{"id":10900,"date":"2023-04-27T12:47:43","date_gmt":"2023-04-27T04:47:43","guid":{"rendered":"http:\/\/123.57.164.21\/?p=10900"},"modified":"2023-05-08T16:39:23","modified_gmt":"2023-05-08T08:39:23","slug":"postgresql%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=10900","title":{"rendered":"PostgreSQL\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"\n<p>\u6570\u636e\u7c7b\u578b\u6307\u5b9a\u8981\u5728\u8868\u5b57\u6bb5\u4e2d\u5b58\u50a8\u54ea\u79cd\u7c7b\u578b\u7684\u6570\u636e\u3002 \u5728\u521b\u5efa\u8868\u65f6\uff0c\u5bf9\u4e8e\u6bcf\u5217\u5fc5\u987b\u4f7f\u7528\u6570\u636e\u7c7b\u578b\u3002<br>PotgreSQL\u4e2d\u4e3b\u8981\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u6570\u636e\u7c7b\u578b\u3002 \u6b64\u5916\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>CREATE TYPE<\/code> SQL\u547d\u4ee4\u521b\u5efa\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u3002 <\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662fPostgreSQL\u4e2d\u4e3b\u8981\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u6570\u636e\u7c7b\u578b\uff1a<\/p>\n\n\n\n<ul><li>\u6570\u503c\u6570\u636e\u7c7b\u578b<\/li><li>\u5b57\u7b26\u4e32\u6570\u636e\u7c7b\u578b<\/li><li>\u65e5\u671f\/\u65f6\u95f4\u6570\u636e\u7c7b\u578b<\/li><\/ul>\n\n\n\n<p><strong>\u6570\u503c\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6570\u5b57\u6570\u636e\u7c7b\u578b\u7528\u4e8e\u6307\u5b9a\u8868\u4e2d\u7684\u6570\u5b57\u6570\u636e\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\/04\/\u56fe\u7247-11-1024x652.png\" alt=\"\" class=\"wp-image-10901\" width=\"517\" height=\"328\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-1024x652.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-300x191.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-768x489.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-230x147.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-350x223.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11-480x306.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-11.png 1488w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u5b57\u7b26\u4e32\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>String\u6570\u636e\u7c7b\u578b\u7528\u4e8e\u8868\u793a\u5b57\u7b26\u4e32\u7c7b\u578b\u503c\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\/04\/\u56fe\u7247-12-1024x396.png\" alt=\"\" class=\"wp-image-10902\" width=\"528\" height=\"203\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-1024x396.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-300x116.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-768x297.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-830x321.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-230x89.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-350x135.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12-480x186.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-12.png 1484w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u65e5\u671f\/\u65f6\u95f4\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u65e5\u671f\/\u65f6\u95f4\u6570\u636e\u7c7b\u578b\u7528\u4e8e\u8868\u793a\u4f7f\u7528\u65e5\u671f\u548c\u65f6\u95f4\u503c\u7684\u5217\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\/04\/\u56fe\u7247-13-1024x608.png\" alt=\"\" class=\"wp-image-10903\" width=\"543\" height=\"322\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-1024x608.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-300x178.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-768x456.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-830x493.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-230x137.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-350x208.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13-480x285.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-13.png 1478w\" sizes=\"(max-width: 543px) 100vw, 543px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u4e00\u4e9b\u5176\u4ed6\u6570\u636e\u7c7b\u578b <\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>\u5e03\u5c14\u7c7b\u578b\uff1a<\/strong><\/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\/04\/\u56fe\u7247-14-1024x132.png\" alt=\"\" class=\"wp-image-10904\" width=\"567\" height=\"73\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-1024x132.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-300x39.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-768x99.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-830x107.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-230x30.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-350x45.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14-480x62.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-14.png 1490w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u8d27\u5e01\u7c7b\u578b\uff1a<\/strong><\/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\/04\/\u56fe\u7247-15-1024x136.png\" alt=\"\" class=\"wp-image-10905\" width=\"565\" height=\"74\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-1024x136.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-300x40.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-768x102.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-830x110.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-230x31.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-350x47.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15-480x64.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-15.png 1490w\" sizes=\"(max-width: 565px) 100vw, 565px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u51e0\u4f55\u7c7b\u578b\uff1a<\/strong><\/p>\n\n\n\n<p>\u51e0\u4f55\u6570\u636e\u7c7b\u578b\u8868\u793a\u4e8c\u7ef4\u7a7a\u95f4\u5bf9\u8c61\u3002\u6700\u6839\u672c\u7684\u7c7b\u578b\uff1a<strong>\u70b9<\/strong> &#8211; \u5f62\u6210\u6240\u6709\u5176\u4ed6\u7c7b\u578b\u7684\u57fa\u7840\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\/04\/\u56fe\u7247-16-1024x421.png\" alt=\"\" class=\"wp-image-10906\" width=\"564\" height=\"232\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-1024x421.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-300x123.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-768x316.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-830x341.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-230x95.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-350x144.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16-480x197.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-16.png 1484w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u4e8c\u8fdb\u5236\u7c7b\u578b\uff1a<\/strong><\/p>\n\n\n\n<p>PostgreSQL\u4e2d\u7684bytea\u5b57\u6bb5\u7c7b\u578b\u53ef\u4ee5\u4ee5\u4e8c\u8fdb\u5236\u7684\u5f62\u5f0f\u5b58\u50a8\u6570\u636e\uff0c\u8fd9\u6837\u505a\u7684\u597d\u5904\u5c31\u662f\u53ef\u4ee5\u5c06\u539f\u672c\u5b58\u50a8\u5728\u7f51\u7ad9\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u574f\u5904\u5c31\u662f\u5982\u679c\u6587\u4ef6\u8fc7\u591a\u3001\u8fc7\u5927\u7684\u8bdd\uff0c\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u7684\u6570\u636e\u91cf\u5927\u5927\u589e\u52a0\uff0c\u5907\u4efd\u548c\u6062\u590d\u7684\u65f6\u5019\u5c31\u4f1a\u6d6a\u8d39\u5927\u91cf\u7684\u65f6\u95f4\uff0c\u800c\u4e14\u6570\u636e\u4e5f\u6709\u53ef\u80fd\u4f1a\u51fa\u9519\u3002\u4e2a\u4eba\u89c9\u5f97\uff0c\u5728\u6587\u4ef6\u91cf\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u8fd9\u79cd\u5b58\u50a8\u65b9\u5f0f\u8fd8\u662f\u5f88\u65b9\u4fbf\u7684\u3002<\/p>\n\n\n\n<p>PostgreSQL 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\u63d0\u51fa\u4e86\u4e00\u4e2a\u65b9\u5f0f\u6765\u5b58\u50a8\u6570\u636e\u5e76\u4e0d\u8fdb\u884c\u538b\u7f29\uff0c\u5c06\u5176\u5b58\u50a8\u5728\u6570\u636e\u5e93\u6574\u4f53\u4e4b\u5916\u7684\u65b9\u5f0f\u3002\u90a3\u5177\u4f53\u8fd9\u6837\u505a\u7684\u597d\u5904\u548c\u7279\u70b9\uff0c\u662f\u4ec0\u4e48\u6211\u4eec\u53ef\u4ee5\u6d4b\u8bd5\u4e00\u4e0b<\/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\/04\/\u56fe\u7247-17-1024x403.png\" alt=\"\" class=\"wp-image-10909\" width=\"542\" height=\"213\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-1024x403.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-300x118.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-768x302.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-830x327.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-230x91.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-350x138.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17-480x189.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-17.png 1488w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/figure><\/div>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u521b\u5efa\u4e24\u4e2a\u8868\u4e00\u4e2a\u8868\u4f7f\u7528\u4e86 storage external \u7684\u65b9\u5f0f\u6765\u5b58\u50a8\u6211\u4eec\u7684data_save\u5b57\u6bb5\uff0c \u53e6\u4e00\u4e2a\u6211\u4eec\u91c7\u7528\u672c\u8eabPG\u7684\u65b9\u5f0f\u6765\u5b58\u50a8\u6211\u4eec\u770b\u770b\u6709\u4ec0\u4e48\u4e0d\u540c<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u7684\u770b\u5230\u4f7f\u7528\u4e86stroage extenal \u7684\u8868\u5728\u5b58\u50a8229MB \u5bb9\u91cf\u7684\u6570\u636e\u5230\u4e00\u4e2a\u5b57\u6bb5\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u4e86\u8fd9\u4e2a\u6280\u672f\u8981\u6bd4\u4e0d\u4f7f\u7528\u5feb 2 &#8211; 5\u79d2\uff0c \u7ecf\u8fc7\u591a\u6b21\u8bd5\u9a8c\uff0c\u53e6\u5916\u6839\u636e\u63d2\u5165\u7684\u6570\u636e\u8d8a\u5927\uff0c\u4e4b\u95f4\u7684\u5dee\u8ddd\u4e5f\u662f\u8d8a\u6765\u8d8a\u5927\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\/04\/\u56fe\u7247-18-1024x549.png\" alt=\"\" class=\"wp-image-10910\" width=\"549\" height=\"294\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-1024x549.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-300x161.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-768x412.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-1536x823.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-830x445.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-230x123.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-350x188.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18-480x257.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-18.png 1638w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/><\/figure><\/div>\n\n\n\n<p>\u53e6\u5916\u6211\u4eec\u9700\u8981\u770b\u5230\u5230\u5e95\u5b58\u50a8\u8fd9\u4e9b\u6570\u636e\u7684\u7269\u7406\u7a7a\u95f4\u6709\u6ca1\u6709\u4e0d\u540c<\/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\/04\/\u56fe\u7247-19-1024x308.png\" alt=\"\" class=\"wp-image-10911\" width=\"551\" height=\"165\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-1024x308.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-300x90.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-768x231.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-830x250.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-230x69.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-350x105.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19-480x144.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-19.png 1270w\" sizes=\"(max-width: 551px) 100vw, 551px\" \/><\/figure><\/div>\n\n\n\n<p>\u6211\u4eec\u5230\u76ee\u524d\u6570\u636e\u5e93\u7684\u5b58\u50a8\u7684\u7269\u7406\u4f4d\u7f6e\uff0c\u540c\u65f6\u90fd\u5b58\u50a8\u4e00\u4e2a229MB\u7684\u6587\u4ef6\u5230\u4e00\u4e2a\u5b57\u6bb5\u4e2d\u7684\u7ed3\u679c<\/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\/04\/\u56fe\u7247-20-1024x242.png\" alt=\"\" class=\"wp-image-10912\" width=\"537\" height=\"126\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-1024x242.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-300x71.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-768x182.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-1536x363.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-830x196.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-230x54.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-350x83.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20-480x114.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/\u56fe\u7247-20.png 1648w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/><\/figure><\/div>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u5982\u679c\u4f7f\u7528\u72ec\u6709\u7684\u5217\u5916\u6392\u7684\u6280\u672f\uff0c\u5219\u6570\u636e\u57fa\u672c\u4e0a\u6ca1\u6709\u592a\u5927\u7684\u538b\u7f29\uff0c\u6700\u540e\u5b9e\u9645\u4e0a\u5b58\u50a8\u7684\u6570\u636e215MB \uff0c\u800c\u5982\u679c\u4f7f\u7528\u9ed8\u8ba4\u7684\u65b9\u5f0f\u6765\u5b58\u50a8\u6570\u636e\u5219\u5b9e\u9645\u7684\u6570\u636e\u53d8\u4e3a63MB\uff0c\u538b\u7f29\u7684\u6bd4\u7387\u57283.6.<\/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\/05\/image-19-913x1024.png\" alt=\"\" class=\"wp-image-10973\" width=\"522\" height=\"585\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-913x1024.png 913w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-267x300.png 267w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-768x861.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-830x931.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-230x258.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-350x393.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19-480x538.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-19.png 1218w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/figure><\/div>\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\/05\/image-20-1024x804.png\" alt=\"\" class=\"wp-image-10974\" width=\"527\" height=\"413\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-1024x804.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-300x235.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-768x603.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-830x651.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-230x180.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-350x275.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20-480x377.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-20.png 1152w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/><\/figure><\/div>\n\n\n\n<p><strong>json \/jsonb\u7c7b\u578b<\/strong>\uff1a<\/p>\n\n\n\n<p>postgresql\u652f\u6301\u4e24\u79cdjson\u6570\u636e\u7c7b\u578b\uff1ajson\u548cjsonb\uff0c\u800c\u4e24\u8005\u552f\u4e00\u7684\u533a\u522b\u5728\u4e8e\u6548\u7387,json\u662f\u5bf9\u8f93\u5165\u7684\u5b8c\u6574\u62f7\u8d1d\uff0c\u4f7f\u7528\u65f6\u518d\u53bb\u89e3\u6790\uff0c\u6240\u4ee5\u5b83\u4f1a\u4fdd\u7559\u8f93\u5165\u7684\u7a7a\u683c\uff0c\u91cd\u590d\u952e\u4ee5\u53ca\u987a\u5e8f\u7b49\u3002\u800cjsonb\u662f\u89e3\u6790\u8f93\u5165\u540e\u4fdd\u5b58\u7684\u4e8c\u8fdb\u5236\uff0c\u5b83\u5728\u89e3\u6790\u65f6\u4f1a\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u7a7a\u683c\u548c\u91cd\u590d\u7684\u952e\uff0c\u987a\u5e8f\u548c\u8f93\u5165\u53ef\u80fd\u4e5f\u4e0d\u76f8\u540c\u3002\u4f7f\u7528\u65f6\u4e0d\u7528\u518d\u6b21\u89e3\u6790\u3002\u4e24\u8005\u5bf9\u91cd\u590d\u952e\u7684\u5904\u7406\u90fd\u662f\u4fdd\u7559\u6700\u540e\u4e00\u4e2a\u952e\u503c\u5bf9\u3002\u6548\u7387\u7684\u5dee\u522b\uff1ajson\u7c7b\u578b\u5b58\u50a8\u5feb\uff0c\u4f7f\u7528\u6162\uff0cjsonb\u7c7b\u578b\u5b58\u50a8\u7a0d\u6162\uff0c\u4f7f\u7528\u8f83\u5feb\u3002<\/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=\"\">CREATE TABLE \"test\".\"test_json1\" (\n  \"id\" serial2,\n  \"name\" json,\n  PRIMARY KEY (\"id\")\n)\uff1bINSERT INTO \"test_json1\" (\"name\")\u00a0 VALUES('{\"col1\":2,\"col2\":\"fp\",\"col3\":\"male\"}') \uff1bINSERT INTO \"test_json1\" (\"name\")\u00a0 VALUES('{\"col1\":1,\"col2\":\"francs\",\"col3\":\"female\"}')<\/pre>\n\n\n\n<p>PostgreSQL \u652f\u6301\u4e24\u79cdJSON \u6570\u636e\u7c7b\u578b\uff1a json \u548cjsonb \uff0c\u4e24\u79cd\u7c7b\u578b\u5728\u4f7f\u7528\u4e0a\u51e0\u4e4e\u5b8c\u5168\u76f8\u540c\uff0c\u4e24\u8005\u4e3b\u8981\u533a\u522b\u4e3a\u4ee5\u4e0b\uff1a json \u5b58\u50a8\u683c\u5f0f\u4e3a\u6587\u672c\u800cjsonb \u5b58\u50a8\u683c\u5f0f\u4e3a\u4e8c\u8fdb\u5236\uff0c\u7531\u4e8e\u5b58\u50a8\u683c\u5f0f\u7684\u4e0d\u540c\u4f7f\u5f97\u4e24\u79cdjson \u6570\u636e\u7c7b\u578b\u7684\u5904\u7406\u6548\u7387\u4e0d\u4e00\u6837\uff0c json \u7c7b\u578b\u4ee5\u6587\u672c\u5b58\u50a8\u5e76\u4e14\u5b58\u50a8\u7684\u5185\u5bb9\u548c\u8f93\u4eba<br>\u6570\u636e\u4e00\u6837\uff0c\u5f53\u68c0\u7d22json \u6570\u636e\u65f6\u5fc5\u987b\u91cd\u65b0\u89e3\u6790\uff0c\u800cjsonb \u4ee5\u4e8c\u8fdb\u5236\u5f62\u5f0f\u5b58\u50a8\u5df2\u89e3\u6790\u597d\u7684\u6570\u636e\uff0c\u5f53\u68c0\u7d22jsonb \u6570\u636e\u65f6\u4e0d\u9700\u8981\u91cd\u65b0\u89e3\u6790\uff0c\u56e0\u6b64json \u5199\u4eba\u6bd4jsonb \u5feb\uff0c\u4f46\u68c0\u7d22\u6bd4jsonb \u6162\u3002<\/p>\n\n\n\n<p>\uff081\uff09jsonb \u8f93\u51fa\u7684\u952e\u7684\u987a\u5e8f\u548c\u8f93\u5165\u4e0d\u4e00\u6837\uff0c\u800cjson \u7684\u8f93\u51fa\u952e\u7684\u987a\u5e8f\u548c\u8f93\u5165\u5b8c\u5168\u4e00\u6837\u3002<\/p>\n\n\n\n<p>\uff082\uff09jsonb \u7c7b\u578b\u4f1a\u53bb\u6389\u8f93\u5165\u6570\u636e\u4e2d\u952e\u503c\u7684\u7a7a\u683c\uff0c\u800cjson\u662f\u4fdd\u6301\u539f\u6837<\/p>\n\n\n\n<p><strong>\u56e0\u6b64 \u5728\u5927\u591a\u6570\u5e94\u7528\u573a\u666f\u4e0b\u5efa\u8bae\u4f7f\u7528jsonb \uff0c\u9664\u975e\u6709\u7279\u6b8a\u7684\u9700\u6c42\uff0c\u6bd4\u5982\u5bf9json \u7684\u952e\u987a\u5e8f\u6709\u7279\u6b8a\u7684\u8981\u6c42<\/strong>\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\/05\/\u56fe\u7247-1024x309.png\" alt=\"\" class=\"wp-image-10979\" width=\"464\" height=\"140\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-1024x309.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-300x90.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-768x232.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-1536x463.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-830x250.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-230x69.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-350x106.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-480x145.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247.png 1592w\" sizes=\"(max-width: 464px) 100vw, 464px\" \/><\/figure><\/div>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u770b\u4e00\u4e0b json\uff1a<\/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=\"\">SELECT '{\"username\":\"pedro\",\"age\":23}'::json;<\/pre>\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=\"\">\n                 json\n    -------------------------------\n     {\"username\":\"pedro\",\"age\":23}\n<\/pre>\n\n\n\n<p>\u5728 Postgre<a href=\"https:\/\/www.jb51.cc\/tag\/sql\/\" target=\"_blank\" rel=\"noreferrer noopener\">sql<\/a> \u4e2d<code>::<\/code>\u7b26\u53f7\u7528\u4e8e\u7c7b\u578b\u8f6c\u6362\uff0c\u8be5\u8bed\u53e5\u5c06\u5b57\u7b26\u4e32<code>'{\"username\":\"pedro\",\"age\":23}'<\/code>\uff0c\u901a\u8fc7\u7c7b\u578b\u8f6c\u6362\u4e3a<code>json<\/code>\uff0c\u5f97\u5230\u4e86 json \u6570\u636e\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u524d\u9762\uff0c\u6211\u4eec\u8c08\u5230 json \u4ee5\u6587\u672c\u683c\u5f0f\u5b58\u50a8\u6570\u636e\uff0c\u4e14\u63d2\u5165\u8f83\u5feb\uff0c\u90a3\u4e48\u662f\u4e0d\u662f\u771f\u7684\u5982\u6b64\u4e86\uff1f<\/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=\"\">SELECT '{\"username\":\"pedro\",    \"age\":     23}'::json;<\/pre>\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=\"\">\n                      json\n    ----------------------------------------\n     {\"username\":\"pedro\",    \"age\":     23}\n    Time: 0.221 ms<\/pre>\n\n\n\n<p><strong>\u4f7f\u7528 jsonb\uff1a<\/strong><\/p>\n\n\n\n<p>\u4ece\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa json \u786e\u5b9e\u4ee5\u6587\u672c\u683c\u5f0f\u5b58\u50a8\u4e86\u6570\u636e\uff0c\u591a\u4f59\u7684\u7a7a\u683c\u4f9d\u65e7\u5b58\u5728\uff0c\u90a3\u4e48\u518d\u770b jsonb\uff1a<\/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=\"\">SELECT '{\"username\":\"pedro\",    \"age\":     23}'::jsonb;<\/pre>\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=\"\">\n                  jsonb\n    ----------------------------------\n     {\"age\": 23, \"username\": \"pedro\"}\n    Time: 0.265 ms<\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0cjsonb \u5904\u7406\u591a\u4f59\u7684\u7a7a\u683c\uff0c\u56e0\u6b64\u6d88\u8017\u7684\u65f6\u5019\u591a\u4e86\u90a3\u4e48\u4e00\u70b9\uff0c\u5728\u5b9e\u9645\u7684\u6d4b\u8bd5\u4e2d\uff0cjson \u7684\u63d2\u5165<a rel=\"noreferrer noopener\" href=\"https:\/\/www.jb51.cc\/tag\/xingneng\/\" target=\"_blank\">\u6027\u80fd<\/a>\u786e\u5b9e\u6bd4 jsonb \u8981\u9ad8\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\/05\/\u56fe\u7247-1-1024x842.png\" alt=\"\" class=\"wp-image-10980\" width=\"553\" height=\"453\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-1-300x247.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-1-230x189.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-1-350x288.png 350w\" sizes=\"(max-width: 553px) 100vw, 553px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-2-1024x876.png\" alt=\"\" class=\"wp-image-10981\" width=\"548\" height=\"468\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-1024x876.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-300x257.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-768x657.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-1536x1314.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-830x710.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-230x197.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-350x300.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2-480x411.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-2.png 1608w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-3-1024x611.png\" alt=\"\" class=\"wp-image-10982\" width=\"564\" height=\"337\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-1024x611.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-300x179.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-768x458.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-1536x916.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-830x495.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-230x137.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-350x209.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3-480x286.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-3.png 1616w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-4-1024x847.png\" alt=\"\" class=\"wp-image-10983\" width=\"568\" height=\"469\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-1024x847.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-300x248.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-768x635.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-1536x1270.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-830x686.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-230x190.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-350x289.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4-480x397.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-4.png 1616w\" sizes=\"(max-width: 568px) 100vw, 568px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-5-983x1024.png\" alt=\"\" class=\"wp-image-10984\" width=\"546\" height=\"569\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-983x1024.png 983w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-288x300.png 288w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-768x800.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-1475x1536.png 1475w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-830x864.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-230x239.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-350x364.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5-480x500.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-5.png 1600w\" sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-6-1024x995.png\" alt=\"\" class=\"wp-image-10985\" width=\"540\" height=\"524\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-1024x995.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-300x291.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-768x746.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-1536x1492.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-830x806.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-230x223.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-350x340.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6-480x466.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-6.png 1622w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><\/figure><\/div>\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\/05\/\u56fe\u7247-7-1024x997.png\" alt=\"\" class=\"wp-image-10986\" width=\"534\" height=\"519\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-1024x997.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-300x292.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-768x748.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-1536x1496.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-830x808.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-230x224.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-350x341.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7-480x467.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-7.png 1610w\" sizes=\"(max-width: 534px) 100vw, 534px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u7c7b\u578b\u6307\u5b9a\u8981\u5728\u8868\u5b57\u6bb5\u4e2d\u5b58\u50a8\u54ea\u79cd\u7c7b\u578b\u7684\u6570\u636e\u3002 \u5728\u521b\u5efa\u8868\u65f6\uff0c\u5bf9\u4e8e\u6bcf\u5217\u5fc5\u987b\u4f7f\u7528\u6570\u636e\u7c7b\u578b\u3002PotgreSQL\u4e2d\u4e3b\u8981\u6709 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/10900"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10900"}],"version-history":[{"count":5,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/10900\/revisions"}],"predecessor-version":[{"id":10987,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/10900\/revisions\/10987"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}