Friends,I'm trying to write a select statement that ends like this:and sc.customer_name in (DECODE(shipto,'0',sc.customer_name,shipto));The trouble is that shipto contains a comma delimted list. I ...

在本文中，我们将讨论一些强大的 SQL 通用函数，它们是——NVL 函数、NVL2 函数、DECODE 函数、聚结函数、NULLIF 函数、LNNVL 函数和 NANVL 函数。 * **NVL (expr1, expr2)** : In SQL, NVL () converts a null value to an actual value. Data types that can be ...

Useful for migrating from oracle to postgres. If you use enterprisedb decode statement may work but case statements will give you better performance compared with decode. Thanks to Enterprisedb ...