ABAP Questions

strat_form using this we can open many layoutses
open_form using this we can open the layout
performance will be high

Structure and table both are 2/2 matrices but there are many differences between table and structure.

1. Table can store the data physically but a structure dose not store.
2. Table can have primary key but a structure dose not have.
3. Table can have the technical attribute but a structure dose not have.

structure doesn't contain technical attributes.
structure doesn't contain primary key.
structure doesn't stores underline database level.

ABAP (Advanced Business Application Programming) is a high level programming language created by the German software company SAP. It is currently positioned as the language for programming SAP's Web Application Server, part of its NetWeaver platform for building business applications. Its syntax is somewhat similar to COBOL.

ABAP/4 Query is a powerful tool to generate simple reports without any coding. ABAP/4 Query can generate the following 3 simple reports: Basic List: It is the simple reports. Statistics: Reports with statistical functions like Average, Percentages. Ranked Lists: For analytical reports. - For creating a ABAP/4 Query, programmer has to create user group and a functional group. Functional group can be created using with or without logical database table. Finally, assign user group to functional group. Finally, create a query on the functional group generated.

To format the ABAP code 'pretty printer' is used.

End of the selection event is mostly used when we are writing HR-ABAP code. In the HR-ABAP code, data is retrieved in the start of selection event and printing on the list and all will be done at the end of the selection event.

Webdynpro for ABAP is SAP web interface model which is used to develop web applications in SAP.

The difference between the table and template is that, table is a dynamic and template is a static.