《Oracle PL/SQL實例精講》學習筆記6——條件控制：CASE語句

「學而時習之，不亦說乎。」sql 雖然是很簡單的語法，卻很重要。ide   代碼：ui -- *** Chapter Exercises *** -- -- For Example ch05_1a.sql DECLARE v_num NUMBER := &sv_user_num; BEGIN -- test if the number provided by the user is e

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