databases Online Quiz - 134
|Description: databases Online Quiz - 134|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
The transaction control that prevents more than one user from updating data in a table is which of the following?
Which operator will be evaluated first in the following SELECT statement?
Which function can return a non-NULL value if passed a NULL argument?
At a minimum, how many join conditions should be there to avoid a Cartesian join if there are three tables in the FROM clause?
The Protection modes available in Data guard are:
Which component in the SGA has the dictionary cache?
What is the minimum number of control files are required to start a database?