Managing Databases with Oracle
Which statement about sequences is not true?

Sequences guarantee valid surrogate key values.
Sequences are most often used to provide values for surrogate keys.
A sequence is an object that generates a sequential series of unique numbers.
NextVal and CurrVal are both sequence methods.

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Managing Databases with Oracle
Which of the following is not true of SQL views?

Oracle views can by queried.
The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.
Oracle views are created using the standard SQL-92 CREATE VIEW command.
Oracle views cannot use the ORDER BY clause in view definitions.

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