目录DECODE 函数的基本语法示例与 CASE 语句的比较总结在 SQL 中,DECODE 函数是一个条件表达式,它通常用于 oracle 数据库中。DECODE 函数可以看作是 CASE 语句的简化版本,用于基于某个条件返回不同的值。
I have a very large database with about 120 Million records in one table.I have clean up the data in this table first before I divide it into several tables(possibly normalizing it). The columns of th