SAP MCQ Questions

The diff() function computes differences between consecutive elements. Syntax: diff(x, lag, differences). It's useful for calculating changes and derivatives. Understanding diff() enables change detection and trend analysis.

INSERT, UPDATE, MODIFY, and DELETE statements manipulate database data. INSERT adds records, UPDATE changes existing records, MODIFY updates or inserts, DELETE removes records. Database commits are automatic unless using logical units of work. Understanding DML operations enables data persistence in ABAP applications.

The wilcox.test() function performs Wilcoxon tests. Syntax: wilcox.test(x, y, paired). It's non-parametric alternative to t-test. Understanding Wilcoxon tests enables testing differences without normality assumptions.

Lock objects implement database locking for data consistency in multi-user environments. Enqueue and dequeue function modules are generated automatically. Understanding lock objects prevents data conflicts.

Technical settings define table storage parameters including data class, size category, and buffering. They affect performance and storage. Understanding technical settings enables optimized table design.

RFC (Remote Function Call) enables communication between SAP systems or between SAP and external systems. RFC types include sRFC (synchronous), aRFC (asynchronous), tRFC (transactional), qRFC (queued). Understanding RFC enables distributed processing and system integration.