Oracle
1Z0-909 · Question #49
1Z0-909 Question #49: Real Exam Question with Answer & Explanation
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SQL Fundamentals
Question
Which two statements are true about AUTO_INCREMENT?
Options
- AAUTO_INCREMENT values allocated to a transaction that is rolled back are not reused.
- BA table can have multiple AUTO_INCREMENT columns.
- CA server restart always resets the AUTO_INCREMENT value to largest value in the
- DThe decimal data type supports AUTO_INCREMENT.
- EAn AUTO_INCREMENT column must be indexed.
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Topics
#AUTO_INCREMENT#Transaction Rollback#Column Constraints#Indexing