Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
Computer Desktop Encyclopedia
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A CDE Definition

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primary index

The index that controls the current processing order of a file. It maintains an index on the primary key. See secondary index.

secondary index

An index that is maintained for a data file, but not used to control the current processing order of the file. For example, a secondary index could be maintained for customer name, while the primary index is set up for customer account number. See primary index.

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Before/After Your Search Term
preventive maintenanceprimary key
previewprimary memory
preview dialerprimary partition
Preview DNSPrimary Rate
preview modeprimary storage
PRI/T1prime number
primary cacheprimitive
Primary Domain Controllerprimitive data type

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