primary index


Also found in: Acronyms.

primary index

[′prī‚mer·ē ′in‚deks]
(computer science)
An index that holds the values of primary keys, in sequence.

primary index

The index that controls the current processing order of a file. It maintains an index on the primary key. See secondary index.
References in periodicals archive ?
In general, mean differences by sex were not found in FSIQ and primary index scores, only the PSI mean was significantly higher for females than for males with a small effect size.
The mean annual Human Activity Index for study dens ranged from 0.46 to 1.70 for the primary index, from 1.25 to 10.02 for the secondary index, and from 6.67 to 24.97 for the maximum disturbance index.
* Basing retrieval capabilities on primary index values such as unique message ID, date, from, to, subject line, and combinations.
A keyword search in EconLit, a primary index to the economic literature, retrieved over 1,700 records, indicating the magnitude of this body of research and the influence of this research orientation on economists.
GLIS is the primary index to the collection and is relatively easy to use considering the vast scope of the material.
The set of leading, coincident, and lagging indexes uses the coincident index as the primary index, so the [F.sub.kappa] values for the leading (lead), coincident (coin), and lagging (lag) indexes are
Q6 sorts the PART table on ascending values of the key Part#, and query Q7 uses the same key attribute, Part#, to create a primary index for the PART table.
The difference from average is known as the anomaly, and we use the average anomaly in the NiEyo3.4 region as our primary index for El NiEyo.
* Data Division - produces all FD's for the input/output files declared in the Environment Division including type of file, record length and any primary index on VSAM or indexed files
As the author made in-class library presentations during the Winter Term of 2002 in mental health and research methods classes, a show of hands revealed that few first-year students had used Social Work Abstracts, the primary index for the discipline.
The difference from average is known as the anomaly, and we use the average anomaly in the NiEo3.4 region as our primary index for El NiEo.
As you know, PubMed is the primary index where medical journals are screened and which is referred to by most of us when searching for an article.

Full browser ?