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The NULLIF function returns a null value if the arguments are equal, otherwise it returns the value of the first argument.
- Db2 13
The NULLIF function returns the null value if the two...
- Db2 13
Funkcja NULLIF zwraca wartość null, jeśli argumenty są równe, w przeciwnym razie zwraca wartość pierwszego argumentu.
The NULLIF function returns the null value if the two arguments are equal; otherwise, it returns the value of the first argument.
In DB2 there is a function NVL(field, value if null). Example: SELECT ID, NVL(NAME, "Internal) AS NAME, NVL(PRICE,0) AS PRICE FROM PRODUCT WITH UR;
This tutorial introduces you to the SQL NULLIF function and shows you how to add the if-else condition to your SQL queries.
10 cze 2023 · The SQL NULLIF function lets you compare two values and determine if they match or not: Match? The function will return NULL. Don’t match? The function will return the first value. Syntax and Parameters. The syntax of the SQL NULLIF function is: NULLIF (expr1, expr2) The parameters of the NULLIF function are:
The SQL NULLIF function is used to compare two expressions or values and return NULL if they are equal. It provides a way to handle specific cases where you want to treat equality as a special condition by substituting it with a NULL value.
