BC430%20-%20ABAP%20Dictionary

BC430%20-%20ABAP%20Dictionary - BC430 - ABAP Dictionary...

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BC430 - ABAP Dictionary BC430 Release 46C 29.12.2004
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SAP AG 1999 Unit 5 Dependencies of ABAP Dictionary Objects Unit 6 Changes to Tables Unit 7 Views Unit 8 Search Helps Unit 1 Introduction Unit 2 Tables in the ABAP Dictionary Unit 3 Performance in Table Accesses Unit 4 Consistency through Input Checks Preface Exercises Solutions Appendixes Course Content
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(C) SAP AG BC430 1-1 SAP AG 1999 z Function of the ABAP Dictionary in the R/3 System z Definition of database objects z User-defined types z Services in the ABAP Dictionary z Linking to the development and runtime environments Introduction
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(C) SAP AG BC430 1-2 SAP AG 1999 Course Objectives At the end of this unit you will know: z The function of the ABAP Dictionary in the R/3 System z The ways to define data objects and types z The services provided by the ABAP Dictionary z How the ABAP Dictionary is linked to the development and runtime environments
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(C) SAP AG BC430 1-3 SAP AG 1999 Function of the ABAP Dictionary DB table Services Screen Poss. values Type definitions Structure Table type Data elements F4 DB objects Table ± The ABAP Dictionary permits a central management of all the data definitions used in the R/3 System. ± In the ABAP Dictionary you can create user-defined types (data elements, structures and table types) for use in ABAP programs or in interfaces of function modules. Database objects such as tables and database views can also be defined in the ABAP Dictionary and created with this definition in the database. ± The ABAP Dictionary also provides a number of services that support program development. For example, setting and releasing locks, defining an input help (F4 help) and attaching a field help (F1 help) to a screen field are supported.
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(C) SAP AG BC430 1-4 SAP AG 1999 Database Database Objects in the ABAP Dictionary Table 1 ABAP Dictionary Table 2 View Objects are automatically created in the DB and adjusted to changes ± Tables and database views can be defined in the ABAP Dictionary. ± These objects are created in the underlying database with this definition. Changes in the definition of a table or database view are also automatically made in the database. ± Indexes can be defined in the ABAP Dictionary to speed up access to data in a table. These indexes are also created in the database.
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(C) SAP AG BC430 1-5 SAP AG 1999 Type Definitions in the ABAP Dictionary ZIP Town name Street House no. Numbers Employee Name Address Telephone First name Last name Town Address ± There are three different type categories in the ABAP Dictionary: y Data elements: Describe an elementary type by defining the data type, length and possibly decimal places. y Structures: Consist of components that can have any type. y Table types: Describe the structure of an internal table.
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This note was uploaded on 10/21/2010 for the course IT 516 taught by Professor Cole during the Spring '10 term at California University of Pennsylvania.

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BC430%20-%20ABAP%20Dictionary - BC430 - ABAP Dictionary...

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