The Unit Using the R/3 System is designed to show you how to access the system and give you some experience of working with R/3 transactions.

* The R/3 User Interface

* R/3 System Access

* Working Interactively

* The ABAP/4 Query

The R/3 System uses the Windows graphical interface. So the Windows Program manager has an SAP R/3 program group. Double clicking on the group displays the R/3 icon.

Active entry field is coloured yellow. Any typing will appear there.

A question mark in an entry field indicates that an entry must be made in order to complete the screen.

To carry out business management tasks, the R/3 System must handle data which is highly confidential. For example, the system will contain information about a company's products, finances, future strategy and the personal details of all employees.

Only authorised users have access to the system.

Each R/3 user is assigned access rights, which determine the data they may read, write or modify in the system. Your access rights depend on the type of work you're required to do.

The system keeps a log of all actions taken.

When starting the R/3 System, there's a log-on screen. You must enter your username and password to access the system.

The system administrator can expand authorisation profile.

A password must be between 3 and 8 characters long and all of the characters on the keyboard are allowed.

A password cannot start with an exclamation point, a question mark, or a blank space and the same three characters cannot be repeated three times in a row.

Your work with the R/3 System is a dialog between yourself and the system. In this dialog you will input data, display information and process tasks.

The R/3 System manages an extensive amount of data about a company, its products, its customers and the market place.

It is very important that you can extract particular information quickly and in a form that is appropriate for your needs.

R/3 provides 2 main methods for extracting and organising data. The first is the Report. This is a very flexible method through which you can tailor the output very closely to particular needs. However, you do have to be proficient in ABAP/4 programming language to produce reports.

The second is the ABAP/4 Query. This provides a more standardised output in the form of a list. It is les flexible than the report but it doesn't require any ABAP/4 programming skill. We are going to concentrate on an example of the ABAP/4 Query in this lesson.

You start an ABAP/4 Query by first clicking on the System item on the menu bar. The Query is found on the Services sub-menu.

The Initial Screen of the Query is displayed. This provides a list of standard queries from which you can choose. You can't modify these queries in anyway. However, having standard queries does mean that you can obtain your required data very quickly.

If query already in display, click on Execute, and select the query to execute.

Although you can't modify the query itself, you can limit the amount of data through which it has to search for the pieces of information you require. The Stock Analysis 2 screen enables you to narrow the search down and so reduce the amount of time that the query will take.

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