SQL中的CASE和DECODE
原文英文，约300词，阅读约需2分钟。发表于：。Understanding CASE and DECODE in SQL In SQL, particularly in Oracle SQL, CASE and DECODE are both used for implementing conditional logic within queries. They help in transforming or interpreting...
在SQL中，CASE和DECODE用于条件逻辑。CASE语句可评估多个条件并返回不同值，适合复杂情况；DECODE函数基于相等性检查，适合简单场景。两者均可有效分类和转换数据。
