dbs_fields

The dbs_fields table holds the field definitions for every field in every installed iProcess table.

Structure

The dbs_fields table has the following structure:

TABLE dbs_fields (
	node_id		number(5)			NOT NULL,
	dbs_id		number(5)			NOT NULL,
	field_id	number(5)			NOT NULL,
	field_name	varchar2(15)		NOT NULL,
	field_type	varchar2(1)		NOT NULL,
	field_length	number(5)			NOT NULL,
	field_decimals	number(5)			NOT NULL)

Column	Description
node_id	ID of the node that this field is defined on, as defined in the nodes table.
dbs_id	ID of the table that this field is defined in, as defined in the dbs_names table.
field_id	Unique ID for the field in this TIBCO iProcess® Engine table.
field_name	Name of this field.
field_type	Field type: Either ASCII (A), Numeric (R), Date (D) or Time (T).
field_length	Length of this field, in characters.
field_decimals	Number of characters after the decimal place in this field (relevant only for Numeric fields).

Primary Key

The following primary key is defined for this table.

Key Name	Column(s)	Index Tablespace
pk_dbs_fields	dbs_id field_id node_id	MEDIUMINDEXSPACE

Foreign Keys

The following foreign key is defined for this table.

Key Name	Column(s)	Referenced in Table...
fk_dbs_fields1 This key enforces the DELETE CASCADE referential action.	node_id dbs_id	dbs_names

Indexes

The following indexes are defined for this table.

Index Name	Column(s) Indexed	Tablespace
idx_dbs_fields_fk	dbs_id node_id	MEDIUMINDEXSPACE
idx_dbs_fields	field_id dbs_id	MEDIUMINDEXSPACE

Storage

The following STORAGE values are defined for this table.

Value	Definition
Initial	MEDIUMTABLESIZE
Percentage Increase	MEDIUMTABLEPCTINCREASE
Tablespace	MEDIUMTABLESPACE

Table Activity

The dbs_fields table contains one row for each field in each installed TIBCO iProcess table.

Rows are added, updated and deleted in the following situations.

A row is...	When...
added	a Move System Information is performed, if the flag_table indicates that the Tables data area has been modified. Note: The table is purged and rewritten using the values from the tsys_dbs_fields table.
updated	never.
deleted	a Move System Information is performed, if the flag_table indicates that the Tables data area has been modified. Note: The table is purged and rewritten using the values from the tsys_dbs_fields table.