Database Management
primer-original-v2mediumDatabase ManagementFunction - Scalar & Aggregateprimer-original-v2

select substr("Oracle World",1,6) from dual;

Answer options

A
Oracle
B
World
C
Oracle W
D
racle W

Correct answer: Oracle

Detailed Solution & Conceptual Analysis

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Key Engineering Takeaway

In Database Management, understanding the underlying mechanics of Database Management is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.

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