{"id":4785,"date":"2020-10-16T19:47:33","date_gmt":"2020-10-16T11:47:33","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=4785"},"modified":"2020-10-16T19:47:35","modified_gmt":"2020-10-16T11:47:35","slug":"oracle-%e6%95%b0%e6%8d%ae%e5%ba%93%e8%a1%a8%e7%a9%ba%e9%97%b4%e7%ae%a1%e7%90%86%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=4785","title":{"rendered":"Oracle \u6570\u636e\u5e93\u8868\u7a7a\u95f4\u7ba1\u7406\u57fa\u7840"},"content":{"rendered":"\n

\u5728\u5de5\u4f5c\u4e0e\u5b66\u4e60\u4e2d\uff0cOracle \u6570\u636e\u5e93\u662f\u5f88\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u4e00\u822c\u5f88\u591a\u7cfb\u7edf\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5e38\u5e38\u4f1a\u6709\u4e00\u4e9b\u9519\u8bef\u662f\u8868\u7a7a\u95f4\u4e0d\u8db3\u5f15\u8d77\u7684\uff0c\u56e0\u6b64\u4e00\u4e9b\u7b80\u5355\u7684\u5bf9 Oracle \u8868\u7a7a\u95f4\u64cd\u4f5c\u7684 sql \u8bed\u53e5\u8fd8\u662f\u8981\u719f\u77e5\u7684\uff0c\u4fbf\u4e8e\u5b9a\u4f4d\u62a5\u9519\u539f\u56e0\u3002<\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u5bf9\u8868\u7a7a\u95f4\u8fdb\u884c\u64cd\u4f5c\u7684 sql \u9700\u8981\u5728 dba \u7528\u6237\u4e0b\u6267\u884c\uff01\uff01\uff01<\/strong><\/p>\n\n\n\n

\u4e00\u3001\u67e5\u8be2\u8868\u7a7a\u95f4<\/h1>\n\n\n\n
select a.tablespace_name, a.file_name, status, \n       a.bytes \/ 1024 \/ 1024 \"sum MB\",\n       (a.bytes - b.bytes) \/ 1024 \/ 1024 \"used MB\",\n       b.bytes \/ 1024 \/ 1024 \"free MB\",\n       round(((a.bytes - b.bytes) \/ a.bytes) * 100, 2) \"used %\"\n  from (select tablespace_name, file_id, file_name, status, sum(bytes) bytes\n          from dba_data_files\n         group by tablespace_name, file_id, file_name, status) a,\n       (select tablespace_name, sum(bytes) bytes, max(bytes) largest\n          from dba_free_space\n         group by tablespace_name) b\n where a.tablespace_name = b.tablespace_name\n --order by ((a.bytes - b.bytes) \/ a.bytes) desc;\n order by a.file_id;<\/code><\/pre>\n\n\n\n
\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u4e8c\u3001\u521b\u5efa\u8868\u7a7a\u95f4<\/h1>\n\n\n\n
CREATE TABLESPACE TEST DATAFILE 'D:\\OracleData\\test\\test.dbf' SIZE 10M EXTENT MANAGEMENT LOCAL AUTOALLOCATE;\n\u6216\u8005\nCREATE TABLESPACE TEST DATAFILE 'D:\\OracleData\\test\\test.dbf' SIZE 10M;<\/code><\/pre>\n\n\n\n
\u5f15\u7528\u767e\u5ea6\u77e5\u9053\u4e2d\u725b\u4eba\u7684\u89e3\u7b54\uff1a<\/p>\n\n\n\n
\u200bextent\u662f\u201c\u533a\u95f4\u201d\u7684\u610f\u601d\u3002\u5728oracle\u6570\u636e\u5e93\u4e2d\uff1aextent management \u6709\u4e24\u79cd\u65b9\u5f0f\uff1aextent management local\uff08\u672c\u5730\u7ba1\u7406\uff09; extent management dictionary\uff08\u6570\u636e\u5b57\u5178\u7ba1\u7406\uff09\uff0c\u9ed8\u8ba4\u7684\u662flocal\u3002
\u6bcf\u79cd\u7ba1\u7406\u4e5f\u6709\u4e24\u79cd\u5927\u5c0f\u589e\u957f\u65b9\u5f0f\uff1a
uniform\uff1a\u9ed8\u8ba4\u4e3a1M\u5927\u5c0f\uff0c\u5728temp\u8868\u7a7a\u95f4\u91cc\u4e3a\u9ed8\u8ba4\u7684\uff0c\u4f46\u662f\u4e0d\u80fd\u88ab\u5e94\u7528\u5728undo\u8868\u7a7a\u95f4\u3002
\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u4e0e\u5b57\u5178\u7ba1\u7406\u8868\u7a7a\u95f4\u76f8\u6bd4\u5927\u5927\u63d0\u9ad8\u4e86\u7ba1\u7406\u6548\u7387\u548c\u6570\u636e\u5e93\u6027\u80fd\uff0c\u5176\u4f18\u70b9\u5982\u4e0b\uff1a
\u3000\u30001.\u51cf\u5c11\u4e86\u9012\u5f52\u7a7a\u95f4\u7ba1\u7406
\u3000\u3000\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u662f\u81ea\u5df1\u7ba1\u7406\u5206\u914d\uff0c\u800c\u4e0d\u662f\u8c61\u5b57\u5178\u7ba1\u7406\u8868\u7a7a\u95f4\u9700\u8981\u7cfb\u7edf\u6765\u7ba1\u7406\u7a7a\u95f4\u5206\u914d\uff0c\u672c\u5730\u8868\u7a7a\u95f4\u662f\u901a\u8fc7\u5728\u8868\u7a7a\u95f4\u7684\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u4e2d\u7ef4\u6301\u4e00\u4e2a\u4f4d\u56fe\u6765\u8ddf\u8e2a\u5728\u6b64\u6587\u4ef6\u4e2d\u5757\u7684\u5269\u4f59\u7a7a\u95f4\u53ca\u4f7f\u7528\u60c5\u51b5\u3002\u5e76\u53ca\u65f6\u505a\u66f4\u65b0\u3002\u8fd9\u79cd\u66f4\u65b0\u53ea\u5bf9\u8868\u7a7a\u95f4\u7684\u989d\u5ea6\u60c5\u51b5\u505a\u4fee\u6539\u800c\u4e0d\u5bf9\u5176\u4ed6\u6570\u636e\u5b57\u5178\u8868\u505a\u4efb\u4f55update\u64cd\u4f5c\uff0c\u6240\u4ee5\u4e0d\u4f1a\u4ea7\u751f\u4efb\u4f55\u56de\u9000\u4fe1\u606f\uff0c\u4ece\u800c\u5927\u5927\u51cf\u5c11\u4e86\u7a7a\u95f4\u7ba1\u7406\uff0c\u63d0\u9ad8\u4e86\u7ba1\u7406\u6548\u7387\u3002\u540c\u65f6\u7531\u4e8e\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u53ef\u4ee5\u91c7\u7528\u7edf\u4e00\u5927\u5c0f\u5206\u914d\u65b9\u5f0f(UNIFORM),\u56e0\u6b64\u4e5f\u5927\u5927\u51cf\u5c0f\u4e86\u7a7a\u95f4\u7ba1\u7406\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u5e93\u6027\u80fd\u3002
\u3000\u30002.\u7cfb\u7edf\u81ea\u52a8\u7ba1\u7406extents\u5927\u5c0f\u6216\u91c7\u7528\u7edf\u4e00extents\u5927\u5c0f
\u3000\u3000\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u6709\u81ea\u52a8\u5206\u914d(AUTOALLOCATE)\u548c\u7edf\u4e00\u5927\u5c0f\u5206\u914d(UNIFORM)\u4e24\u79cd\u7a7a\u95f4\u5206\u914d\u65b9\u5f0f\uff0c\u81ea\u52a8\u5206\u914d\u65b9\u5f0f(AUTOALLOCATE)\u662f\u7531\u7cfb\u7edf\u6765\u81ea\u52a8\u51b3\u5b9aextents\u5927\u5c0f\uff0c\u800c\u7edf\u4e00\u5927\u5c0f\u5206\u914d(UNIFORM)\u5219\u662f\u7531\u7528\u6237\u6307\u5b9aextents\u5927\u5c0f\u3002\u8fd9\u4e24\u79cd\u5206\u914d\u65b9\u5f0f\u90fd\u63d0\u9ad8\u4e86\u7a7a\u95f4\u7ba1\u7406\u6548\u7387\u3002
\u3000\u30003.\u51cf\u5c11\u4e86\u6570\u636e\u5b57\u5178\u4e4b\u95f4\u7684\u7ade\u4e89
\u3000\u3000\u56e0\u4e3a\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u901a\u8fc7\u7ef4\u6301\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4e00\u4e2a\u4f4d\u56fe\u6765\u8ddf\u8e2a\u5728\u6b64\u6587\u4ef6\u4e2d\u5757\u7684\u7a7a\u95f4\u60c5\u51b5\u5e76\u505a\u66f4\u65b0\uff0c\u8fd9\u79cd\u66f4\u65b0\u53ea\u4fee\u6539\u8868\u7a7a\u95f4\u7684\u989d\u5ea6\u60c5\u51b5\uff0c\u800c\u4e0d\u6d89\u53ca\u5230\u5176\u4ed6\u6570\u636e\u5b57\u5178\u8868\uff0c\u4ece\u800c\u5927\u5927\u51cf\u5c11\u4e86\u6570\u636e\u5b57\u5178\u8868\u4e4b\u95f4\u7684\u7ade\u4e89\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u5e93\u6027\u80fd\u3002
\u3000\u30004.\u4e0d\u4ea7\u751f\u56de\u9000\u4fe1\u606f
\u3000\u3000\u56e0\u4e3a\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u7684\u7a7a\u95f4\u7ba1\u7406\u9664\u5bf9\u8868\u7a7a\u95f4\u7684\u989d\u5ea6\u60c5\u51b5\u505a\u66f4\u65b0\u4e4b\u5916\u4e0d\u4fee\u6539\u5176\u5b83\u4efb\u4f55\u6570\u636e\u5b57\u5178\u8868\uff0c\u56e0\u6b64\u4e0d\u4ea7\u751f\u56de\u9000\u4fe1\u606f\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e86\u6570\u636e\u5e93\u7684\u8fd0\u884c\u901f\u5ea6\u3002
\u3000\u30005.\u4e0d\u9700\u5408\u5e76\u76f8\u90bb\u7684\u5269\u4f59\u7a7a\u95f4
\u3000\u3000\u56e0\u4e3a\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u7684extents\u7a7a\u95f4\u7ba1\u7406\u4f1a\u81ea\u52a8\u8ddf\u8e2a\u76f8\u90bb\u7684\u5269\u4f59\u7a7a\u95f4\u5e76\u7531\u7cfb\u7edf\u81ea\u52a8\u7ba1\u7406\uff0c\u56e0\u800c\u4e0d\u9700\u8981\u53bb\u5408\u5e76\u76f8\u90bb\u7684\u5269\u4f59\u7a7a\u95f4\u3002\u540c\u65f6\uff0c\u672c\u5730\u7ba1\u7406\u8868\u7a7a\u95f4\u7684\u6240\u6709extents\u8fd8\u53ef\u4ee5\u5177\u6709\u76f8\u540c\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u4e5f\u51cf\u5c11\u4e86\u7a7a\u95f4\u788e\u7247\u3002
\u3000\u30006.\u51cf\u5c11\u4e86\u7a7a\u95f4\u788e\u7247
\u3000\u30007.\u5bf9\u4e34\u65f6\u8868\u7a7a\u95f4\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u7ba1\u7406
autoallocate:
You can convert a tablespace from dictionary extent management to local extent management
and back with the Oracle-supplied PL\/SQL package DBMS_SPACE_ADMIN. The SYSTEM
tablespace and any temporary tablespaces, however, cannot be converted from local to the
older style dictionary managem
\u4e24\u79cdextent\u7ba1\u7406\u65b9\u5f0f\u662f\u53ef\u4ee5\u76f8\u4e92\u8f6c\u6362\u7684\uff0c\u5229\u7528PL\/SQL DBMS_SPACE_ADMIN
\u4f46\u662f\u7cfb\u7edf\u8868\u7a7a\u95f4\u548c\u4e34\u65f6\u8868\u7a7a\u95f4\u4e0d\u80fd\u4ecelocal\u7ba1\u7406\u8f6c\u5316\u5230dictionary\u7ba1\u7406\u3002<\/p><\/blockquote>\n\n\n\n
\u6267\u884c\u6210\u529f\u540e\u67e5\u8be2\u6570\u636e\u5e93\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u6267\u884c\u6210\u529f\u540e\u67e5\u8be2\u6307\u5b9a\u8def\u5f84\u4e0b\u6587\u4ef6\uff1a<\/p>\n\n\n\n
\"\"\/<\/p>\n\n\n\n
\u4e09\u3001\u4fee\u6539\u8868\u7a7a\u95f4<\/h1>\n\n\n\n
3.1\u3001\u4fee\u6539\u5927\u5c0f<\/h3>\n\n\n\n
alter database datafile 'D:\\OracleData\\test\\test.dbf' resize 5M;<\/code><\/pre>\n\n\n\n
\u4fee\u6539\u6210\u529f\u540e\u67e5\u8be2\u6570\u636e\u5e93\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u5907\u6ce8\uff1a\u4e00\u822c\u4fee\u6539\u8868\u7a7a\u95f4\u5927\u5c0f\uff0c\u90fd\u662f\u7531\u4e8e\u7a7a\u95f4\u592a\u5c0f\u800c\u6269\u5c55\uff0c\u4e00\u822c\u4e0d\u4f1a\u4ece\u5927\u4fee\u6539\u4e3a\u5c0f\uff0c\u8fd9\u91cc\u53ea\u662f\u6d4b\u8bd5\u800c\u5df2\u3002<\/strong><\/p>\n\n\n\n
3.2\u3001\u81ea\u52a8\u6269\u5c55<\/h3>\n\n\n\n
alter database datafile 'D:\\OracleData\\test\\test.dbf' autoextend on next 1M maxsize 100M;<\/code><\/pre>\n\n\n\n
\u5f53\u5b58\u50a8\u7a7a\u95f4\u4e0d\u591f\u7528\u65f6\uff0c\u6570\u636e\u5e93\u4f1a\u81ea\u52a8\u6bcf\u6b21\u6269\u5c55 1M \u5927\u5c0f\u3002<\/p>\n\n\n\n
\u4fee\u6539\u524d\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u4fee\u6539\u540e\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
3.3\u3001\u589e\u52a0\u6587\u4ef6<\/h3>\n\n\n\n
alter tablespace TEST add datafile 'D:\\OracleData\\test\\test2.dbf' size 2M;<\/code><\/pre>\n\n\n\n
\u589e\u52a0\u6210\u529f\u540e\u67e5\u8be2\u6570\u636e\u5e93\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u589e\u52a0\u6210\u529f\u540e\u67e5\u8be2\u6307\u5b9a\u8def\u5f84\u4e0b\u6587\u4ef6\uff1a<\/p>\n\n\n\n
\"\"\/<\/p>\n\n\n\n
\u56db\u3001\u5220\u9664\u8868\u7a7a\u95f4<\/h1>\n\n\n\n
drop tablespace TEST including contents and datafiles; <\/code><\/pre>\n\n\n\n
\u5220\u9664\u6210\u529f\u540e\u67e5\u8be2\u6570\u636e\u5e93\u7ed3\u679c\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u5220\u9664\u6210\u529f\u540e\u67e5\u8be2\u6307\u5b9a\u8def\u5f84\u4e0b\u6587\u4ef6\uff1a<\/p>\n\n\n\n
\"\"\/\u200b<\/p>\n\n\n\n
\u6ce8\u610f\uff1a\u5982\u679c\u76f4\u63a5\u5220\u9664\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\uff0c\u5219\u662f\u5220\u9664\u4e0d\u4e86\u7684\uff01\uff01\uff01<\/strong><\/p>\n\n\n\n
\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/tzhuwb\/article\/details\/109121890<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u5de5\u4f5c\u4e0e\u5b66\u4e60\u4e2d\uff0cOracle \u6570\u636e\u5e93\u662f\u5f88\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u4e00\u822c\u5f88\u591a\u7cfb\u7edf\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5e38\u5e38\u4f1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[796],"tags":[679,604,605,183,828],"class_list":["post-4785","post","type-post","status-publish","format-standard","hentry","category-oracle","tag-oracle","tag-sql","tag-windows","tag-183","tag-828"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4785"}],"version-history":[{"count":1,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4785\/revisions"}],"predecessor-version":[{"id":4786,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4785\/revisions\/4786"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4785"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}