Interstage Shunsaku Data Manager Application Development Guide - Microsoft(R) Windows(R) 2000/ Microsoft(R) Windows Server(TM) 2003 - - UNIX -

6.7.2 Using Direct Deletion or Direct Update

This section explains the data deletion process and data update process using direct deletion or direct update.

Specify the direct access key and the data being deleted or updated, then issue the direct deletion API or direct update API.

Use the direct deletion or direct update when the two conditions below are satisfied.

• The contents of the data being deleted or updated are known.
• The application is executed individually (No concurrent execution on application)

Process Flow

The following figure shows the flow of the direct deletion or the direct update.

[Figure 6-18 The flow of the direct deletion or the direct update]

An Effect of the Data Manipulation

The following figure shows an effect of the data manipulation using direct deletion or direct update comparing to the data manipulation by record ID.

[Figure 6-19 An effect of the data manipulation using direct deletion or direct update]

With the direct deletion or direct update, the search process by record ID is not necessary. Therefore, the process can be done faster.