–SQ03: It is used to maintain user group of ABAP Queries.
LIKE: By Using Like keyword, we can only refer the existing data objects. Syntax: DATA: <Variable_Name> LIKE <Table_field>
Free: Free is used to clear the data of internal table as well as internal table allocation memory.
Modularization technique we used to make our code more understandable or more readable.
Subroutine is local we can use it on same not from the outside of the same program while