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Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made.
The __________ may be able to specify style information for a particular document. For example, the user may specify a file that contains a style sheet or the user agent may provide an interface that generates a user style sheet.
What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles?
Which of the following filename extension suggests that the file is a backup copy of another file?
What is sent to the user via HTTP, invoked using the HTTP protocol on the user's computer, and run on the user's computer as an application?
Which of the following extensions suggest that the file is a backup copy?
What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?
What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length?
The lost update problem is when User A reads data that have been processed by a portion of a transaction from User B.
What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?