[DNS]네임서버 설정값, DNS질의, DNS servers responded
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Tips
https://intodns.com
[ORACLE]이메일 도메인 걸러내기
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Database
SELECT SUBSTR(TO_EMAIL, INSTR(TO_EMAIL,'@')+ 1,LENGTH(RTRIM(TO_EMAIL))) AS DOMAIN, COUNT(SUBSTR(TO_EMAIL, INSTR(TO_EMAIL,'@')+ 1,LENGTH(RTRIM(TO_EMAIL)))) AS DOMAIN_CNTS FROM AUTO120 WHERE WORKDAY='20121116' AND SEQNO=5 GROUP BY SUBSTR(TO_EMAIL, INSTR(TO_EMAIL,'@')+ 1,LENGTH(RTRIM(TO_EMAIL))) HAVING COUNT(SUBSTR(TO_EMAIL, INSTR(TO_EMAIL,'@')+ 1,LENGTH(RTRIM(TO_EMAIL)))) > 0 ORDER BY COUNT(SUBSTR..