經安全檢測,此網站為安全網站,請放心前往原始網址!

SQL - IFNULL Function | 1Keydata

This function is commonly used to replace NULL value with another value. It is similar to the NVL function in Oracle and the ISNULL Function in SQL Server.

www.1keydata.com

網址安全性掃描由 google 提供