Which of the Following Is Not a Valid SQL Command?​

question 52

Multiple Choice

Which of the following is not a valid SQL command?​

• A) ​UPDATE acctmanager SET amedate = SYSDATE WHERE amid = 'J500';
• B) ​UPDATE acctmanager SET amname = UPPER(amname);
• C) ​UPDATE acctmanager SET amname = UPPER(amname)WHERE amid = 'J500';
• D) ​UPDATE acctmanager WHERE amid = 'J500';

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Definitions:

Mountain Belts

Large scale zones where mountains are grouped together, often formed by tectonic processes like continental collision.

High Plateaus

Elevated flat-topped areas of land that rise sharply above the surrounding land on at least one side, often formed by tectonic activities or erosion.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from the ridge.

Subduction-related Magmatism

The process of magma generation and volcanic activity that occurs in zones where one tectonic plate is subducted under another.