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 ...

Function decode_custom in PostgreSQL This repository contains a custom PostgreSQL function called decode_custom, which emulates the behavior of the DECODE function in Oracle. This function allows ...