Oracle
1Z0-117 · Question #10
1Z0-117 Question #10: Real Exam Question with Answer & Explanation
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Question
Which two are the fastest methods for fetching a single row from a table based on an equality predicate?
Options
- AFast full index scan on an index created for a column with unique key
- BIndex unique scan on an created for a column with unique key
- CRow fetch from a single table hash cluster
- DIndex range scan on an index created from a column with primary key
- ERow fetch from a table using rowid
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