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TIBCO iProcess® Engine 11.9.1

# user_memb

The `user_memb` table defines users’ membership of groups.

## Structure

The `user_memb` table has the following structure:

    TABLE user_memb (
    	node_id		INTEGER		NOT NULL,
    	user_id		INTEGER		NOT NULL,
    	group_id	INTEGER		NOT NULL)

Column | Description
`node_id` | ID of the node that this user/group combination is defined on, as defined in the nodes table.
`user_id` | ID of the user who belongs to the group, as defined in the user_names table.
`group_id` | ID of the group that the user belongs to, as defined in the user_names table.

## Primary Key

The following primary key is defined for this table.

Key Name | Column(s)
`pk_user_memb` | `user_id node_id group_id`

## Foreign Keys

None.

## Indexes

The following index is defined for this table.

Index Name | Column(s) Indexed
`idx_user_memb` | `user_id group_id`

## Table Activity

The `user_memb` table contains one row for every user/group member relationship defined on the system. For example, if a user is a member of three different groups, there are three rows for that user in this 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 Users data area has been modified. Note: The table is purged and rewritten using the values from the tsys_user_names table.
updated | never.
deleted | a Move System Information is performed, if the flag_table indicates that the Users data area has been modified. Note: The table is purged and rewritten using the values from the tsys_user_names table.

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TIBCO iProcess® Engine