Database - Managing Multiuser Databases
Exercise : Managing Multiuser Databases - General Questions
- Managing Multiuser Databases - General Questions
- Managing Multiuser Databases - True or False
1.
Locks placed by command are called ________ .
2.
Which of the following locks the item from change but not from read?
3.
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?
4.
A transaction for which all committed changes are permanent is called:
5.
In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.
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