Sequential access is a term describing a group of elements (such as data in a memory array or a disk file or on magnetic-tape data storage) being accessed...
4 KB (424 words) - 09:16, 7 February 2025
Records are accessed based on their sequential order, that is, the order in which they were written to the file; which means that accessing a particular...
19 KB (2,237 words) - 18:23, 4 August 2025
ISAM (redirect from Indexed Sequential Access Method)
Indexed Sequential Access Method (ISAM) is a method for creating, maintaining, and manipulating computer files of data so that records can be retrieved...
10 KB (1,284 words) - 13:03, 31 May 2025
native z/OS access method, or OSAM, an IMS-specific method optimizing I/O for IMS access patterns, particularly benefiting from sequential access (OSAM Sequential...
15 KB (1,719 words) - 21:26, 6 July 2025
computing, sequential access memory (SAM) is a class of data storage devices that read stored data in a sequence. This is in contrast to random access memory...
2 KB (184 words) - 22:57, 23 May 2024
be in the set. In computer science it is typically contrasted to sequential access which requires data to be retrieved in the order it was stored. For...
4 KB (540 words) - 11:42, 30 January 2025
requires a proportionally long time to access a distant point in a medium. Access methods for DASD include sequential, partitioned, indexed, and direct. The...
11 KB (1,210 words) - 08:03, 11 July 2025
access methods in approximate chronological order: BDAM - Basic direct access method BSAM - Basic sequential access method QSAM - Queued sequential access...
8 KB (874 words) - 14:17, 14 April 2024
B-tree (section Sequential access)
tree data structure that maintains sorted data and allows searches, sequential access, insertions, and deletions in logarithmic time. The B-tree generalizes...
53 KB (7,379 words) - 19:48, 19 July 2025
Informix Corporation (redirect from Random Sequential Access Method)
engine, initially known as INFORMIX-Turbo. Turbo used the new Random Sequential Access Method (RSAM), with great multi-user performance benefits over C-ISAM...
31 KB (3,758 words) - 07:55, 1 June 2025
but does not change the fundamental sequential access nature of tape.[citation needed] Tape has a long random access time since the deck must wind an average...
38 KB (4,617 words) - 16:51, 31 July 2025
moved. Sequential access The accessing of pieces of information will be in a serial order, one after the other; therefore the time to access a particular...
57 KB (6,541 words) - 15:59, 26 July 2025
during the run of a program Indexed color, in computer imagery Indexed Sequential Access Method (ISAM), used for indexing data for fast retrieval Lookup table...
6 KB (815 words) - 03:00, 2 July 2025
mainframe operating systems, Basic sequential access method (BSAM) is an access method to read and write datasets sequentially. BSAM is available on OS/360...
4 KB (418 words) - 01:23, 20 June 2025
mainframe operating systems, Queued Sequential Access Method (QSAM) is an access method to read and write datasets sequentially. QSAM is available on OS/360...
2 KB (247 words) - 22:44, 16 September 2023
designed for sequential access, the highest-performing algorithms assume data is stored in a data structure which allows random access. From the beginning...
71 KB (6,618 words) - 23:41, 27 July 2025
Linked list (section Random-access lists)
array data structures) allow constant-time random access, while linked lists allow only sequential access to elements. Singly linked lists, in fact, can...
55 KB (7,796 words) - 04:16, 29 July 2025
Non-volatile memory (redirect from Nonvolatile random access memory)
access, reading and writing data in specific memory locations; it can retrieve as little as a single byte. NAND flash reads and writes sequentially at...
18 KB (1,929 words) - 22:07, 24 May 2025
fundamental types of data access exist: sequential access (as in magnetic tape, for example) random access (as in indexed media) Data access crucially involves...
2 KB (276 words) - 04:54, 23 May 2023
In phylogenetics, a single-access key (also called dichotomous key, sequential key, analytical key, or pathway key) is an identification key where the...
11 KB (1,202 words) - 01:03, 4 November 2024
File system (redirect from Sequential file)
This permits multiple users (or processes) access to various data on the disk without regard to the sequential location of the data. Examples include FAT...
76 KB (9,841 words) - 04:05, 14 July 2025
operations on a sequential access device begin at the current tape position, not at a specific LBA. The block size on sequential access devices can either...
34 KB (3,820 words) - 05:53, 6 May 2025
the ISAM Drivers, DLLs that allow access to a variety of Indexed Sequential Access Method ISAM databases, among them xBase, Paradox, Btrieve and FoxPro...
30 KB (3,134 words) - 13:24, 6 December 2024
stability. A tape drive provides sequential access storage, unlike a hard disk drive, which provides direct access storage. A disk drive can move to...
21 KB (1,738 words) - 02:59, 31 July 2025
optimality. Scanning Theorem—Also known as the Sequential Access Theorem or the Queue theorem. Accessing the n elements of a splay tree in symmetric order...
32 KB (4,628 words) - 22:24, 6 February 2025
and static random-access memory (SRAM), which both maintain data only for as long as power is applied, or forms of sequential-access memory such as magnetic...
18 KB (2,392 words) - 15:40, 8 May 2025
refreshable memory, but as opposed to modern random-access memory, delay-line memory was sequential-access. Analog delay line technology had been used since...
20 KB (2,768 words) - 07:00, 27 May 2025
transaction can be typically written as a sum of initial access latency plus sequential access latency. Â t t o t a l = t i n i t i a l + t s e q u e n...
6 KB (896 words) - 19:00, 15 May 2024
compatible with indexed sequential access method (ISAM), Structured Query Language (SQL), and ActiveX Data Objects (ADO) data access methods, reads and writes...
7 KB (760 words) - 00:14, 13 July 2025
table. Sequential access methods for IBM's z/OS and z/VSE mainframe operating systems: Basic Sequential Access Method (BSAM), Basic Partitioned Access Method...
53 KB (4,980 words) - 18:14, 20 June 2025