Learn SAP ABAP by Doing

Learn how to create a selection screen parameter in ABAP, set its text, fetch flights by carrier id, and display results with a right list.

Discover how the select option on the ABAP selection screen handles multiple values, ranges, and exclusions, illustrated by converting parameters to select options for career id from the flight table.

Explore ABAP's initialization, at selection screen, and start of selection blocks to initialize values, validate carrier ID input, and process data with start of selection.

Learn sap abap looping basics by building a program that prints numbers from 1 to 100 using while and do loops, with a simple increment and start of selection.

Explore branching in SAP ABAP by using if-then-else and case statements, driven by radio button selections to execute addition, subtraction, multiplication, or division code.

Explore string and character processing in SAP ABAP by learning concatenate and split keywords, including separators and respecting blanks, and choose between byte or character mode to apply them.

Master breakpoint and watchpoint usage in SAP ABAP debugging by setting breakpoints for commands, methods, function modules, subroutines, and source lines, and watching data object changes.

Create and activate a nonstandard SAP ABAP GST_employee structure in the data dictionary. Define fields—employee ID, employee name, m-type, email ID, and phone number—as the datatype for a data object.

Learn to create a SAP ABAP search help, using an elementary search on the employee table to find employee ID and name, and attach the help to a selection screen.

Explore function modules in SAP ABAP, including creation in a function group, calling from programs, importing, exporting, and changing parameters, and handling exceptions with a practical multiplication example.

Learn to implement an ALV grid display using the standard function module to display flight data from tables flight and car, with a selection screen and field catalog.

Learn how to retrieve data from database tables in SAP ABAP using open SQL, including select and select single, with selection options and performance considerations for internal tables.

Learn to insert data into a SAP ABAP database table by creating Xdr-tb_student, defining fields such as client, student_id, student_name, place_of_birth, date_of_birth, and using commit work and modify syntax.

Learn SAP ABAP by doing: delete data from database tables using simple programs, including delete, from, where, commit work, rollback work, and multiple-row deletion.

Learn to build a module pool program with screens for student data, create a transaction code, and bind fields to a global structure via data dictionary.

Learn to complete an ABAP input/output form by adding a title bar and save button, manage statuses, generate student IDs with a number ranges object, and save data to z_student.

Master standard screen input validation in SAP ABAP by applying mandatory field, field format, domain fixed value, and foreign key checks. Custom validation comes in the next chapter.

Explore custom screen input validation in ABAP, validating date of birth, gender, and student type with process after input, chain logic, and on input or on request techniques.

Learn how the screen flow executes pbo and pai logic in a module pool, handle validation, and navigate multiple screens with next screen and set screen in logic.

Learn to implement display mode for SAP ABAP screen elements by adding check table validation, creating a search help, and dynamically disabling fields via screen structure and group logic.

Learn how to use table control to display, insert, and change student family data in SAP ABAP, including table creation and field configuration.

Learn how to create and configure an ABAP table control on screen 100 to display and manage student family data, including data transfer from internal tables and testing.

Master inserting and changing rows in SAP ABAP table control by building and validating user input, updating internal tables, and saving to the database.

Learn how to delete rows in a table control by transferring the selection to the internal table and enabling selection with delete, select all, deselect all, using keyword modify.

Chapter 40 fixes several records in a table control by using the family item as the key and disabling the field; z trans zero four and z trans zero six.

Explore creating a tab strip control in an ABAP screen, linking tab buttons to sub screen areas, configuring screens 120 and 130, and managing active tabs and function codes.

Master field symbols in abap programming, using dynamic programming to point to data objects, modify values in internal tables, and sum fields in pmco core module with debugging examples.