{"id":1804,"date":"2015-09-11T16:55:20","date_gmt":"2015-09-11T08:55:20","guid":{"rendered":"http:\/\/www.821121.com\/?p=1804"},"modified":"2022-10-14T09:38:54","modified_gmt":"2022-10-14T01:38:54","slug":"oracle%e5%9f%ba%e7%a1%80%e4%b9%8b%e8%a7%a6%e5%8f%91%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1804","title":{"rendered":"Oracle\u57fa\u7840\u4e4b\u89e6\u53d1\u5668"},"content":{"rendered":"

1.\u6982\u5ff5<\/h3>\n

\u89e6\u53d1\u5668\u548c\u5b58\u50a8\u8fc7\u7a0b\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u4f46\u662f\u89e6\u53d1\u5668\u4e0d\u9700\u8981\u8c03\u7528\uff0c\u89e6\u53d1\u5668\u53ea\u80fd\u7531\u6570\u636e\u53ef\u7684\u7279\u5b9a\u4e8b\u4ef6\u6765\u89e6\u53d1\u3002<\/p>\n

\u7279\u5b9a\u7684\u89e6\u53d1\u4e8b\u4ef6\uff1a<\/h4>\n

\u7528\u6237\u5728\u6307\u5b9a\u7684\u8868\u6216\u89c6\u56fe\u4e2d\u5ea7DML\u64cd\u4f5c\uff0c\u4e3b\u8981\u6709\uff1ainsert\uff0cupdate\uff0cdelete\u7b49\u3002<\/p>\n

\u7528\u6237\u505aDDL\u64cd\u4f5c\uff0c\u4e3b\u8981\u6709\uff1acreate\uff0calter\uff0cdrop\u7b49\u3002<\/p>\n

\u6570\u636e\u5e93\u4e8b\u4ef6\uff0c\u4e3b\u8981\u5305\u62ec\uff1alogon\/logoff\u7528\u6237\u7684\u767b\u5f55\u6216\u6ce8\u9500\u3002<\/p>\n

startup\/shutdown\u6570\u636e\u5e93\u7684\u6253\u5f00\u6216\u5173\u95ed\u3002<\/p>\n

erros\u7279\u5b9a\u7684\u9519\u8bef\u4fe1\u606f\u7b49\u3002<\/p>\n

2.\u4f5c\u7528<\/h3>\n

\u89e6\u53d1\u5668\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4e8b\u4ef6\u8fdb\u884c\u8c03\u7528\uff0c\u6709\u7740\u66f4\u52a0\u7cbe\u7ec6\u7684\u63a7\u5236\u80fd\u529b\uff0c\u53ef\u4ee5\u5b8c\u6210\u5f88\u591a\u666e\u901a\u8bed\u53e5\u5b8c\u6210\u4e0d\u4e86\u7684\u529f\u80fd\uff0c\u4e3b\u8981\u4f5c\u7528\uff1a<\/p>\n

\u81ea\u52a8\u751f\u6210\u81ea\u589e\u957f\u7684\u5b57\u6bb5\u3002<\/p>\n

\u6267\u884c\u66f4\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n

\u9632\u6b62\u65e0\u610f\u4e49\u7684\u64cd\u4f5c\u3002<\/p>\n

\u63d0\u4f9b\u5ba1\u8ba1\u3002<\/p>\n

\u5141\u8bb8\u6216\u9650\u5236\u4fee\u6539\u67d0\u4e9b\u8868\u3002<\/p>\n

\u5b9e\u73b0\u5b8c\u6574\u6027\u89c4\u5219\u3002<\/p>\n

\u4fdd\u8bc1\u6570\u636e\u7684\u540c\u6b65\u590d\u5236\u3002<\/p>\n

3.\u7c7b\u578b<\/h3>\n

3.1 DML\u89e6\u53d1\u5668<\/h4>\n

ORACLE\u53ef\u4ee5\u5728DML\u8bed\u53e5\u8fdb\u884c\u89e6\u53d1\uff0c\u53ef\u4ee5\u5728DML\u64cd\u4f5c\u524d\u6216\u64cd\u4f5c\u540e\u8fdb\u884c\u89e6\u53d1\uff0c\u5e76\u4e14\u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u884c\u6216\u8bed\u53e5\u64cd\u4f5c\u4e0a\u8fdb\u884c\u89e6\u53d1\u3002<\/p>\n

3.2 \u66ff\u4ee3\u89e6\u53d1\u5668<\/h4>\n

\u7531\u4e8e\u5728ORACLE\u91cc\uff0c\u4e0d\u80fd\u76f4\u63a5\u5bf9\u7531\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\u5efa\u7acb\u7684\u89c6\u56fe\u8fdb\u884c\u64cd\u4f5c\u3002\u6240\u4ee5\u7ed9\u51fa\u4e86\u66ff\u4ee3\u89e6\u53d1\u5668\u3002\u5b83\u5c31\u662fORACLE 8\u4e13\u95e8\u4e3a\u8fdb\u884c\u89c6\u56fe\u64cd\u4f5c\u7684\u4e00\u79cd\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n

3.3 \u7cfb\u7edf\u89e6\u53d1\u5668<\/h4>\n

ORACLE 8i \u63d0\u4f9b\u4e86\u7b2c\u4e09\u79cd\u7c7b\u578b\u7684\u89e6\u53d1\u5668\u53eb\u7cfb\u7edf\u89e6\u53d1\u5668\u3002\u5b83\u53ef\u4ee5\u5728ORACLE\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u4e8b\u4ef6\u4e2d\u8fdb\u884c\u89e6\u53d1\uff0c\u5982ORACLE\u7cfb\u7edf\u7684\u542f\u52a8\u4e0e\u5173\u95ed\u7b49\u3002<\/p>\n

4.\u6848\u5217\u5206\u6790<\/h3>\n

--\u5efa\u7acb\u4e00\u4e2a\u89e6\u53d1\u5668, \u5f53\u804c\u5de5\u8868 emp \u8868\u88ab\u5220\u9664\u4e00\u6761\u8bb0\u5f55\u65f6\uff0c\u628a\u88ab\u5220\u9664\u8bb0\u5f55\u5199\u5230\u804c\u5de5\u8868\u5220\u9664\u65e5\u5fd7\u8868\u4e2d\u53bb\u3002<\/p>\n

CREATE TABLE emp_his AS SELECT * FROM EMP WHERE 1=2;\n\nCREATE OR REPLACE TRIGGER tr_del_emp\n\n   BEFORE DELETE --\u6307\u5b9a\u89e6\u53d1\u65f6\u673a\u4e3a\u5220\u9664\u64cd\u4f5c\u524d\u89e6\u53d1\n\n   ON scott.emp\n\n   FOR EACH ROW   --\u8bf4\u660e\u521b\u5efa\u7684\u662f\u884c\u7ea7\u89e6\u53d1\u5668\n\nBEGIN<\/code><\/pre>\n
--\u5c06\u4fee\u6539\u524d\u6570\u636e\u63d2\u5165\u5230\u65e5\u5fd7\u8bb0\u5f55\u8868 del_emp ,\u4ee5\u4f9b\u76d1\u7763\u4f7f\u7528\u3002<\/p>\n
INSERT INTO emp_his(deptno , empno, ename , job ,mgr , sal , comm , hiredate )\n\n       VALUES( :old.deptno, :old.empno, :old.ename , :old.job,:old.mgr, :old.sal, :old.comm, :old.hiredate );\n\nEND;<\/code><\/pre>\n
--\u68c0\u67e5\u4e00\u4e0b<\/p>\n
DELETE emp WHERE empno=7788;\nselect * from emp_his where empno=7788;<\/code><\/pre>\n
\"file\"
\n\u6ce8\u610f\uff1a
\n\u5728\u89e6\u53d1\u5668\u7684\u6267\u884c\u90e8\u5206\u53ea\u80fd\u7528DML\u8bed\u53e5\uff08SELECT\u3001INSERT\u3001UPDATE\u3001DELETE\uff09\uff0c\u4e0d\u80fd\u4f7f\u7528DDL\u8bed\u53e5\uff08CREATE\u3001ALTER\u3001DROP\uff09\u3002<\/p>\n
\u89e6\u53d1\u5668\u4e2d\u4e0d\u80fd\u5305\u542b\u4e8b\u52a1\u63a7\u5236\u8bed\u53e5(COMMIT\uff0cROLLBACK\uff0cSAVEPOINT)\u3002\u56e0\u4e3a\u89e6\u53d1\u5668\u662f\u89e6\u53d1\u8bed\u53e5\u7684\u4e00\u90e8\u5206\uff0c\u89e6\u53d1\u8bed\u53e5\u88ab\u63d0\u4ea4\u3001\u56de\u9000\u65f6\uff0c\u89e6\u53d1\u5668\u4e5f\u88ab\u63d0\u4ea4\u3001\u56de\u9000\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
1.\u6982\u5ff5 \u89e6\u53d1\u5668\u548c\u5b58\u50a8\u8fc7\u7a0b\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1804","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1804"}],"version-history":[{"count":1,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1804\/revisions"}],"predecessor-version":[{"id":1806,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1804\/revisions\/1806"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1804"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}