databases Online Quiz - 10
Description: databases Online Quiz - 10 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
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Identify the correct output ---
select CONCAT('ORACLE' || 'BASICS') from dual;
Which functions mentioned below are GROUP functions? Choose all that apply
%ROWTYPE attribute is used to declare a variable and associate it's data type with the TABLE/CURSOR object.
Within a PL/SQL block, which commands are allowed? Choose all that apply
IF-THEN-ELSE-ENDIF construct is used for conditional control in a PL/SQL block. What happens if the condition in IF-THEN-ELSE-ENDIF block evaluates to NULL?