{"id":162597,"date":"2024-11-04T16:25:19","date_gmt":"2024-11-04T08:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162597\/"},"modified":"2024-11-04T16:25:19","modified_gmt":"2024-11-04T08:25:19","slug":"%e7%b0%a1%e6%98%93%e6%95%99%e7%a8%8b%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e4%bd%bf%e7%94%a8-ij-%e5%91%bd%e4%bb%a4%e5%bb%ba%e8%a1%a8-ij-%e6%80%8e%e9%ba%bc%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162597\/","title":{"rendered":"\u7c21\u6613\u6559\u7a0b\uff1a\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528 ij \u547d\u4ee4\u5efa\u8868 (ij \u600e\u9ebc\u5728\u6578\u64da\u5eab\u5efa\u8868)"},"content":{"rendered":"

\u7c21\u6613\u6559\u7a0b\uff1a\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528 ij \u547d\u4ee4\u5efa\u8868<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5efa\u8868\u662f\u4e00\u500b\u57fa\u672c\u800c\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 ij<\/code> \u547d\u4ee4\u5728\u6578\u64da\u5eab\u4e2d\u5efa\u8868\uff0c\u7279\u5225\u662f\u91dd\u5c0d Apache Derby \u6578\u64da\u5eab\u7684\u4f7f\u7528\u8005\u3002ij<\/code> \u662f\u4e00\u500b\u4ea4\u4e92\u5f0f\u7684 JDBC \u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u901a\u904e SQL \u8a9e\u53e5\u8207 Derby \u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n

\u4ec0\u9ebc\u662f ij \u547d\u4ee4\uff1f<\/h2>\n

ij<\/code> \u662f Apache Derby \u63d0\u4f9b\u7684\u4e00\u500b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u65bc\u57f7\u884c SQL \u8a9e\u53e5\u3002\u5b83\u652f\u6301\u591a\u7a2e SQL \u64cd\u4f5c\uff0c\u5305\u62ec\u5275\u5efa\u8868\u3001\u63d2\u5165\u6578\u64da\u3001\u67e5\u8a62\u6578\u64da\u7b49\u3002\u4f7f\u7528 ij<\/code> \u7684\u597d\u8655\u5728\u65bc\u5b83\u7c21\u55ae\u6613\u7528\uff0c\u4e26\u4e14\u53ef\u4ee5\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u4e2d\u57f7\u884c SQL \u8a9e\u53e5\uff0c\u7121\u9700\u7de8\u5beb\u5b8c\u6574\u7684 Java \u7a0b\u5e8f\u3002<\/p>\n

\u6e96\u5099\u5de5\u4f5c<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86 Apache Derby\u3002\u60a8\u53ef\u4ee5\u5f9e Apache Derby \u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u4e26\u5b89\u88dd\u3002\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u547d\u4ee4\u884c\u555f\u52d5 ij<\/code> \u5de5\u5177\u3002<\/p>\n

java -jar derbyrun.jar ij<\/code><\/pre>\n
\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h2>\n
\u5728\u4f7f\u7528 ij<\/code> \u4e4b\u524d\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230\u4e00\u500b\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u5c1a\u672a\u5275\u5efa\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\uff1a<\/p>\n
connect 'jdbc:derby:myDB;create=true';<\/code><\/pre>\n
\u9019\u88e1\u7684 myDB<\/code> \u662f\u60a8\u8981\u5275\u5efa\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u4e00\u689d\u63d0\u793a\u4fe1\u606f\uff0c\u8868\u793a\u5df2\u7d93\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/p>\n
\u5efa\u8868\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n
\u5728 Derby \u6578\u64da\u5eab\u4e2d\uff0c\u5efa\u8868\u7684\u57fa\u672c SQL \u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE TABLE table_name (\n    column1_name column1_datatype,\n    column2_name column2_datatype,\n    ...\n);<\/code><\/pre>\n
\u5176\u4e2d\uff0ctable_name<\/code> \u662f\u60a8\u8981\u5275\u5efa\u7684\u8868\u540d\uff0ccolumn1_name<\/code> \u548c column2_name<\/code> \u662f\u5217\u540d\uff0ccolumn1_datatype<\/code> \u548c column2_datatype<\/code> \u662f\u76f8\u61c9\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n
\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7528\u6236\u8868<\/h2>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u7528\u6236\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n
CREATE TABLE users (\n    id INT PRIMARY KEY,\n    username VARCHAR(50),\n    password VARCHAR(50),\n    email VARCHAR(100)\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba users<\/code> \u7684\u8868\uff0c\u5305\u542b\u56db\u500b\u5b57\u6bb5\uff1aid<\/code>\u3001username<\/code>\u3001password<\/code> \u548c email<\/code>\u3002id<\/code> \u5b57\u6bb5\u88ab\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u9019\u610f\u5473\u8457\u5b83\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\u3002<\/p>\n
\u57f7\u884c\u5efa\u8868\u547d\u4ee4<\/h2>\n
\u5728 ij<\/code> \u4e2d\u8f38\u5165\u4e0a\u8ff0\u5efa\u8868\u547d\u4ee4\u5f8c\uff0c\u6309\u4e0b Enter<\/code> \u9375\u3002\u5982\u679c\u547d\u4ee4\u57f7\u884c\u6210\u529f\uff0c\u60a8\u5c07\u770b\u5230\u4e00\u689d\u63d0\u793a\u4fe1\u606f\uff0c\u8868\u793a\u8868\u5df2\u6210\u529f\u5275\u5efa\u3002<\/p>\n
\u6aa2\u67e5\u8868\u662f\u5426\u5275\u5efa\u6210\u529f<\/h2>\n
\u8981\u6aa2\u67e5\u8868\u662f\u5426\u6210\u529f\u5275\u5efa\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff1a<\/p>\n
SELECT * FROM SYS.SYSTABLES WHERE TABLENAME = 'USERS';<\/code><\/pre>\n
\u5982\u679c\u8868\u5b58\u5728\uff0c\u60a8\u5c07\u770b\u5230\u76f8\u61c9\u7684\u7d50\u679c\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528 ij<\/code> \u547d\u4ee4\u5728\u6578\u64da\u5eab\u4e2d\u5efa\u8868\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u904e\u7a0b\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u8f15\u9b06\u5730\u5275\u5efa\u81ea\u5df1\u7684\u6578\u64da\u8868\uff0c\u4e26\u958b\u59cb\u9032\u884c\u6578\u64da\u7ba1\u7406\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0c\u4eab\u53d7\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 ij \u547d\u4ee4\u5728\u6578\u64da\u5eab\u4e2d\u5efa\u8868\u7684\u7c21\u6613\u6559\u7a0b\uff0c\u5feb\u901f\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u5de7\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-162597","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162597","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=162597"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162597\/revisions"}],"predecessor-version":[{"id":162598,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162597\/revisions\/162598"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}