During the early 1. MUMPS based platforms that met the ANSI standard to market. The most significant were Digital Equipment Corporation with DSM Digital Standard MUMPS. DSM 1. 1 was superseded by VAXDSM for the VAXVMS platform, and that was ported to the Alpha in two variants DSM for Open. VMS, and as DSM for Ultrix. Inter. Systems with ISM Inter. Systems M on VMS MVX, M1. PDP 1. 1 platform, MPC on MS DOS, MDG on Data General, MVM on IBM VMCMS, and MUX on various Unixes. Other companies developed important MUMPS implementations Greystone Technology Corporation with a compiled version called GT. M. Data. Tree Inc. Intel PC based product called DTM. Micronetics Design Corporation with a product line called MSM for UNIX and Intel PC platforms later ported to IBMs VM operating system, VAX VMS platforms and Alpha VMS platforms. Computer Consultants later renamed MGlobal, a Houston based company originally created CCSM on 6. Mac. MUMPS, a Mac OS based product. They also worked on the MGM MUMPS implementation. MGlobal also ported their implementation to the DOS platform. MGlobal MUMPS was the first commercial MUMPS for the IBM PC and the only implementation for the classic Mac OS. Tandem Computers developed an implementation for their fault tolerant computers. This period also saw considerable MDC activity. The second revision of the ANSI standard for MUMPS X1. November 1. 5, 1. Liberty Basic 4 Companion here. On November 1. 1, 1. ANSI standard X1. In 1. 99. 2 the same standard was also adopted as ISO standard 1. Use of M as an alternative name for the language was approved around the same time. On December 8, 1. X1. 1. 1 1. 99. 5 was approved by ANSI, and by ISO in 1. ISO 1. 17. 56 1. The MDC finalized a further revision to the standard in 1. ANSI for approval. Inter. Systems Open M for WindowsNT was released, as well as Open M for AlphaOSF and AlphaVMS their first 6. Alpha processor. In 1. Unicode support was added in Inter. Systems Cach 3. By 2. Inter. Systems had become the dominant player in the MUMPS market with the purchase of several other vendors. Initially they acquired Data. Tree Inc. in the early 1. And, on December 3. Yamicsoft Windows 8 Manager V2 0 0 New Key. Inter. Systems acquired the DSM product line from DEC. Inter. Systems consolidated these products into a single product line, branding them, on several hardware platforms, as Open. M. In 1. 99. 7, Inter. Systems launched a new product named Cach. This was based on their ISM product, but with influences from the other implementations. Micronetics Design Corporation assets were also acquired by Inter. Systems on June 2. Inter. Systems remains the dominant MUMPS vendor, selling Cach to MUMPS developers who write applications for a variety of operating systems. Greystone Technology Corporations GT. M implementation was sold to Sanchez Computer Associates now part of FIS in the mid 1. On November 7, 2. Sanchez made GT. M for Linux available under the GPL license4 and on October 2. GT. M for Open. VMS and Tru. UNIX were also made available under the AGPL license. GT. M continues to be available on other UNIX platforms under a traditional license. During 2. 00. 0, Ray Newman and others released MUMPS V1, an implementation of MUMPS initially on Free. BSD similar to DSM 1. MUMPS V1 has since been ported to Linux, Mac OS X and Windows using cygwin. Initially only for the x. CPU, MUMPS V1 has now been ported to the Raspberry Pi. The newest implementation of MUMPS, released in April 2. MSM derivative called M2. Real Software Company of Rugby, UK. There are also several open source implementations of MUMPS, including some research projects. The most notable of these is MumpsII, by Dr. Kevin OKane Professor Emeritus, University of Northern Iowa and students project.