{"id":1623,"date":"2024-05-08T15:52:16","date_gmt":"2024-05-08T07:52:16","guid":{"rendered":"http:\/\/oneai.eu.org\/?p=1623"},"modified":"2024-05-08T15:52:16","modified_gmt":"2024-05-08T07:52:16","slug":"postgres-db-%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/oneai.eu.org\/?p=1623","title":{"rendered":"postgres db \u6a21\u5f0f"},"content":{"rendered":"
    \n
  1. \n

    \u521b\u5efa\u6a21\u5f0f\uff1a
    \nCREATE SCHEMA myschema;
    \n\u901a\u8fc7\u4ee5\u4e0a\u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u540d\u5b57\u4e3amyschema\u7684\u6a21\u5f0f\uff0c\u5728\u8be5\u6a21\u5f0f\u88ab\u521b\u5efa\u540e\uff0c\u5176\u4fbf\u53ef\u62e5\u6709\u81ea\u5df1\u7684\u4e00\u7ec4\u903b\u8f91\u5bf9\u8c61\uff0c\u5982\u8868\u3001\u89c6\u56fe\u548c\u51fd\u6570\u7b49\u3002<\/p>\n

      \n
    1. \n

      public\u6a21\u5f0f\uff1a
      \n\u5728\u4ecb\u7ecd\u540e\u9762\u7684\u5185\u5bb9\u4e4b\u524d\uff0c\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u5148\u89e3\u91ca\u4e00\u4e0bpublic\u6a21\u5f0f\u3002\u6bcf\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u65f6\uff0cPostgreSQL\u90fd\u4f1a\u4e3a\u6211\u4eec\u81ea\u52a8\u521b\u5efa\u8be5\u6a21\u5f0f\u3002\u5f53\u767b\u5f55\u5230\u8be5\u6570\u636e\u5e93\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u7279\u6b8a\u7684\u6307\u5b9a\uff0c\u6211\u4eec\u5c06\u4ee5\u8be5\u6a21\u5f0f(public)\u7684\u5f62\u5f0f\u64cd\u4f5c\u5404\u79cd\u6570\u636e\u5bf9\u8c61\uff0c\u5982\uff1a
      \nCREATE TABLE products ( ... ) \u7b49\u540c\u4e8e CREATE TABLE public.products ( ... )<\/p>\n<\/li>\n

    2. \n

      \u6743\u9650\uff1a
      \n\u7f3a\u7701\u65f6\uff0c\u7528\u6237\u770b\u4e0d\u5230\u6a21\u5f0f\u4e2d\u4e0d\u5c5e\u4e8e\u4ed6\u4eec\u6240\u6709\u7684\u5bf9\u8c61\u3002\u4e3a\u4e86\u8ba9\u4ed6\u4eec\u770b\u5f97\u89c1\uff0c\u6a21\u5f0f\u7684\u6240\u6709\u8005\u9700\u8981\u5728\u6a21\u5f0f\u4e0a\u8d4b\u4e88USAGE\u6743\u9650\u3002\u4e3a\u4e86\u8ba9\u7528\u6237\u4f7f\u7528\u6a21\u5f0f\u4e2d\u7684\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u8d4b\u4e88\u989d\u5916\u7684\u6743\u9650\uff0c\u53ea\u8981\u662f\u9002\u5408\u8be5\u5bf9\u8c61\u7684\u3002PostgreSQL\u6839\u636e\u4e0d\u540c\u7684\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u6743\u9650\u7c7b\u578b\uff0c\u5982\uff1a
      \nGRANT ALL ON SCHEMA myschema TO public;
      \n\u4e0a\u9762\u7684ALL\u5173\u952e\u5b57\u5c06\u5305\u542bCREATE\u548cUSAGE\u4e24\u79cd\u6743\u9650\u3002\u5982\u679cpublic\u6a21\u5f0f\u62e5\u6709\u4e86myschema\u6a21\u5f0f\u7684CREATE\u6743\u9650\uff0c\u90a3\u4e48\u767b\u5f55\u5230\u8be5\u6a21\u5f0f\u7684\u7528\u6237\u5c06\u53ef\u4ee5\u5728myschema\u6a21\u5f0f\u4e2d\u521b\u5efa\u4efb\u610f\u5bf9\u8c61\uff0c\u5982\uff1a
      \nCREATE TABLE myschema.products (
      \nproduct_no integer,
      \nname text,
      \nprice numeric CHECK (price > 0),
      \n);
      \n\u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709\u8868\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u9700\u8981\u5c06\u6743\u9650\u62c6\u5206\u4e3a\u5404\u79cd\u4e0d\u540c\u7684\u8868\u64cd\u4f5c\uff0c\u5982\uff1a
      \nALTER DEFAULT PRIVILEGES IN SCHEMA myschema
      \nGRANT INSERT, SELECT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER ON TABLES TO public;
      \n\u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709Sequence\u5e8f\u5217\u5bf9\u8c61\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u9700\u8981\u5c06\u6743\u9650\u62c6\u5206\u4e3a\u5404\u79cd\u4e0d\u540c\u7684Sequence\u64cd\u4f5c\uff0c\u5982\uff1a
      \nALTER DEFAULT PRIVILEGES IN SCHEMA myschema
      \nGRANT SELECT, UPDATE, USAGE ON SEQUENCES TO public;
      \n\u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709\u51fd\u6570\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u4ec5\u8003\u8651\u6267\u884c\u6743\u9650\uff0c\u5982\uff1a
      \nALTER DEFAULT PRIVILEGES IN SCHEMA myschema
      \nGRANT EXECUTE ON FUNCTIONS TO public;
      \n\u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u8fc7\u4ee5\u4e0a\u65b9\u5f0f\u5728public\u6a21\u5f0f\u4e0b\u4e3amyschema\u6a21\u5f0f\u521b\u5efa\u5404\u79cd\u5bf9\u8c61\u662f\u6781\u4e3a\u4e0d\u65b9\u4fbf\u7684\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8981\u4ecb\u7ecd\u53e6\u5916\u4e00\u79cd\u65b9\u5f0f\uff0c\u5373\u901a\u8fc7role\u5bf9\u8c61\uff0c\u76f4\u63a5\u767b\u5f55\u5e76\u5173\u8054\u5230myschema\u5bf9\u8c61\uff0c\u4e4b\u540e\u4fbf\u53ef\u4ee5\u5728myschema\u6a21\u5f0f\u4e0b\u76f4\u63a5\u521b\u5efa\u5404\u79cd\u6240\u9700\u7684\u5bf9\u8c61\u4e86\u3002
      \nCREATE ROLE myschema LOGIN PASSWORD '123456'; --\u521b\u5efa\u4e86\u548c\u8be5\u6a21\u5f0f\u5173\u8054\u7684\u89d2\u8272\u5bf9\u8c61\u3002
      \nCREATE SCHEMA myschema AUTHORIZATION myschema; --\u5c06\u8be5\u6a21\u5f0f\u5173\u8054\u5230\u6307\u5b9a\u7684\u89d2\u8272\uff0c\u6a21\u5f0f\u540d\u548c\u89d2\u8272\u540d\u53ef\u4ee5\u4e0d\u76f8\u7b49\u3002
      \n\u5728Linux Shell\u4e0b\uff0c\u4ee5myschema\u7684\u89d2\u8272\u767b\u5f55\u5230\u6570\u636e\u5e93MyTest\uff0c\u5728\u5bc6\u7801\u8f93\u5165\u6b63\u786e\u540e\u5c06\u6210\u529f\u767b\u5f55\u5230\u8be5\u6570\u636e\u5e93\u3002
      \n\/> psql -d MyTest -U myschema
      \nPassword:
      \nMyTest=> CREATE TABLE test(i integer);
      \nCREATE TABLE
      \nMyTest=> \\d --\u67e5\u770b\u8be5\u6a21\u5f0f\u4e0b\uff0c\u4ee5\u53ca\u8be5\u6a21\u5f0f\u6709\u6743\u9650\u770b\u5230\u7684tables\u4fe1\u606f\u5217\u8868\u3002
      \nList of relations
      \nSchema | Name | Type | Owner
      \n------------+---------+------+----------
      \nmyschema | test | table | myschema
      \n(1 rows)<\/p>\n<\/li>\n

    3. \n

      \u5220\u9664\u6a21\u5f0f\uff1a
      \nDROP SCHEMA myschema;
      \n\u5982\u679c\u8981\u5220\u9664\u6a21\u5f0f\u53ca\u5176\u6240\u6709\u5bf9\u8c61\uff0c\u8bf7\u4f7f\u7528\u7ea7\u8054\u5220\u9664\uff1a
      \nDROP SCHEMA myschema CASCADE;<\/p>\n<\/li>\n

    4. \n

      \u6a21\u5f0f\u641c\u7d22\u8def\u5f84\uff1a
      \n\u6211\u4eec\u5728\u4f7f\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u5bf9\u8c61\u65f6\u53ef\u4ee5\u4f7f\u7528\u5b83\u7684\u5168\u79f0\u6765\u5b9a\u4f4d\u5bf9\u8c61\uff0c\u7136\u800c\u8fd9\u6837\u505a\u5f80\u5f80\u4e5f\u662f\u975e\u5e38\u7e41\u7410\u7684\uff0c\u6bcf\u6b21\u90fd\u4e0d\u5f97\u4e0d\u952e\u5165owner_name.object_name\u3002PostgreSQL\u4e2d\u63d0\u4f9b\u4e86\u6a21\u5f0f\u641c\u7d22\u8def\u5f84\uff0c\u8fd9\u6709\u4e9b\u7c7b\u4f3c\u4e8eLinux\u4e2d\u7684$PATH\u73af\u5883\u53d8\u91cf\uff0c\u5f53\u6211\u4eec\u6267\u884c\u4e00\u4e2aShell\u547d\u4ee4\u65f6\uff0c\u53ea\u6709\u8be5\u547d\u4ee4\u4f4d\u4e8e$PATH\u7684\u76ee\u5f55\u5217\u8868\u4e2d\uff0c\u6211\u4eec\u624d\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u540d\u76f4\u63a5\u6267\u884c\uff0c\u5426\u5219\u5c31\u9700\u8981\u8f93\u5165\u5b83\u7684\u5168\u8def\u5f84\u540d\u3002PostgreSQL\u540c\u6837\u4e5f\u901a\u8fc7\u67e5\u627e\u4e00\u4e2a\u641c\u7d22\u8def\u5f84\u6765\u5224\u65ad\u4e00\u4e2a\u8868\u7a76\u7adf\u662f\u54ea\u4e2a\u8868\uff0c\u8fd9\u4e2a\u8def\u5f84\u662f\u4e00\u4e2a\u9700\u8981\u67e5\u627e\u7684\u6a21\u5f0f\u5217\u8868\u3002\u5728\u641c\u7d22\u8def\u5f84\u91cc\u627e\u5230\u7684\u7b2c\u4e00\u4e2a\u8868\u5c06\u88ab\u5f53\u4f5c\u9009\u5b9a\u7684\u8868\u3002\u5982\u679c\u5728\u641c\u7d22\u8def\u5f84\u4e2d \u6ca1\u6709\u5339\u914d\u8868\uff0c\u90a3\u4e48\u5c31\u62a5\u544a\u4e00\u4e2a\u9519\u8bef\uff0c\u5373\u4f7f\u5339\u914d\u8868\u7684\u540d\u5b57\u5728\u6570\u636e\u5e93\u5176\u5b83\u7684\u6a21\u5f0f\u4e2d\u5b58\u5728\u4e5f\u5982\u6b64\u3002
      \n\u5728\u641c\u7d22\u8def\u5f84\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6a21\u5f0f\u53eb\u505a\u5f53\u524d\u6a21\u5f0f\u3002\u9664\u4e86\u662f\u641c\u7d22\u7684\u7b2c\u4e00\u4e2a\u6a21\u5f0f\u4e4b\u5916\uff0c\u5b83\u8fd8\u662f\u5728CREATE TABLE\u6ca1\u6709\u58f0\u660e\u6a21\u5f0f\u540d\u7684\u65f6\u5019\uff0c\u65b0\u5efa\u8868\u6240\u5c5e\u4e8e\u7684\u6a21\u5f0f\u3002\u8981\u663e\u793a\u5f53\u524d\u641c\u7d22\u8def\u5f84\uff0c\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a
      \nMyTest=> SHOW search_path;
      \nsearch_path<\/h2>\n

      "$user",public
      \n(1 row)
      \n\u53ef\u4ee5\u5c06\u65b0\u6a21\u5f0f\u52a0\u5165\u5230\u641c\u7d22\u8def\u5f84\u4e2d\uff0c\u5982\uff1a
      \nSET search_path TO myschema,public;
      \n\u4e3a\u641c\u7d22\u8def\u5f84\u8bbe\u7f6e\u6307\u5b9a\u7684\u6a21\u5f0f\uff0c\u5982\uff1a
      \nSET search_path TO myschema; --\u5f53\u524d\u641c\u7d22\u8def\u5f84\u4e2d\u5c06\u53ea\u662f\u5305\u542bmyschema\u4e00\u79cd\u6a21\u5f0f\u3002<\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      \u521b\u5efa\u6a21\u5f0f\uff1a CREATE SCHEMA myschema; \u901a\u8fc7\u4ee5\u4e0a\u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u540d\u5b57\u4e3amyschema\u7684\u6a21\u5f0f\uff0c\u5728\u8be5\u6a21\u5f0f\u88ab\u521b\u5efa\u540e\uff0c\u5176\u4fbf\u53ef\u62e5\u6709\u81ea\u5df1\u7684\u4e00\u7ec4\u903b\u8f91\u5bf9\u8c61\uff0c\u5982\u8868\u3001\u89c6\u56fe\u548c\u51fd\u6570\u7b49\u3002 public\u6a21\u5f0f\uff1a \u5728\u4ecb\u7ecd\u540e\u9762\u7684\u5185\u5bb9\u4e4b\u524d\uff0c\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u5148\u89e3\u91ca\u4e00\u4e0bpublic\u6a21\u5f0f\u3002\u6bcf\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u65f6\uff0cPostgreSQL\u90fd\u4f1a\u4e3a\u6211\u4eec\u81ea\u52a8\u521b\u5efa\u8be5\u6a21\u5f0f\u3002\u5f53\u767b\u5f55\u5230\u8be5\u6570\u636e\u5e93\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u7279\u6b8a\u7684\u6307\u5b9a\uff0c\u6211\u4eec\u5c06\u4ee5\u8be5\u6a21\u5f0f(public)\u7684\u5f62\u5f0f\u64cd\u4f5c\u5404\u79cd\u6570\u636e\u5bf9\u8c61\uff0c\u5982\uff1a CREATE TABLE products ( … ) \u7b49\u540c\u4e8e CREATE TABLE public.products ( … ) \u6743\u9650\uff1a \u7f3a\u7701\u65f6\uff0c\u7528\u6237\u770b\u4e0d\u5230\u6a21\u5f0f\u4e2d\u4e0d\u5c5e\u4e8e\u4ed6\u4eec\u6240\u6709\u7684\u5bf9\u8c61\u3002\u4e3a\u4e86\u8ba9\u4ed6\u4eec\u770b\u5f97\u89c1\uff0c\u6a21\u5f0f\u7684\u6240\u6709\u8005\u9700\u8981\u5728\u6a21\u5f0f\u4e0a\u8d4b\u4e88USAGE\u6743\u9650\u3002\u4e3a\u4e86\u8ba9\u7528\u6237\u4f7f\u7528\u6a21\u5f0f\u4e2d\u7684\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u8d4b\u4e88\u989d\u5916\u7684\u6743\u9650\uff0c\u53ea\u8981\u662f\u9002\u5408\u8be5\u5bf9\u8c61\u7684\u3002PostgreSQL\u6839\u636e\u4e0d\u540c\u7684\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u6743\u9650\u7c7b\u578b\uff0c\u5982\uff1a GRANT ALL ON SCHEMA myschema TO public; \u4e0a\u9762\u7684ALL\u5173\u952e\u5b57\u5c06\u5305\u542bCREATE\u548cUSAGE\u4e24\u79cd\u6743\u9650\u3002\u5982\u679cpublic\u6a21\u5f0f\u62e5\u6709\u4e86myschema\u6a21\u5f0f\u7684CREATE\u6743\u9650\uff0c\u90a3\u4e48\u767b\u5f55\u5230\u8be5\u6a21\u5f0f\u7684\u7528\u6237\u5c06\u53ef\u4ee5\u5728myschema\u6a21\u5f0f\u4e2d\u521b\u5efa\u4efb\u610f\u5bf9\u8c61\uff0c\u5982\uff1a CREATE TABLE myschema.products ( product_no integer, name text, price numeric CHECK (price > 0), ); \u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709\u8868\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u9700\u8981\u5c06\u6743\u9650\u62c6\u5206\u4e3a\u5404\u79cd\u4e0d\u540c\u7684\u8868\u64cd\u4f5c\uff0c\u5982\uff1a ALTER DEFAULT PRIVILEGES IN SCHEMA myschema GRANT INSERT, SELECT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER ON TABLES TO public; \u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709Sequence\u5e8f\u5217\u5bf9\u8c61\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u9700\u8981\u5c06\u6743\u9650\u62c6\u5206\u4e3a\u5404\u79cd\u4e0d\u540c\u7684Sequence\u64cd\u4f5c\uff0c\u5982\uff1a ALTER DEFAULT PRIVILEGES IN SCHEMA myschema GRANT SELECT, UPDATE, USAGE ON SEQUENCES TO public; \u5728\u4e3a\u6a21\u5f0f\u4e0b\u7684\u6240\u6709\u51fd\u6570\u8d4b\u4e88\u6743\u9650\u65f6\uff0c\u4ec5\u8003\u8651\u6267\u884c\u6743\u9650\uff0c\u5982\uff1a ALTER DEFAULT PRIVILEGES IN SCHEMA myschema GRANT EXECUTE ON FUNCTIONS TO public; \u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u8fc7\u4ee5\u4e0a\u65b9\u5f0f\u5728public\u6a21\u5f0f\u4e0b\u4e3amyschema\u6a21\u5f0f\u521b\u5efa\u5404\u79cd\u5bf9\u8c61\u662f\u6781\u4e3a\u4e0d\u65b9\u4fbf\u7684\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8981\u4ecb\u7ecd\u53e6\u5916\u4e00\u79cd\u65b9\u5f0f\uff0c\u5373\u901a\u8fc7role\u5bf9\u8c61\uff0c\u76f4\u63a5\u767b\u5f55\u5e76\u5173\u8054\u5230myschema\u5bf9\u8c61\uff0c\u4e4b\u540e\u4fbf\u53ef\u4ee5\u5728myschema\u6a21\u5f0f\u4e0b\u76f4\u63a5\u521b\u5efa\u5404\u79cd\u6240\u9700\u7684\u5bf9\u8c61\u4e86\u3002 CREATE ROLE myschema LOGIN PASSWORD ‘123456’; –\u521b\u5efa\u4e86\u548c\u8be5\u6a21\u5f0f\u5173\u8054\u7684\u89d2\u8272\u5bf9\u8c61\u3002 CREATE SCHEMA myschema AUTHORIZATION myschema; –\u5c06\u8be5\u6a21\u5f0f\u5173\u8054\u5230\u6307\u5b9a\u7684\u89d2\u8272\uff0c\u6a21\u5f0f\u540d\u548c\u89d2\u8272\u540d\u53ef\u4ee5\u4e0d\u76f8\u7b49\u3002 \u5728Linux Shell\u4e0b\uff0c\u4ee5myschema\u7684\u89d2\u8272\u767b\u5f55\u5230\u6570\u636e\u5e93MyTest\uff0c\u5728\u5bc6\u7801\u8f93\u5165\u6b63\u786e\u540e\u5c06\u6210\u529f\u767b\u5f55\u5230\u8be5\u6570\u636e\u5e93\u3002 \/> psql -d MyTest -U myschema Password: MyTest=> CREATE TABLE test(i integer); CREATE TABLE MyTest=> \\d –\u67e5\u770b\u8be5\u6a21\u5f0f\u4e0b\uff0c\u4ee5\u53ca\u8be5\u6a21\u5f0f\u6709\u6743\u9650\u770b\u5230\u7684tables\u4fe1\u606f\u5217\u8868\u3002 List of relations Schema | Name | Type | Owner ————+———+——+———- myschema | test | table | myschema (1 rows) \u5220\u9664\u6a21\u5f0f\uff1a DROP SCHEMA myschema; \u5982\u679c\u8981\u5220\u9664\u6a21\u5f0f\u53ca\u5176\u6240\u6709\u5bf9\u8c61\uff0c\u8bf7\u4f7f\u7528\u7ea7\u8054\u5220\u9664\uff1a DROP SCHEMA myschema CASCADE; \u6a21\u5f0f\u641c\u7d22\u8def\u5f84\uff1a \u6211\u4eec\u5728\u4f7f\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u5bf9\u8c61\u65f6\u53ef\u4ee5\u4f7f\u7528\u5b83\u7684\u5168\u79f0\u6765\u5b9a\u4f4d\u5bf9\u8c61\uff0c\u7136\u800c\u8fd9\u6837\u505a\u5f80\u5f80\u4e5f\u662f\u975e\u5e38\u7e41\u7410\u7684\uff0c\u6bcf\u6b21\u90fd\u4e0d\u5f97\u4e0d\u952e\u5165owner_name.object_name\u3002PostgreSQL\u4e2d\u63d0\u4f9b\u4e86\u6a21\u5f0f\u641c\u7d22\u8def\u5f84\uff0c\u8fd9\u6709\u4e9b\u7c7b\u4f3c\u4e8eLinux\u4e2d\u7684$PATH\u73af\u5883\u53d8\u91cf\uff0c\u5f53\u6211\u4eec\u6267\u884c\u4e00\u4e2aShell\u547d\u4ee4\u65f6\uff0c\u53ea\u6709\u8be5\u547d\u4ee4\u4f4d\u4e8e$PATH\u7684\u76ee\u5f55\u5217\u8868\u4e2d\uff0c\u6211\u4eec\u624d\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u540d\u76f4\u63a5\u6267\u884c\uff0c\u5426\u5219\u5c31\u9700\u8981\u8f93\u5165\u5b83\u7684\u5168\u8def\u5f84\u540d\u3002PostgreSQL\u540c\u6837\u4e5f\u901a\u8fc7\u67e5\u627e\u4e00\u4e2a\u641c\u7d22\u8def\u5f84\u6765\u5224\u65ad\u4e00\u4e2a\u8868\u7a76\u7adf\u662f\u54ea\u4e2a\u8868\uff0c\u8fd9\u4e2a\u8def\u5f84\u662f\u4e00\u4e2a\u9700\u8981\u67e5\u627e\u7684\u6a21…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[89,82],"tags":[],"class_list":["post-1623","post","type-post","status-publish","format-standard","hentry","category-postgres-db","category-82"],"_links":{"self":[{"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1623"}],"version-history":[{"count":1,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1623\/revisions"}],"predecessor-version":[{"id":1624,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/1623\/revisions\/1624"}],"wp:attachment":[{"href":"https:\/\/oneai.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oneai.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}