Related Questions

Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?
A Nonrepeatable read
B Phantom read
C Dirty read
D Consistent read
Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read?
A Nonrepeatable read
B Phantom read
C Dirty read
D Consistent read
Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads?
A Read committed
B Read uncommitted
C Repeatable read
D Serializable
Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
A Read committed
B Read uncommitted
C Repeatable read
D Serializable
When one transaction reads a changed record that has not been committed to the database a filthy read occurs.
A True
B False
When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.
A True
B False
Which of the following records logons and deletions?
A Key logger
B Packet sniffer
C Log analysis tools
D Screen captures
Which of the following occurs when one transaction reads a changed record that has not been committed to the database?
A Nonrepeatable read
B Phantom read
C Dirty read
D Consistent read
Who said "Adolf Hitler is Germany and Getmany is Adolf Hitler. He who is committed to Hitler is committed to Germany"-
A R.Hess
B Mussolini
C Hitler
D Communist international
Marketing current products with possible modifications and range increases is also known as what?
A Retrenchment
B Market penetration
C Product development
D Market development

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