What can be said about the following query :

SELECT SNO FROM SESSIONS WHERE SCANCEL NOT = NULL

Question

What can be said about the following query :  
 
    SELECT SNO FROM SESSIONS WHERE SCANCEL NOT = NULL

Answer

The query is executable but does not make sense.

Answer

The query is executable and makes sense (according to the column definitions).

Answer

The query cannot be executed (gives a syntax error).

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