{"id":193371,"date":"2024-11-12T21:37:24","date_gmt":"2024-11-12T13:37:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193371\/"},"modified":"2024-11-12T21:37:25","modified_gmt":"2024-11-12T13:37:25","slug":"%e5%ad%b8%e5%a5%bdoracle%e5%85%ad%e6%a2%9d%e7%b8%bd%e7%b5%90%e7%9a%84%e8%a9%b3%e7%b4%b0%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193371\/","title":{"rendered":"\u5b78\u597dOracle\u516d\u689d\u7e3d\u7d50\u7684\u8a73\u7d30\u4ecb\u7d39"},"content":{"rendered":"

\u5b78\u597dOracle\u516d\u689d\u7e3d\u7d50\u7684\u8a73\u7d30\u4ecb\u7d39<\/h1>\n

Oracle\u662f\u4e00\u500b\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u5b78\u7fd2Oracle\u4e0d\u50c5\u80fd\u63d0\u5347\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\uff0c\u9084\u80fd\u589e\u5f37\u8077\u5834\u7af6\u722d\u529b\u3002\u672c\u6587\u5c07\u5f9e\u516d\u500b\u65b9\u9762\u7e3d\u7d50\u5b78\u597dOracle\u7684\u8981\u9ede\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u638c\u63e1\u9019\u4e00\u6280\u8853\u3002<\/p>\n

1. \u7406\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u5728\u5b78\u7fd2Oracle\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5305\u62ec\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3001\u6578\u64da\u6a21\u578b\u3001\u8868\u3001\u884c\u548c\u5217\u7b49\u3002\u6578\u64da\u5eab\u662f\u7528\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u7cfb\u7d71\uff0c\u800cOracle\u4f5c\u70ba\u4e00\u500b\u95dc\u806f\u6578\u64da\u5eab\uff0c\u4f7f\u7528\u8868\u683c\u4f86\u7d44\u7e54\u6578\u64da\u3002\u719f\u6089\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u80fd\u5e6b\u52a9\u4f60\u5728\u5f8c\u7e8c\u7684\u5b78\u7fd2\u4e2d\u66f4\u5feb\u4e0a\u624b\u3002<\/p>\n

2. \u638c\u63e1SQL\u8a9e\u8a00<\/h2>\n

SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u8207Oracle\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u5b78\u7fd2SQL\u7684\u57fa\u672c\u8a9e\u6cd5\u548c\u547d\u4ee4\uff0c\u5982SELECT\u3001INSERT\u3001UPDATE\u548cDELETE\u7b49\uff0c\u5c0d\u65bc\u6578\u64da\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n

SELECT * FROM employees WHERE department = 'Sales';<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u67e5\u8a62\u6240\u6709\u5728\u92b7\u552e\u90e8\u9580\u5de5\u4f5c\u7684\u54e1\u5de5\u4fe1\u606f\u3002\u638c\u63e1SQL\u8a9e\u8a00\u7684\u4f7f\u7528\uff0c\u80fd\u8b93\u4f60\u66f4\u6709\u6548\u5730\u8207Oracle\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n
3. \u719f\u6089Oracle\u7684\u6578\u64da\u985e\u578b<\/h2>\n
Oracle\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u7b26\u3001\u65e5\u671f\u548c\u4e8c\u9032\u5236\u6578\u64da\u7b49\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u7279\u6027\u548c\u4f7f\u7528\u5834\u666f\uff0c\u80fd\u5e6b\u52a9\u4f60\u5728\u8a2d\u8a08\u6578\u64da\u8868\u6642\u505a\u51fa\u66f4\u5408\u9069\u7684\u9078\u64c7\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5b58\u5132\u65e5\u671f\u7684\u5b57\u6bb5\uff0c\u61c9\u4f7f\u7528DATE\u985e\u578b\uff0c\u800c\u5c0d\u65bc\u5b58\u5132\u9577\u6587\u672c\u7684\u5b57\u6bb5\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528CLOB\u985e\u578b\u3002<\/p>\n
4. \u5b78\u7fd2\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u539f\u5247<\/h2>\n
\u826f\u597d\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\u7684\u57fa\u790e\u3002\u5b78\u7fd2\u6b63\u898f\u5316\u7684\u6982\u5ff5\uff0c\u80fd\u5e6b\u52a9\u4f60\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u6b63\u898f\u5316\u901a\u5e38\u5206\u70ba\u5e7e\u500b\u968e\u6bb5\uff0c\u5f9e\u7b2c\u4e00\u6b63\u898f\u5f62\uff081NF\uff09\u5230\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09\uff0c\u6bcf\u4e00\u968e\u6bb5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u8981\u6c42\u548c\u76ee\u7684\u3002<\/p>\n
5. \u638c\u63e1PL\/SQL\u7de8\u7a0b<\/h2>\n
PL\/SQL\u662fOracle\u7684\u904e\u7a0b\u6027\u8a9e\u8a00\uff0c\u5141\u8a31\u7528\u6236\u7de8\u5beb\u8907\u96dc\u7684\u6578\u64da\u8655\u7406\u908f\u8f2f\u3002\u5b78\u7fd2PL\/SQL\u80fd\u5e6b\u52a9\u4f60\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u3001\u89f8\u767c\u5668\u548c\u51fd\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684PL\/SQL\u5b58\u5132\u904e\u7a0b\u793a\u4f8b\uff1a<\/p>\n
CREATE OR REPLACE PROCEDURE increase_salary (emp_id IN NUMBER, increase_amount IN NUMBER) AS\nBEGIN\n    UPDATE employees SET salary = salary + increase_amount WHERE id = emp_id;\nEND;<\/code><\/pre>\n
\u9019\u500b\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u7528\u4f86\u589e\u52a0\u7279\u5b9a\u54e1\u5de5\u7684\u85aa\u6c34\uff0c\u5c55\u793a\u4e86PL\/SQL\u7684\u5f37\u5927\u529f\u80fd\u3002<\/p>\n
6. \u5b9a\u671f\u9032\u884c\u5be6\u8e10\u548c\u6e2c\u8a66<\/h2>\n
\u5b78\u7fd2Oracle\u7684\u6700\u4f73\u65b9\u5f0f\u662f\u901a\u904e\u5be6\u8e10\u3002\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3001\u67e5\u8a62\u548c\u7ba1\u7406\u64cd\u4f5c\uff0c\u4e26\u53c3\u52a0\u76f8\u95dc\u7684\u6e2c\u8a66\u548c\u8a8d\u8b49\u8003\u8a66\uff0c\u80fd\u5e6b\u52a9\u4f60\u978f\u56fa\u6240\u5b78\u77e5\u8b58\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u8a8d\u8b49\u8def\u5f91\uff0c\u5982Oracle Certified Associate (OCA)\u548cOracle Certified Professional (OCP)\uff0c\u9019\u4e9b\u8a8d\u8b49\u80fd\u5920\u63d0\u5347\u4f60\u7684\u5c08\u696d\u5f62\u8c61\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5b78\u597dOracle\u9700\u8981\u638c\u63e1\u57fa\u672c\u6982\u5ff5\u3001SQL\u8a9e\u8a00\u3001\u6578\u64da\u985e\u578b\u3001\u6578\u64da\u5eab\u8a2d\u8a08\u539f\u5247\u3001PL\/SQL\u7de8\u7a0b\u4ee5\u53ca\u5b9a\u671f\u5be6\u8e10\u3002\u9019\u516d\u689d\u7e3d\u7d50\u4e0d\u50c5\u80fd\u5e6b\u52a9\u4f60\u5728\u5b78\u7fd2\u904e\u7a0b\u4e2d\u4fdd\u6301\u65b9\u5411\u611f\uff0c\u9084\u80fd\u63d0\u9ad8\u4f60\u5728\u6578\u64da\u7ba1\u7406\u9818\u57df\u7684\u5c08\u696d\u80fd\u529b\u3002\u5982\u679c\u4f60\u9700\u8981\u9032\u4e00\u6b65\u7684\u8cc7\u6e90\u6216\u670d\u52d9\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u9999\u6e2fVPS<\/a>\u548c\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6df1\u5165\u4e86\u89e3\u5b78\u597dOracle\u7684\u516d\u689d\u7e3d\u7d50\uff0c\u638c\u63e1\u95dc\u9375\u6280\u5de7\u8207\u7b56\u7565\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u8207\u958b\u767c\u80fd\u529b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-193371","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=193371"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193371\/revisions"}],"predecessor-version":[{"id":193372,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193371\/revisions\/193372"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}