{"id":199845,"date":"2025-05-06T08:30:47","date_gmt":"2025-05-06T00:30:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199845\/"},"modified":"2025-05-06T08:30:47","modified_gmt":"2025-05-06T00:30:47","slug":"%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3oracle%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e5%8f%8a%e5%85%b6%e5%ae%9e%e9%99%85%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199845\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3Oracle\u6570\u636e\u7c7b\u578b\u53ca\u5176\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u6df1\u5165\u4e86\u89e3Oracle\u6570\u636e\u7c7b\u578b\u53ca\u5176\u5b9e\u9645\u5e94\u7528<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>Oracle\u6570\u636e\u7c7b\u578b\u8be6\u89e3\u53ca\u5e94\u7528\u573a\u666f<\/p>\n<p>Oracle\u6570\u636e\u5e93\u4f5c\u4e3a\u4e00\u6b3e\u9886\u5148\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5728\u6570\u636e\u5b58\u50a8\u65b9\u9762\u63d0\u4f9b\u4e86\u591a\u79cd\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u6570\u636e\u7684\u9700\u6c42\u3002\u672c\u6587\u5c06\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u5e94\u7528\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\u6570\u503c\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n<p>\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u503c\u6570\u636e\u7c7b\u578b\u4e3b\u8981\u5305\u62ecNUMBER\u3001INT\u3001FLOAT\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u5404\u79cd\u6570\u503c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6574\u6570\u3001\u5c0f\u6570\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>CREATE TABLE Employee (\n    EmpID INT,\n    Salary NUMBER(10,2)\n);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cEmployee\u8868\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aEmpID\u5b57\u6bb5\u4ee5\u53ca\u4e00\u4e2aSalary\u5b57\u6bb5\uff0c\u5176\u4e2dEmpID\u91c7\u7528INT\u7c7b\u578b\u5b58\u50a8\u6574\u6570\u6570\u636e\uff0cSalary\u91c7\u7528NUMBER(10,2)\u7c7b\u578b\u5b58\u50a8\u5341\u8fdb\u5236\u6570\uff0c\u603b\u5171\u670910\u4f4d\u6570\u5b57\uff0c\u5176\u4e2d2\u4f4d\u662f\u5c0f\u6570\u3002<\/p>\n<ol>\n<li>\u5b57\u7b26\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n<p>Oracle\u6570\u636e\u5e93\u4e2d\u5e38\u7528\u7684\u5b57\u7b26\u6570\u636e\u7c7b\u578b\u5305\u62ecCHAR\u3001VARCHAR2\u3001CLOB\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u7c7b\u578b\u7528\u4e8e\u5b58\u50a8\u5b57\u7b26\u4e32\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>CREATE TABLE Customer (\n    CustomerID INT,\n    Name VARCHAR2(50),\n    Address CLOB\n);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cCustomer\u8868\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aCustomerID\u5b57\u6bb5\u4ee5\u53ca\u4e00\u4e2aName\u5b57\u6bb5\u548c\u4e00\u4e2aAddress\u5b57\u6bb5\uff0c\u5176\u4e2dName\u91c7\u7528VARCHAR2(50)\u7c7b\u578b\u5b58\u50a8\u957f\u5ea6\u6700\u591a\u4e3a50\u4e2a\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff0cAddress\u91c7\u7528CLOB\u7c7b\u578b\u5b58\u50a8\u8f83\u957f\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<ol>\n<li>\u65e5\u671f\u548c\u65f6\u95f4\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n<p>Oracle\u6570\u636e\u5e93\u4e2d\u6709\u4e13\u95e8\u7528\u4e8e\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u6570\u636e\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ecDATE\u3001TIMESTAMP\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>CREATE TABLE Order (\n    OrderID INT,\n    OrderDate DATE,\n    ShipDate TIMESTAMP\n);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cOrder\u8868\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aOrderID\u5b57\u6bb5\u4ee5\u53ca\u4e00\u4e2aOrderDate\u5b57\u6bb5\u548c\u4e00\u4e2aShipDate\u5b57\u6bb5\uff0c\u5176\u4e2dOrderDate\u91c7\u7528DATE\u7c7b\u578b\u5b58\u50a8\u65e5\u671f\u6570\u636e\uff0cShipDate\u91c7\u7528TIMESTAMP\u7c7b\u578b\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n<ol>\n<li>\u4e8c\u8fdb\u5236\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n<p>\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5b58\u50a8\u4e8c\u8fdb\u5236\u6570\u636e\u901a\u5e38\u4f7f\u7528BLOB\u7c7b\u578b\u3002BLOB\u6570\u636e\u7c7b\u578b\u88ab\u7528\u6765\u5b58\u50a8\u5927\u91cf\u7684\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u6bd4\u5982\u56fe\u50cf\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>CREATE TABLE File (\n    FileID INT,\n    FileData BLOB\n);<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cFile\u8868\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aFileID\u5b57\u6bb5\u4ee5\u53ca\u4e00\u4e2aFileData\u5b57\u6bb5\uff0c\u5176\u4e2dFileData\u91c7\u7528BLOB\u7c7b\u578b\u5b58\u50a8\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/p>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86Oracle\u6570\u636e\u5e93\u4e2d\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u53ca\u5176\u5e94\u7528\u573a\u666f\uff0c\u5e76\u7ed9\u51fa\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u6570\u636e\u9700\u6c42\uff0c\u5f00\u53d1\u4eba\u5458\u5728\u8bbe\u8ba1\u6570\u636e\u5e93\u8868\u7ed3\u6784\u65f6\u5e94\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b58\u50a8\u548c\u68c0\u7d22\u6548\u7387\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\uff0c\u8c22\u8c22\u9605\u8bfb\uff01<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u6df1\u5165\u4e86\u89e3Oracle\u6570\u636e\u7c7b\u578b\u53ca\u5176\u5b9e\u9645\u5e94\u7528\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eOracle,\u5e94\u7528\u573a\u666f,\u6570\u636e\u7c7b\u578b\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3Oracle\u6570\u636e\u7c7b\u578b\u53ca\u5176&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199845","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199845","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199845"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199845\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}