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Oracle online test, online practice test, exam, quiz
Online Practice Test
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Oracle
Oracle Online Test
The purpose of this online test is to help you evaluate your Oracle knowledge yourself. These Multiple Choice Questions (MCQs) on Oracle will prepare you for technical round of job interview, written test and many certification exams.
The test contains 40 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test.
(Total
40
questions)
(Time spent
0:0
)
1. What operator is used to prevent the error: ‘ORA-01427:single row sub query returns more than one row’ ?
Use the IN operator
Use the >= operator
Use the CAN EXIST operator
Use the = operator
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