Database Management
Reference Manual
Database Navigation and Query Syntax
: Pseudo Attributes Relating to Navigation
Pseudo Attributes Relating to Navigation
The following pseudo attributes relate to the database hierarchy. These can be queried directly or via a PML variable.
Attribute Name
Data Type
Qualifier
Description
ALLELE
DBREF
ElementType
All elements in the MDB of a particular type
CONNECTIONS
DBREF array
Connections
CONNECTIONSH
DBREF array
Connections for all descendants
CONNER
String
Int
Connection error message
DDEP
Int
Database depth within hierarchy (World is 0)
FRSTW
DBREF
String
Reference of first world of given DB type in current MDB
MAXD
Int
DB hierarchy depth of lowest level item beneath element
MBACK
DBREF array
*ElementType
Members in reverse order
MCOU
Int
*ElementType
Number of Element Members of Given type
MEMB
DBREF array
*ElementType
All members, or members of specific type
OWNLST
DBREF array
Owning hierarchy
PARENT
DBREF
*ElementType
Reference of ascendant element of specified type
SEQU
Int
Sequence Position in Member List
TYSEQU
Int
Type Sequence Number
‘*’- qualifier is optional
1974 to current year.
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