Database - Managing Multiuser Databases
Exercise : Managing Multiuser Databases - General Questions
- Managing Multiuser Databases - General Questions
- Managing Multiuser Databases - True or False
6.
Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?
7.
The advantage of optimistic locking is that:
8.
Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
9.
Which of the following refers to a cursor type where changes of any type and from any source are visible?
10.
Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads?
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