sequential file


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sequential file

A file that contains records or other elements that are stored in a chronological order based on account number or some other identifying data. In order to locate the desired data, sequential files must be read starting at the beginning of the file. A sequential file may be stored on a sequential access device such as magnetic tape or on a direct access device such as magnetic disk. Contrast with random file.
References in periodicals archive ?
You can use a list processor, which is a simple-minded database manager that works with sequential files.
A test program was written in COBOL to write a sequential file with 80 byte records and the read it back sequentially.
The largest indexed sequential file test took six and a half hours on the PC.
The MediaVault 4210 and Bluefish444 combination offers unprecedented performance and affordable scalable storage to address a wide variety of film and broadcast video applications, up to full bandwidth 1080i 4:4:4 10 bit RGB Sequential file recording and playback.
1) Based on HD Bench software testing and average sustained data rates for large sequential file transfers.
You can also code batch JCL to be more efficient in how it handles GDG bases or sequential files.
It provides a means by which files can be copied from the live system, as long as the relevant transaction details are copied to secure sequential files that can then be reviewed during tax audits.
The latest version has been expanded with Move for Legacy, a new product that integrates data from VSAM and sequential files with DB2 sources into a single, consistent test environment to provide improved, thorough application testing.
You're required to keep a permanent record of every policy ever written and every loss ever paid, so we have enormous sequential files with all these data.
Sequential files originated with decks of data punch cards that were sequentially processed by the computer.
The application is comprised primarily of batch programs, written in COBOL and CA Easytrieve Plus, and Sequential files.
In addition, DPX and TIFF sequential files used in the process of filmmaking can be encoded as well.

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