Question 1 :
Locks placed by command are called ________ .
Question 2 :
Which of the following locks the item from change but not from read?
Question 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?
Question 4 :
A transaction for which all committed changes are permanent is called:
Question 5 :
In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed.