<![CDATA[
<div class="figure-img" data-ke-type="image" data-ke-style="alignLeft" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/zchT/370bb845c584d4a631e450bbac982d6ef3592a9f" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/zchT/370bb845c584d4a631e450bbac982d6ef3592a9f" data-origin-width="982" data-origin-height="672"></div><p> </p><p> </p><p> </p><p style="text-align: left;"><span style="color: #000000;" data-ke-size="size18"><b>■ 문제 22. </b></span><span style="color: #000000;" data-ke-size="size18">다음 중 결과가 </span><span style="color: #000000;" data-ke-size="size18"><u>다른</u></span><span style="color: #000000;" data-ke-size="size18"> 것은?</span></p><p style="text-align: left;"> </p><p style="text-align: left;"><span style="color: #ee2323;" data-ke-size="size18"><b>① CASE 칼럼 WHEN NULL THEM -1 ELSE 0 END</b></span></p><p style="text-align: left;"><span style="color: #333333;" data-ke-size="size18">② </span><span style="color: #000000;" data-ke-size="size18">CASE WHEN 칼럼 IS NULL THEN -1 ELSE 0 END</span></p><p style="text-align: left;"><span style="color: #333333;" data-ke-size="size18">③ </span><span style="color: #000000;" data-ke-size="size18">DECODE(칼럼, NULL, -1, 0)</span></p><p style="text-align: left;"><span style="color: #000000;" data-ke-size="size18">④ NVL(칼럼, -1)</span></p>
<!-- -->
]]>
카페 게시글
6.오라클 관리 수업
Re: 오늘의 마지막 문제. 오라클 소프트웨어 설치가 성공적으로 완료된 화면을 캡쳐해서 답글로 올려주세요.
다음검색
