Introduction What is SQL NULL ? Table used in this article Functions to handle SQL NULL Value IsNull() Coalesce() Aggregating Data with NULL Value Handling NULL values in the report Examples on SQL ...
Find the average scores of the customers. Uses COALESCE to replace NULL Score with 0.
DAY-211 OF SQL ===== Special Operators: In SQL, special operators are used to perform specific types of comparisons or checks that are not possible with normal comparison operators. For example, the ...
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