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 1.How do you program an input validation on a selection screen that allows users to correct their input? // Implement a check at the event AT SELECTION-SCREEN. In case of an input error, a type E MESSAGE must be displayed.
2.Which of the following program types can contain screens? // Executable programs, Function groups, Module pools
3.Which of the following statements dynamically changes the data type of field z1?// Assign z1 to casting
4.Which statement is used to generically define the data reference variable z1? // data z1 type ref to data
5.You want to loop over an internal table without copying each table row to a work area. How can you achieve this using a field symbol? // LOOP AT ASSIGNING . ENDLOOP.
6.Which screen in the ABAP Dictionary allows you to log data changes to the table? // Technical Settings
7.In which sequence are the following ABAP Events triggered? //1. INITIALIZATION,2. AT SELECTION-SCREEN, 3. START-OF-SELECTION
8.If you are using external debugging (debugging of HTTP and RFC requests, which arrive in your ABAP system), what will the Debugger do? // May or may not stop, depending on external factors.
9.What is the default length of the type C data type? // 1
10.In an ABAP program you have the following code sequence:
DATA var TYPE n LENGTH 1.
FIELD –SYMBOLS TYPE c
ASSIGN var TO CASTING    
Which type is used to cast the assigned memory area? // The type of var
11.What is the maximum number of watchpoints that can exist at one time? // 10
12.What does Software Layer Aware Debugging allow you to do? // Specify as much or as little code to debug, Debug only a small portion of code, Debug a large portion of code



13.What are some of the advantages of using OPEN SQL // All standard SQL commands can be used | Syntax is checked at design time
14.

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