Name any five Oracle objects.
What will be an ideal response?
Table, view, sequence, synonym, and index.
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Suppose you want to verify that the user has entered a value into a text box named txtInput. Which of the following code segments responds with an appropriate message if the user does not enter a value?
a.``` If txtInput.text <> "" Then lblStatus.Text = “No data has been entered” End If ``` b.``` If txtInput.Text = " " Then lblStatus.Text = “No data has been entered” End If ``` c.``` If txtInput <> String.Empty Then lblStatus.Text = “No data has been entered” End If ``` d.``` If txtInput.Text = String.Empty Then lblStatus.Text = “No data has been entered” End If ```
When an item in a Jlist object is selected it generates a(n):
A) action listener event B) action performed event C) list selection listener event D) list selection event