This device operates at layer 2 but functions at the higher layers.

Assume that transactions are executed at REPEATABLE READ. Give an example in which a phantom occurs when a transaction executes a SELECT statement that specifies the value of the primary key in the WHERE clause.

What will be an ideal response?

The Fill command is used to fill a(n) ____________________ object with data from a database.

Fill in the blank(s) with the appropriate word(s).