Examlex
The GROUP BY clause can only be used when a SELECT statement includes a group function.
Coronation
The ceremony of crowning a sovereign or a monarch, symbolizing the official investiture of royal authority.
Cyprus
An island country in the Eastern Mediterranean, known for its rich historical and cultural heritage as well as its strategic geopolitical location.
Dopamine
A neurotransmitter involved in controlling movement and posture, as well as modulating mood, reward, and addiction.
Schizophrenic Disorder
A mental health disorder characterized by disturbances in thought, perception, and behavior, leading to a disconnection from reality.
Q1: A(n)_ subquery can return only one row
Q9: "TOP-N" analysis is performed by sorting values
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Q38: A correlated subquery is a subquery that
Q43: Which of the following is used to
Q79: Which of the following is a valid
Q98: A greater than or equal to comparison
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Q123: Views are database objects that store data.
Q133: Explain the difference between a WHERE and