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TIBCO iProcess® Engine 11.10.0

# checksums

The `checksums` table is used internally by the iProcess Engine to provide security checks on the active_logins and port_range tables.

## Structure

The `checksums` table has the following structure:

    TABLE checksums (
    area_id number(5)NOT NULL,area_namevarchar2(20)NOT NULL,check_sumvarchar2(54)NOT NULL)

Column | Description
`area_id` | Unique ID of the area using this checksum
`area_name` | Name of the area using this checksum. Currently this is always `PORT RANGING`.
`check_sum` | Encrypted checksum for the indicated area.

## Primary Key

The following primary key is defined for this table.

Key Name | Column(s) | Index Tablespace
`pk_checksums` | `area_id` | TINYINDEXSPACE

## Foreign Keys

None.

## Indexes

None.

## Storage

The following `STORAGE` values are defined for this table.

Value | Definition
Initial | TINYTABLESIZE
Percentage Increase | TINYTABLEPCTINCREASE
Tablespace | TINYTABLESPACE

## Table Activity

The `checksums` table contains one row for each checksum used internally by the iProcess Engine.

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

A row is... | When...
added | the iProcess Engine is started.
updated | a login is performed.
deleted | never.

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TIBCO iProcess® Engine