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The Sort/Merge utility is a mainframe program to sort records in a file into a specified order, merge pre-sorted files into a sorted file, or copy selected records. Internally, these utilities use one or more of the standard sorting algorithms , often with proprietary fine-tuned code.
The operation of SORT is directed by control statements, which are largely compatible among various IBM and third-party sort programs. The SORT or MERGE statement defines the sort keys— the fields on which the data is to be sorted or merged. This statement identifies the position, length, and data type of each key.
Innovative Routines International (IRI), Inc. is an American software company first known for bringing mainframe sort merge functionality into open systems. [1] IRI was the first vendor to develop a commercial replacement for the Unix sort command, and combine data transformation and reporting in Unix batch processing environments. [2]
external sorting algorithm. External sorting is a class of sorting algorithms that can handle massive amounts of data.External sorting is required when the data being sorted do not fit into the main memory of a computing device (usually RAM) and instead they must reside in the slower external memory, usually a disk drive.
Mainframe sort merge; Support programs for OS/360 and successors; Michigan Terminal System; MTS system architecture; MUSIC/SP; MVS; O. Object access method ...
Sort may refer to: Sorting, any process of arranging items in sequence or in sets Sorting algorithm, any algorithm for ordering a list of elements; Mainframe sort merge, sort utility for IBM mainframe systems; Sort (Unix), which sorts the lines of a file; Sort (C++), a function in the C++ Standard Template Library; SORT
By Andy Sullivan. WASHINGTON - Large swaths of the U.S. government could temporarily close at midnight on Friday if Congress does not approve a stopgap spending bill due to pressure from Donald Trump.
The sort-merge join (also known as merge join) is a join algorithm and is used in the implementation of a relational database management system. The basic problem of a join algorithm is to find, for each distinct value of the join attribute, the set of tuples in each relation which display that value. The key idea of the sort-merge algorithm is ...