쿼리팁
세로데이터 가로로 조회 http://blog.naver.com/mjsolar/220151258163 SELECT MAX(DECODE(R, 1, VAL)) ,MAX(DECODE(R, 2, VAL))FROM (SELECT 1 R, 'A' VAL FROM DUALUNION ALL SELECT 2 R, 'B' VAL FROM DUAL) SELECT SUBSTR(XMAGG(XMLELEMENT(x,'/',VAL) ORDER BY level DESC).EXTRACT('//text()'), 2) AS CONCAT_VALFROM (SELECT ROWNUM-1 R, VAL, COUNT(*) OVER() TOTFROM tempTable)START WITH R < TOTCONNECT BY PRIOR R = TOT SELECT..
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TABLE SPACE
SELECT A.TABLESPACE_NAME "테이블스페이스명", (A.BYTES - B.FREE) "사용공간", B.FREE "여유 공간", A.BYTES "총크기", TO_CHAR( (B.FREE / A.BYTES * 100), '999.99')||'%' "여유공간"FROM ( SELECT FILE_ID, TABLESPACE_NAME, SUBSTR(FILE_NAME,1,200) FILE_NM, SUM(BYTES) BYTES FROM DBA_DATA_FILES GROUP BY FILE_ID,TABLESPACE_NAME,SUBSTR(FILE_NAME,1,200)) A,( SELECT TABLESPACE_NAME, FILE_ID, SUM(NVL(BYTES,0)) FREE FROM DBA_FREE_SPACE..
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