You can fetch the length of XSTRING variable using xstrlen( l_abc_xstring ) where l_abc_xstring is the XSTRING variable.

It seems you are confused with the definition of structure. The structure does not contain any data. They just type definition.If you want to return or receive a structure as a parameter, that can be done using RFC.

This is because you are declaring constant as type c. The type c variable always trims the trailing space. I would suggest you define it as string as followsCONSTANTS: co_abc type string value ' b '.This will keep the trailing spaces.

There is a table TFDIR which contains all the information. You can use this table with FMODE=’R’ by transaction SE16. R denotes remote functions. If you want to check the return values of the function, you can use transaction SE37 by inputting the function in the search field.

Generally, it is not required to take the backup as SAP is very secure system and they keep the backup. But if you still want to take the backup, you would require creating a dummy destination, add the objects/your programs to transport and point it to that dummy destination and release it. Now you can keep the object s from dummy destination to any of your directory.

Note that if you specify an OPTIONS parameter with parenthesis, it will show an error. When you use Where (itab)In this case, itab has only one field with type C and shouldn’t be longer than 72 characters. “Itab” must be specified in parenthesis without any space between parenthesis and table name.You should use the same condition in the internal table as a condition in ABAP source code.

Internal tables − Internal tables are a means of storing data in the fixed format in working memory of ABAP. The data is stored line by line. So it is necessary for the data to be in a fixed format. Generally, they are used to store data in database tables to be used in ABAP programs.Structures−  Structures are basically data objects consisting of various components or fields of any data types. It differs from the tables in a way that it simulates the format of the table and is used to hold one row of data whereas table has multiple rows ... Read More

Both SE09 and SE10 were used in earlier releases of SAP for different purposes.SE09 – This was used for development of transportsSE10 – This was used for customizing the transports request. When you run SE10 in SAP ERP, you will get the same screen as in T-Code SE09 of Transport Organizer.In the latest version of SAP NetWeaver, both the Transactions are same.SE01 –This combines the features of both SE09 and SE10. Apart from that, there are many other features included in it like displaying specific transport request.

DBMS or Database Management system is basically the tool/interface required to manage the database.  For example, SQL server or a tool like MYSQL workbench is a DBMS. A DBMS is mainly used by or designed for technical people.ERP (Enterprise Resource Planning System) is a complete system with one database and number of function modules and has a number of inputs and output interfaces to be used by everyone. For example, there can be a user interface for customer or business people, another for technical people with various skills.So basically we can say that DBMS can be a subset of ERP.Read More

BAPI It is a short form for Business Application Programming Interface. It is a simple API used for business operations. It can be simple module function provided by SAP or it can be developed by the user as well. BAdI This is an abbreviation for Business Add-Ins. These are customer exits which are used to modify or customize existing SAP functionality. BAdI can be reused as they follow Object-oriented approach. Enhancements It is a modification of SAP functionality or adding new functionality possibly by using a BAdI class or any enhancement technique. Customer modification It is to customize existing function ... Read More