Database table indexes Table indexes are required for speed selection of data records from a database table. Type of indexes in SAP ABAP database table There are three types of indexes: Primary index, Secondary index and Extension index. Every database table has a primary index. The primary index is created automatically by the system when […]
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ABAP Table Maintenace Generator is a tool which generates program for table maintenance. This program is useful in maintaining entries of custom table, i.e. create, edit or delete entries of custom table. Note – to create table maintenance program for a custom table, ensure in Delivery and Maintenance tab, Data Browser/Table View Maintenance is selected
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Steps to create transparent tables in ABAP Dictionary For fields empid, firstname, lastname, gender, department, create custom data elements and domain. For fields salary, currency and country, we have used standard data elements. Define fields mandt and empid as key fields by selecting the checkbox in Key column. Also, select check box for Initial Values
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Table type is a special type that can be used to define internal tables in ABAP programs. You use a table type to describe the structure and functional attributes of an internal table in ABAP. With table type we can define parameters to pass tabular data in functional modules and methods. A table type is
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In this article we will discuss what happens when a class inherits a class with constructor. The constructor is a special method, and it is not inherited to the subclass like normal methods. Thus, the inheritor class can define its own constructor that is fully independent from the definition of the constructor in its superclass.
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For scenarios where subclass has to change the implementation of the inherited instance method to have its own implementation, we can use method redefinition. Method redefinition supports only re-implementation of inherited method, signature of the method cannot be changed. Also, the visibility of the redefined method should remain the same as in the parent class.
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