What Is Nvl in Sql?
Nvl(Expr1, Expr2): in Sql, Nvl() Converts a Null Value to an Actual Value. Data Types That Can Be Used Are Date, Character and Number. What Is Nvl in Sql with...
NVL(expr1, expr2) : In SQL, NVL() converts a null value to an actual value. Data types that can be used are date, character and number.
What is NVL in SQL with example?
The Oracle NVL() function allows you to replace null with a more meaningful alternative in the results of a query. The NVL() function accepts two arguments. If e1 evaluates to null, then NVL() function returns e2 . If e1 evaluates to non-null, the NVL() function returns e1 .Must Read
Why NVL is used in SQL?
NVL lets you replace null (returned as a blank) with a string in the results of a query.
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