SQL语句之CASE WHEN

CASE WHEN 基本概念 Case具备两种格式:简单Case函数和Case搜索函数。web 简单Case函数: CASE sex WHEN ‘1’ THEN ‘男’ WHEN ‘0’ THEN ‘女’ ELSE ‘其余’ ENDsql Case搜索函数: CASE WHEN sex = ‘1’ THEN ‘男’ WHEN sex = ‘0’ THEN ‘女’ ELSE ‘其余’ ENDsvg
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