The SELECT...FOR UPDATE can be used to create a shared lock._________________________
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Q31: After a COMMIT command is executed,the ROLLBACK
Q32: A shared lock prevents another user from
Q33: A deadlock occurs when two users hold
Q34: If a user has a shared lock
Q35: The USER_TAB_COLUMNS data dictionary object may be
Q37: Commands used to modify data are known
Q38: The WHERE clause of the DELETE command
Q39: Data that is being added to a
Q40: If more than one data value is
Q41: The variable name of a substitution variable
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