{"id":587,"date":"2012-02-21T23:37:54","date_gmt":"2012-02-21T15:37:54","guid":{"rendered":"https:\/\/yangtingkun.net\/?p=587"},"modified":"2012-02-22T20:40:26","modified_gmt":"2012-02-22T12:40:26","slug":"%e8%8e%b7%e5%8f%96%e8%a1%a8%e7%a9%ba%e9%97%b4%e6%98%af%e5%90%a6%e5%8f%af%e8%87%aa%e5%8a%a8%e6%89%a9%e5%b1%95%e7%9a%84sql","status":"publish","type":"post","link":"https:\/\/yangtingkun.net\/?p=587","title":{"rendered":"\u83b7\u53d6\u8868\u7a7a\u95f4\u662f\u5426\u53ef\u81ea\u52a8\u6269\u5c55\u7684SQL"},"content":{"rendered":"<p>\u597d\u957f\u65f6\u95f4\u6ca1\u5199SQL\u4e86\uff0c\u4eca\u5929\u770b\u5230\u540c\u4e8b\u5728\u4f7f\u7528\u4e00\u4e2a\u68c0\u67e5\u8868\u7a7a\u95f4\u662f\u5426\u53ef\u81ea\u52a8\u6269\u5c55\u7684SQL\uff0c\u4e0d\u4f46\u6548\u7387\u4e0d\u9ad8\uff0c\u800c\u4e14\u975e\u5e38\u7684\u7d2f\u8d58\uff0c\u5fcd\u4e0d\u4f4f\u81ea\u5df1\u5199\u4e86\u4e00\u4e2a\u3002<br \/>\n\u539f\u59cbSQL\u5982\u4e0b\uff1a<\/p>\n<pre lang='SQL'>SQL> select distinct tablespace_name, autoextensible\r\n  2 from DBA_DATA_FILES\r\n  3 where autoextensible = 'YES'\r\n  4 union\r\n  5 select distinct tablespace_name, autoextensible\r\n  6 from DBA_DATA_FILES\r\n  7 where autoextensible = 'NO'\r\n  8 and tablespace_name not in\r\n  9 (select distinct tablespace_name\r\n 10 from DBA_DATA_FILES\r\n 11 where autoextensible = 'YES');\r\nTABLESPACE_NAME                AUT\r\n------------------------------ ---\r\nSYSAUX                         NO\r\nSYSTEM                         NO\r\nUNDOTBS1                       YES\r\nUSERS                          NO<\/pre>\n<p>\u8fd9\u4e2aSQL\u7684\u552f\u4e00\u4f18\u70b9\u5c31\u662f\u601d\u8def\u6bd4\u8f83\u6e05\u6670\uff0c\u901a\u8fc7SQL\u7684\u5199\u6cd5\u53ef\u4ee5\u660e\u786e\u7684\u770b\u5230\u4f5c\u8005\u662f\u5982\u4f55\u6839\u636e\u6570\u636e\u6587\u4ef6\u7684\u53ef\u6269\u5c55\u6027\u6765\u5224\u65ad\u8868\u7a7a\u95f4\u662f\u5426\u53ef\u4ee5\u6269\u5c55\u7684\u3002<br \/>\n\u5f53\u4e00\u4e2a\u8868\u7a7a\u95f4\u4e2d\u53ea\u8981\u5305\u542b\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u6570\u636e\u6587\u4ef6\uff0c\u5219\u8fd9\u4e2a\u8868\u7a7a\u95f4\u5c31\u662f\u53ef\u6269\u5c55\u7684\uff0c\u53ea\u6709\u8868\u7a7a\u95f4\u4e0b\u6240\u6709\u7684\u6570\u636e\u6587\u4ef6\u90fd\u662f\u4e0d\u53ef\u6269\u5c55\u7684\uff0c\u8fd9\u4e2a\u8868\u7a7a\u95f4\u624d\u662f\u4e0d\u53ef\u6269\u5c55\u7684\u3002<br \/>\n\u867d\u7136\u4f5c\u8005\u7684\u601d\u8def\u6ca1\u6709\u95ee\u9898\uff0c\u4f46\u662f\u8fd9\u4e2aSQL\u7684\u5199\u6cd5\u5b9e\u5728\u4e0d\u6562\u606d\u7ef4\uff0c\u5bf9DBA_DATA_FILES\u89c6\u56fe\u67e5\u8be2\u4e86\u4e09\u6b21\uff0c\u6bcf\u6b21\u90fd\u4f7f\u7528\u4e86DISTINCT\uff0c\u540c\u65f6\u8fd8\u5305\u542b\u4e86NOT IN\u8fde\u63a5\u4ee5\u53caUNION\u96c6\u5408\u3002<br \/>\n\u5176\u4ed6\u7684\u5148\u4e0d\u8bf4\uff0cUNION\u5728\u8fd9\u91cc\u5c31\u5b8c\u5168\u6ca1\u6709\u610f\u4e49\uff0c\u4e8c\u8005\u5305\u542b\u7684\u7ed3\u679c\u662f\u4e92\u65a5\u7684\uff0c\u90a3\u4e48\u8fd9\u91cc\u81f3\u5c11\u5e94\u8be5\u4f7f\u7528UNION ALL\u3002<br \/>\n\u5176\u5b9e\u8fd9\u4e2aSQL\u6839\u672c\u4e0d\u9700\u8981\u8fd9\u4e48\u9ebb\u70e6\uff0c\u56e0\u4e3aAUTOEXTENSIBLE\u53ea\u6709\u4e24\u4e2a\u53d6\u503c\uff0cYES\u6216NO\uff0c\u90a3\u4e48\u53ea\u9700\u8981\u4e00\u6b21\u67e5\u8be2DBA_DATA_FILES\u5c31\u53ef\u4ee5\u5f97\u5230\u7ed3\u679c\uff1a<\/p>\n<pre lang='SQL'>SQL> SELECT TABLESPACE_NAME, MAX(AUTOEXTENSIBLE) \r\n  2  FROM DBA_DATA_FILES\r\n  3  GROUP BY TABLESPACE_NAME;\r\nTABLESPACE_NAME                MAX\r\n------------------------------ ---\r\nSYSAUX                         NO\r\nUNDOTBS1                       YES\r\nUSERS                          NO\r\nSYSTEM                         NO<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u957f\u65f6\u95f4\u6ca1\u5199SQL\u4e86\uff0c\u4eca\u5929\u770b\u5230\u540c\u4e8b\u5728\u4f7f\u7528\u4e00\u4e2a\u68c0\u67e5\u8868\u7a7a\u95f4\u662f\u5426\u53ef\u81ea\u52a8\u6269\u5c55\u7684SQL\uff0c\u4e0d\u4f46\u6548\u7387\u4e0d\u9ad8\uff0c\u800c\u4e14\u975e\u5e38\u7684\u7d2f\u8d58\uff0c\u5fcd\u4e0d\u4f4f\u81ea\u5df1\u5199\u4e86\u4e00\u4e2a\u3002 \u539f\u59cbSQL\u5982\u4e0b\uff1a SQL> select distinct tablespace_name, autoextensible 2 from DBA_DATA_FILES 3 where autoextensible = &#8216;YES&#8217; 4 union 5 select distinct tablespace_name, autoextensible 6 from DBA_DATA_FILES 7 where autoextensible = &#8216;NO&#8217; 8 and tablespace_name not in 9 (select distinct tablespace_name 10 &hellip; <a href=\"https:\/\/yangtingkun.net\/?p=587\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[480,479,478],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2yiY3-9t","_links":{"self":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/587"}],"collection":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=587"}],"version-history":[{"count":1,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/587\/revisions"}],"predecessor-version":[{"id":588,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/587\/revisions\/588"}],"wp:attachment":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}