Sql Null Values Part 1 What Are Null Values Sql Programming W3schools

ISNULL -- ISNULL(expression, replacementvalue) CASE STATEMENT COALASCE -- COALASCE(expression,value1,value2. in this lesson you will learn how to use arithmetic operations in oracle

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• ISNULL -- ISNULL(expression, replacementvalue) CASE STATEMENT COALASCE -- COALASCE(expression,value1,value2.
• in this lesson you will learn how to use arithmetic operations in oracle

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