What is variable-length structure called?

Which of the following tool is introduced as a holistic quality assurance tool? Choose the correct answer

In addition to closing the result set, what does the CLOSE method of the CL_SQL_RESULT_SET class when using ABAP Database Connectivity (ADBC) do? Please choose the correct answer.

Buffering data can speed access to data up to 100 times when compared to reading it from the database.

Which type of view uses an inner join in a search help?