Oracle
1Z0-909 · Question #55
1Z0-909 Question #55: Real Exam Question with Answer & Explanation
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JSON
Question
Examine this table definition: The table must always remain a valid document store collection. What restriction does this impose on any added column?
Exhibit
Options
- AThe column must be a generated column referencing any attribute of doc.
- BThe column must have a default value.
- CThe column must be used in a unique constraint.
- DThe column must be a generated column referencing only an existing attribute of doc.
- EThe column must be indexed.
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Topics
#JSON document storage#generated columns#collection constraints#document validation