Oracle
1Z0-909 · Question #18
1Z0-909 Question #18: Real Exam Question with Answer & Explanation
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JSON
Question
Examine this statement which executes successfully: The table is populated with a range of values including jobs for Robert, John, and Katie. Now, examine this statement and output: Why is an empty result set returned?
Exhibit
Options
- AThe select requires json_unquoteo in the where clause.
- BThe virtual values in the name column must be accessed using functions.
- CThe JSON datatype cannot be used in virtual columns.
- DThe json_extract() function requires a length value that matches the field length in the schema.
- ETable statistics must be updated to generate values for the name column.
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Topics
#virtual columns#JSON datatype#data type constraints#query execution