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Characteristics of Access Paths

The following table shows characteristics of CA 2E access paths:

Access Path Type

Real Fields

Key Fields

Virtual Fields

Virtual Keys

PHY (Physical)

Yes

No

No

No

UPD (Update)

Yes

Relation

No

No

RTV (Retrieval)

Yes

Relation

Yes

No

RSQ (Resequence)

Yes

User

Yes

No

QRY (Query)

Yes

User

Yes

Yes

SPN (Span)

Yes

User

Yes

No