Which of the Following Statements About NEXTVAL and CURRVAL Is

question 76

Multiple Choice

Which of the following statements about NEXTVAL and CURRVAL is incorrect?

• A) The pseudocolumn NEXTVAL is used to actually generate the sequence value.
• B) After the value is generated, it is stored in the CURRVAL pseudocolumn so it can be referenced again by a user.
• C) A reference to CURRVAL will not cause Oracle10g to generate a new sequence number; a reference to NEXTVAL, however, will generate a new number.
• D) NEXTVAL and CURRVAL are pseudocolumns that store unique names for database objects.

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Definitions:

Consistency

The degree to which a person's responses or behaviors are the same across different situations or over time.

Computed R-Values

Numerical measures that represent the strength and direction of a linear relationship between two variables.

Test Scores Reliability

The degree to which test scores are consistent and stable over time, indicating the reliability of the test.

Measurement Error

The difference between the observed value and the true value of a variable, due to inaccuracies in data collection or analysis.