natejacobs
asked on
SQL equivalent to Oracle's 'NVL'
What's the SQL Server equivalent to the Oracle 'NVL' function?
I want to replace a null field with "N/A"
I want to replace a null field with "N/A"
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ASKER
ISNULL! that's what I was trying to remember
coalesce is a much better answer, since you can pass in 2 or 3 or 12 arguments and it returns the first nonnull
COALESCE
Syntax
COALESCE(expr1 {, exprN })
COALESCE returns the first expression that is not NULL. The expressions are evaluated in the order in which they are specified. This function is usually used to replace NULL values with a not NULL value.
Example
This example selects title and price for all books. If the price for a given title is NULL, the price shown is 0.00.
SELECT title, COALESCE(price, 0.00) AS price
FROM titles;
Equivalents in other databases
IBM DB2 COALESCE function
Oracle NVL function