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#SQLD This is a video summarizing the key points of one subject of the #Special Lecture for the final finishing touches of the exam!! Those who are going to take the SQLD exam, please make sure to check out this video!! #Instructor Han Jong-gu's SQLD online course is at #epassbiz ???? https://www.epassbiz.com #Instructor Han Jong-gu's SQLD open chat room ???? https://open.kakao.com/o/g443ijrb #SQLD online cafe ???? https://cafe.naver.com/joymarketing