Oracle
1Z0-882 · Question #21
1Z0-882 Question #21: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-882 to reveal the answer and full explanation for question #21. The question stem and answer options stay visible for context.
Question
Assume the user has just connected to the MySQL server. What is the result of the query SELECT @ a?
Options
- AAn error that @ a is undefined
- BA single NULL
- CAn empty string
- DThe value of GLOBAL variable @ a
Unlock 1Z0-882 to see the answer
You've previewed enough free 1Z0-882 questions. Unlock 1Z0-882 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.