1.搜查型CASE敘述
CASE WHEN condition1 THEN statements1 [WHEN condition2 THEN statements2] … [ELSE statements3] END CASE; |
2.CASE運算式
sex_name := CASE sex_type WHEN ‘M’ THEN ‘男’ WHEN ‘F’ THEN ‘女’ ELSE ‘UNKNOW’ END; |
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1.搜查型CASE敘述
CASE WHEN condition1 THEN statements1 [WHEN condition2 THEN statements2] … [ELSE statements3] END CASE; |
2.CASE運算式
sex_name := CASE sex_type WHEN ‘M’ THEN ‘男’ WHEN ‘F’ THEN ‘女’ ELSE ‘UNKNOW’ END; |