{"id":9311,"date":"2023-02-13T19:41:51","date_gmt":"2023-02-13T11:41:51","guid":{"rendered":"http:\/\/123.57.164.21\/?p=9311"},"modified":"2023-02-13T19:42:22","modified_gmt":"2023-02-13T11:42:22","slug":"postgresql-%e5%ba%93%ef%bc%8c%e8%a1%a8%ef%bc%8c%e5%ad%97%e6%ae%b5%ef%bc%8c%e5%80%bc%e5%a4%a7%e5%b0%8f%e5%86%99%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=9311","title":{"rendered":"PostgreSQL \u5e93\uff0c\u8868\uff0c\u5b57\u6bb5\uff0c\u503c\u5927\u5c0f\u5199\u7684\u95ee\u9898"},"content":{"rendered":"\n<p>\u7fa4\u91cc\uff0c\u7ecf\u5e38\u770b\u5230\u4e00\u4e9b\u5b66\u53cb\u4eec\uff0c\u5bf9PostgreSQL \u7684\u5927\u5c0f\u5199\u95ee\u9898\u6709\u7591\u60d1\uff0c\u672c\u7740\u81ea\u5df1\u4e5f\u6562\u5174\u8da3\u7684\u539f\u5219\uff0c\u5e76\u4e14\u4e5f\u60f3\u5f04\u6e05\u695a\u8fd9\u4ef6\u4e8b\u60c5\uff0c\u8fd9\u91cc\u7684\u505a\u70b9\u529f\u8bfe\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6d4b\u8bd5\u7684\u5185\u5bb9\u5982\u4e0b<\/p>\n\n\n\n<ul><li>1. \u6570\u636e\u5e93\u5927\u5c0f\u5199<\/li><li>2. \u8868\u540d\u5927\u5c0f\u5199<\/li><li>3. \u5b57\u6bb5\u5927\u5c0f\u5199<\/li><li>4. \u5b57\u6bb5\u503c\u5f97\u5927\u5c0f\u5199<\/li><li>5. \u4e00\u4e9b\u76f8\u5173\u7684\u5927\u5c0f\u5199\u7684\u51fd\u6570\u4ee5\u53ca\u6570\u636e\u7684\u8f6c\u6362\u51fd\u6570<\/li><\/ul>\n\n\n\n<p><strong>1. \u6570\u636e\u5e93\u540d\u7684\u5927\u5c0f\u5199<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u9996\u5148\u4f1a\u5efa\u7acb\u4e09\u4e2a\u6570\u636e\u5e93\u540d\u5b57\u4e3a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1 Test\n\ncreate table good (name varchar(20));\n\ninsert into good (name) values ('Test');\n\n2 test\n\ncreate table good (name varchar(20));\n\ninsert into good (name) values ('test');\n\n3 TEST\n\ncreate table good (name varchar(20));\n\ninsert into good (name) values ('TEST');<\/pre>\n\n\n\n<p>\u7136\u540e\u5728\u8fd9\u4e09\u4e2a\u6570\u636e\u5e93\u91cc\u9762\uff0c\u90fd\u5efa\u7acb\u4e00\u4e2a\u8868\uff0cgood, \u91cc\u9762\u63d2\u5165\u7684\u6570\u636e\u4f1a\u6709\u4ed6\u81ea\u5df1\u6570\u636e\u5e93\u7684\u540d\u5b57<\/p>\n\n\n\n<p>\u6211\u4eec\u6765\u5bf9\u8fd9\u4e9b\u6570\u636e\u5e93\u7684\u8868\u8fdb\u884c\u8bbf\u95ee<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-1024x421.png\" alt=\"\" class=\"wp-image-9313\" width=\"566\" height=\"232\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-1024x421.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-300x123.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-768x316.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-830x341.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-230x94.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-350x144.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14-480x197.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-14.png 1402w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><\/figure><\/div>\n\n\n\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u5f97\u51fa\uff0c\u6570\u636e\u5e93\u7684\u5e93\u540d\u662f\u5927\u5c0f\u5199\u662f\u654f\u611f\u7684\uff0c\u6240\u4ee5\u5728\u5efa\u5e93\u7684\u65f6\u5019\uff0c\u9700\u8981\u6ce8\u610f\u5927\u5c0f\u5199\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>2.\u8868\u5927\u5c0f\u5199\u7684\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6211\u4eec\u5728test \u5e93\u4e2d\uff0c\u5efa\u7acb\u4e09\u4e2a\u8868\uff0cBIG\uff0cbig, Big \u4e09\u4e2a\u8868<\/pre>\n\n\n\n<p>\u5728\u4f60\u8bd5\u7740\u521b\u5efa\u7b2c\u4e00\u5f20\u8868\u7684\u65f6\u5019\uff0c\u6ca1\u6709\u62a5\u9519\uff0c\u4f46\u4f60\u5728\u5efa\u7acb\u7b2c\u4e8c\u5f20\u8868\u7684\u65f6\u5019\uff0c\u5c31\u5f00\u59cb\u62a5\u9519\u4e86\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230test \u6570\u636e\u5e93\u4e2d\u53ea\u6709\u4e00\u5f20\u53ebbig\u7684\u8868\uff0c\u6709\u4eba\u8bf4\uff0c\u90a3\u4e0d\u5bf9\u6211\u8981\u662f\u5148\u5efa\u7acb BIG \u8868\u5462\uff1f\uff08\u4f60\u53ef\u4ee5\u8bd5\u8bd5\uff0c\u7ed3\u679c\u662f\u4e00\u6837\u7684,postgresql \u5728\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u53ea\u80fd\u8fd0\u884c\u5c0f\u5199\u8868\u540d\u7684\u5b58\u5728\uff09<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15.png\" alt=\"\" class=\"wp-image-9315\" width=\"472\" height=\"404\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15.png 738w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15-300x257.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15-230x197.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15-350x300.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-15-480x411.png 480w\" sizes=\"(max-width: 472px) 100vw, 472px\" \/><\/figure><\/div>\n\n\n\n<p>\u5f53\u7136\u5982\u679c\u4f60\u975e\u8981\u5b58\u50a8\u4e0d\u540c\u5927\u5c0f\u5199\u7684\u8868\u540d\uff0cPostgreSQL \u4e5f\u4e0d\u662f\u4e0d\u53ef\u4ee5\uff0c\u90a3\u5c31\u662f\u9700\u8981\u52a0\u201c\u201d \u53cc\u5f15\u53f7<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16.png\" alt=\"\" class=\"wp-image-9316\" width=\"485\" height=\"576\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16.png 766w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16-253x300.png 253w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16-230x273.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16-350x416.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-16-480x570.png 480w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/figure><\/div>\n\n\n\n<p><strong>3.\u6700\u540e\u6211\u4eec\u6765\u5c1d\u8bd5\u4e00\u4e0b\u5b57\u6bb5\u540d\u548c\u5b57\u6bb5\u503c\u7684\u95ee\u9898<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6211\u4eec\u8fd8\u662f\u5728test \u6570\u636e\u5e93\u91cc\u9762\u5efa\u7acb\u8868\uff0c\u5e76\u4e14\u4f1a\u5728\u8fd9\u4e2a\u8868\u91cc\u9762\u5efa\u7acb\u4e09\u4e2a\u5b57\u6bb5<\/p>\n\n\n\n<p>\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">name\n\nName\n\nNAME<\/pre>\n\n\n\n<p>\u5e76\u4e14\u5728\u6bcf\u4e2a\u5b57\u6bb5\u91cc\u9762\u7684\u503c\uff0c\u4e5f\u662f\u548c\u5b57\u6bb5\u540d\u7684\u64b0\u5199\u65b9\u5f0f\u4e00\u6837\u3002\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u5728\u505a\u5230\u4e0b\u9762\u7684\u65f6\u5019\uff0c\u5927\u5bb6\u5e94\u8be5\u770b\u5230\u8fd9\u4e2a\u9519\u8bef\uff0c \u5728\u4e00\u4e2a\u8868\u91cc\u9762\uff0c\u7684\u5b57\u6bb5\u540d\u4e5f\u9ed8\u8ba4\u7edf\u4e00\u4e3a\u5c0f\u5199\u3002\u5f53\u7136\u5982\u679c\u4f60\u4e0d\u559c\u6b22\uff0c\u8fd8\u662f\u53ef\u4ee5\u5efa\u7acb\u4f60\u60f3\u5efa\u7acb\u7684\u5b57\u6bb5\u540d\u5927\u5c0f\u5199\uff0c\u8fd8\u662f\u90a3\u6837\u52a0\u201c\u53cc\u5f15\u53f7\u201d\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-1024x264.png\" alt=\"\" class=\"wp-image-9318\" width=\"678\" height=\"174\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-1024x264.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-300x77.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-768x198.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-830x214.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-230x59.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-350x90.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17-480x124.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-17.png 1382w\" sizes=\"(max-width: 678px) 100vw, 678px\" \/><\/figure><\/div>\n\n\n\n<p>\u65e2\u7136\u5982\u6b64\uff0c\u6211\u4eec\u53ea\u80fd\u7ee7\u7eed\u5728\u5b57\u6bb5\u7684\u503c\u7684\u4e0a\u9762\u627e\u95ee\u9898\u4e86<\/p>\n\n\n\n<p>\u6211\u4eec\u5728\u4e00\u4e2a\u8868\u4e2d\u7684name \u5b57\u6bb5\uff0c\u63d2\u5165\u4e0d\u540c\u7684\u503c\uff0c TIM, tim, Tim \u4e09\u4e2a\u503c\uff0c\u6211\u4eec\u770b\u770b\u7ed3\u679c\u5982\u4f55\uff0c\u5e76\u4e14\u5728\u67e5\u8be2\u4e2d\u662f\u4e0d\u662f\u4f1a\u6709\u4ec0\u4e48\u95ee\u9898\uff1f<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18.png\" alt=\"\" class=\"wp-image-9319\" width=\"584\" height=\"330\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18.png 840w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-300x169.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-768x433.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-830x468.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-230x130.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-350x198.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-18-480x271.png 480w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/figure><\/div>\n\n\n\n<p>\u597d\u4e86\u6570\u636e\u5df2\u7ecf\u751f\u6210\u4e86\uff0c\u770b\u770b\u6709\u4e9b\u4eba\u5728\u7fa4\u91cc\u9762\u63d0\u51fa\u7684\u95ee\u9898\uff0c\u662f\u4e0d\u662f\u771f\u7684<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19.png\" alt=\"\" class=\"wp-image-9320\" width=\"513\" height=\"518\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19.png 842w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-296x300.png 296w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-150x150.png 150w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-768x777.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-830x840.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-230x233.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-350x354.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-19-480x486.png 480w\" sizes=\"(max-width: 513px) 100vw, 513px\" \/><\/figure><\/div>\n\n\n\n<p>\u770b\u5230\u4e0a\u9762\u7684\u7ed3\u679c\uff0c\u9a8c\u8bc1\u4e86\u7fa4\u91cc\u9762\u6709\u4eba\u63d0\u51fa\u7684\u95ee\u9898\u7684\u771f\u5b9e\u6027\uff0c\u7684\u786e\u4e0d\u540c\u7684\u5927\u5c0f\u5199\u503c\uff0c\u4f1a\u5728\u67e5\u8be2\u91cc\u9762\u6709\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u62b1\u6028\u7684\u58f0\u97f3\u5c31\u7531\u6b64\u800c\u53d1\uff0c\u5176\u4e2d\u6709\u7684\u4eba\u5c31\u8bf4\uff0c\u6211\u4eec\u90a3\u4e9b\u524d\u7aef\u6839\u672c\u5c31\u4e0d\u7ba1\u5927\u5c0f\u5199\u7684\u95ee\u9898\uff0c\u6211\u4eec\u540e\u7aef\u600e\u4e48\u53bb\u5199SQL \u8bed\u53e5\u53bb\u67e5\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u5176\u5b9eSo Easy \u6211\u4eec\u6765\u5c06\u95ee\u9898\u5316\u6574\u4e3a\u96f6<\/p>\n\n\n\n<p>\u8f93\u5165\u6570\u636e\u4e0d\u89c4\u8303\uff0c\u91cc\u9762\u5927\u5c0f\u5199\u90fd\u6709\uff0c\u4f46\u67e5\u8be2\u7684\u65f6\u5019\uff0c\u7ed9\u51fa\u7684\u6761\u4ef6\u662f\u5c0f\u5199\uff0c\u8bf7\u95ee\u662f\u5426\u53ef\u4ee5\u5c06\u5927\u5199\uff0c\u5927\u5c0f\u5199\u90fd\u6709\u7684\u8bb0\u5f55\u67e5\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<p>\u53ea\u9700\u8981\u8fd9\u6837\u5c31\u53ef\u4ee5\uff0c\u8be6\u89c1\u4e0b\u56fe\uff0c\u5176\u5b9e\u6211\u5230\u662f\u89c9\u5f97\u8fd9\u4e2a\u662fPOSTGRESQL \u6bd4\u522b\u7684\u6570\u636e\u5e93\u5f3a\u7684\u5730\u65b9\uff0c\u5f88\u4e25\u8c28\uff0c\u4f46\u5982\u679c\u9700\u8981\u5bbd\u677e\u4e5f\u662f\u652f\u6301\u7684\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-1024x771.png\" alt=\"\" class=\"wp-image-9321\" width=\"500\" height=\"376\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-1024x771.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-300x226.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-768x578.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-830x625.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-230x173.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-350x264.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20-480x361.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/02\/\u56fe\u7247-20.png 1044w\" sizes=\"(max-width: 500px) 100vw, 500px\" 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