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IF NOT EXISTS (SELECT * FROM tutorials WHERE tutorialid = 'Alg1_01_02_0001' AND subjectid='1') THEN INSERT INTO tutorials (tutorialid, keywordlist, subjectid) VALUES ('Alg1_01_02_0001', 'Hello World', '1') ELSE UPDATE tutorials SET keywordlist = "HELLO WORLD" WHERE tutorialid = 'Alg1_01_02_0001' AND subjectid = '1'
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