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Can any one tell what is the output of MOD(ID,20)=0 and why cannot we use
SELECT DISTINCT CITY FROM STATION WHERE ID IS NOT NULL;
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Weather Observation Station 3
You are viewing a single comment's thread. Return to all comments →
Can any one tell what is the output of MOD(ID,20)=0 and why cannot we use
SELECT DISTINCT CITY FROM STATION WHERE ID IS NOT NULL;