(Indexed Sequential Access Method) A common disk access method that stores data sequentially, while maintaining an index of key fields to all the records in the file for direct access. The sequential order would be the one most commonly used for batch processing and printing (account number, name, etc.).
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Get Out!
- Get Out!How about ....TUI versus GUI .. what do business's REALLY want for a accounting system.And .. DOES GUI in a business application really speed production?OR ISAM versus SQL, which is better for a company.or .. Do Business's REALLY use ISAM then post to SQL ?NamesYou don't want Fat Alpha...
- Discussion threads 2008-06-02
- Is Relational Relevant?
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- Discussion threads 2007-06-21
- Multiplying "Hello World"
- Multiplying "Hello World"Guilty![i]...the programming language you think in shapes the algorithm choice and therefore affects both how you think about a problem and how you solve it - that’s why COBOL programmers working in Perl usually just write COBOL using Perl notation.[/i]This is very true. When I first started...
- Discussion threads 2007-06-05
- Technology adoption and force majeur
- Technology adoption and force majeurStrangeEvery big project I know of is using Sun/Solaris or HP/UX. From the business perspective the important change of the last twenty years has been the change from ISAM and hierarchical DBMSs to SQL-DBMSs. What operating system the SQL-DBMS runs on isn't of enormous significance, most...
- Discussion threads 2007-05-03
- A formula for staffing SOA projects
- Back in November, Dave Linthicum provided a sorely needed formula for measuring the cost of an SOA project. Now, he has worked up some numbers, based on client experiences, on how much staffing should be dedicated to the SOA effort. Dave offers the following guidelines for staffing a typical project,...
- Blog posts 2007-02-01
- What will happen in IT in 2007?
- What will happen in IT in 2007?With all predictionsIt is important to draw the line between what one might want to happen and what one believes will happen.I think it is often the case that if you talk about what you believe will happen people often assume that this is...
- Discussion threads 2006-12-28
- At last, a formula for estimating SOA costs
- Is your SOA turning into $OA? The biggest risk is pouring lots of budget into SOA without knowing if you are spending more than the industry average. The BEA survey reported in yesterdays post found that more than half of large enterprises ($1 billion or more in revenues) have already...
- Blog posts 2006-11-28
- Ballmer on PC's role in Web services world
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- Discussion threads 2006-10-10
- Market is expressly ready for a real, high-end OSS relational database
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- Discussion threads 2006-08-22
- Using disaster avoidance to drive change
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- Discussion threads 2006-08-17
- Using SOX to devalue computing
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- Discussion threads 2006-04-27
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- Discussion threads 2005-11-28
- Open source database wars begin
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- Discussion threads 2005-11-07
- PSTN Modernization in a Broadband Access Network
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- White papers 2005-09-01
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- Discussion threads 2005-08-05
- ISAM Family Application Note on IP Aware Bridging
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- White papers 2005-08-01
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- Software downloads 2005-06-27
- Rethinking the relational database
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- Discussion threads 2005-05-23
- Search companies vie for the desktop
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- Discussion threads 2004-12-12
- Yahoo to test desktop search
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- Discussion threads 2004-12-09
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