{"id":839,"date":"2022-01-16T08:25:00","date_gmt":"2022-01-16T00:25:00","guid":{"rendered":"http:\/\/www.langmanezhuang.com\/index.php\/2022\/01\/16\/%e6%95%b0%e6%8d%ae%e6%b9%96%e4%b8%8e%e6%95%b0%e4%bb%93%e6%8a%80%e6%9c%af%e4%bc%98%e5%8a%bf%e5%af%b9%e6%af%94\/"},"modified":"2022-01-16T08:25:00","modified_gmt":"2022-01-16T00:25:00","slug":"%e6%95%b0%e6%8d%ae%e6%b9%96%e4%b8%8e%e6%95%b0%e4%bb%93%e6%8a%80%e6%9c%af%e4%bc%98%e5%8a%bf%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"http:\/\/blog.langmanezhuang.com\/index.php\/2022\/01\/16\/%e6%95%b0%e6%8d%ae%e6%b9%96%e4%b8%8e%e6%95%b0%e4%bb%93%e6%8a%80%e6%9c%af%e4%bc%98%e5%8a%bf%e5%af%b9%e6%af%94\/","title":{"rendered":"\u6570\u636e\u6e56\u4e0e\u6570\u4ed3\u6280\u672f\u4f18\u52bf\u5bf9\u6bd4"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/cdn.langmanezhuang.com\/blog\/20221126\/42-543925-20220116162206065-1000163206.png\" alt=\"\" loading=\"lazy\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e00\u4e2a\u7ef4\u5ea6\u662f\u65b9\u6cd5\u8bba\uff0c\u6570\u636e\u6e56\u5176\u5b9e\u662f\u4e00\u4e2a\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\uff0c\u7528\u6237\u53ef\u4ee5\u5f80\u91cc\u9762\u653e\u4efb\u4f55\u4e00\u79cd\u6587\u4ef6\u6216\u8005\u6570\u636e\uff0c\u5b83\u7684\u4e00\u4e2a\u5178\u578b\u7279\u70b9\u662f\u4e8b\u540e\u5efa\u6a21\uff0c\u5b83\u7684\u65b9\u6cd5\u8bba\u662f\u7528\u6237\u5148\u628a\u6570\u636e\u653e\u4e0a\u6765\uff0c\u7136\u540e\u518d\u8003\u8651\u5982\u4f55\u4f7f\u7528\uff0c\u4e5f\u53eb\u505aSchemaOnRead\u3002\u6570\u636e\u4ed3\u5e93\u6b63\u597d\u76f8\u53cd\uff0c\u5b83\u662f\u4e8b\u524d\u5efa\u6a21\u7684\u6a21\u5f0f\uff0c\u5f53\u4f60\u5728\u628a\u6570\u636e\u63a8\u8fdb\u6570\u636e\u4ed3\u5e93\u7684\u65f6\u5019\uff0c\u8981\u6c42\u5148CreateTable\/Schema\uff0c\u8fd9\u662f\u65b9\u6cd5\u8bba\u4e0a\u7684\u4e0d\u540c\u3002<\/p>\n<p>\u7b2c\u4e8c\u7ef4\u5ea6\u5b58\u50a8\u7684\u5f62\u6001\u4e0a\uff0c\u6570\u636e\u6e56\u5b58\u50a8\u7684\u662f\u6587\u4ef6\uff0c\u6570\u636e\u4ed3\u5e93\u5b58\u50a8\u7684\u662f\u8868\uff08\u5177\u4f53\u8868\u5982\u4f55\u5b58\u50a8\u5bf9\u7528\u6237\u4e0d\u53ef\u89c1\uff09\u3002\u6570\u636e\u4ed3\u5e93\u662f\u9762\u5411\u7ed3\u6784\u5316\u5173\u7cfb\u8868\u8fbe\u8bbe\u8ba1\u7684\uff0c\u56e0\u6b64\u9762\u5411AI\u8fd9\u79cd\u975e\u7ed3\u6784\u5316\u6570\u636e\uff0c\u5b58\u5728\u5f88\u5927\u6311\u6218\uff0c\u5b83\u51e0\u4e4e\u4e0d\u652f\u6301\u97f3\u89c6\u56fe\u7c7b\u578b\u7684\u6570\u636e\u3002\u800c\u6570\u636e\u6e56\u53ef\u4ee5\u5b58\u50a8\u6240\u6709\u7c7b\u578b\uff0c\u66f4\u7075\u6d3b\u66f4\u6709\u4f18\u52bf\u3002<\/p>\n<p>\u7b2c\u4e09\u7ef4\u5ea6\u9762\u5411\u8ba1\u7b97\u5f15\u64ce\uff0c\u6570\u636e\u6e56\u5929\u7136\u662f\u4e00\u79cd\u66f4\u5f00\u653e\u7684\u67b6\u6784\uff0c\u9002\u914d\u66f4\u5bb9\u6613\uff0c\u4f46\u662f\u51e0\u4e4e\u4e5f\u5f88\u96be\u505a\u5230\u975e\u5e38\u597d\u7684\u7aef\u5230\u7aef\u4f18\u5316\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5f53\u5ba2\u6237\u628a\u6570\u636e\u4e0a\u4f20\u5230\u6570\u636e\u6e56\u4e0a\uff0c\u53ef\u80fd\u662f\u4e00\u4e2a\u884c\u5b58\u7684Log\u6587\u4ef6\u683c\u5f0f\uff0c\u4e0a\u5c42\u7684\u5206\u6790\u5f15\u64ce\u51e0\u4e4e\u5f88\u96be\u8ddf\u5b83\u505a\u975e\u5e38\u597d\u7684\u4f18\u5316\u5206\u6790\uff08\u56e0\u4e3a\u975e\u5217\u5b58\u3001\u7f3a\u4e4f\u7edf\u8ba1\u4fe1\u606f\u548c\u7d22\u5f15\u7684\u652f\u6301\uff09\u3002\u800c\u6570\u636e\u4ed3\u5e93\u56e0\u4e3a\u662f\u504f\u7aef\u5230\u7aef\u7684\u8bbe\u8ba1\uff0c\u5f88\u96be\u505a\u5230\u5f00\u653e\uff0c\u4f46\u662f\u7aef\u5230\u7aef\u7684\u4f18\u5316\u66f4\u5bb9\u6613\u3002<\/p>\n<p>\u7b2c\u56db\u4e2a\u7ef4\u5ea6\u4ece\u6210\u672c\u5c42\u9762\u770b\uff0c\u6570\u636e\u6e56\u975e\u5e38\u5bb9\u6613\u4e0a\u624b\uff0c\u5b83\u5c31\u662f\u4e2a\u5b58\u50a8\u7cfb\u7edf\uff0c\u4f60\u53ea\u8981\u628a\u6570\u636e\u653e\u4e0a\u53bb\u5c31\u5f62\u6210\u4e86\u4e00\u4e2a\u6570\u636e\u6e56\u3002\u4f46\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u957f\uff0c\u8fd0\u7ef4\u7ba1\u7406\u4f1a\u8d8a\u6765\u8d8a\u56f0\u96be\uff0c\u6240\u4ee5\u6709\u5f88\u591a\u6570\u636e\u6e56\u6700\u7ec8\u6709\u53ef\u80fd\u53d8\u6210\u6570\u636e\u6cbc\u6cfd\uff08\u6bd4\u5982\uff0c\u5927\u5bb6\u4e5f\u4e0d\u77e5\u9053\u8fd9\u4e2a\u6570\u636e\u5c5e\u4e8e\u8c01\uff0c\u8be5\u88ab\u8c01\u6765\u7528\uff0c\u80fd\u4e0d\u80fd\u5220\u6389\uff0c\u5e94\u8be5\u600e\u4e48\u6cbb\u7406\uff09\uff0c\u8fd9\u662f\u6570\u636e\u6e56\u9762\u4e34\u7684\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u7b2c\u4e94\u4e2a\u7ef4\u5ea6\uff0c\u800c\u6570\u636e\u4ed3\u5e93\u5728\u628a\u6570\u636e\u4e0a\u4f20\u4e4b\u524d\u8981\u4e8b\u5148\u5efa\u6a21\uff0c\u800c\u4e14\u5927\u591a\u6570\u6570\u636e\u4ed3\u5e93\u5efa\u7acb\u4e4b\u521d\u8981\u6709\u4e00\u4e2a\u6709\u5173\u6574\u4f53\u6570\u636e\u6a21\u578b\u7684\u9876\u5c42\u8bbe\u8ba1\uff0c\u6240\u4ee5\u6570\u636e\u4ed3\u5e93\u7684\u542f\u52a8\u7684\u6210\u672c\u5f88\u9ad8\u3002\u4f46\u662f\u8fd9\u79cd\u5f88\u597d\u7684\u9876\u8bbe\u89c4\u5212\uff0c\u4f1a\u4f7f\u6570\u636e\u4ed3\u5e93\u5728\u65e5\u540e\u6269\u5c55\u65f6\u7684\u8fd0\u7ef4\u548c\u7ba1\u7406\u6210\u672c\u53d8\u5f97\u66f4\u4f4e\uff0c\u4f7f\u5f97\u5b83\u957f\u7ebf\u7684\u6210\u672c\u4f18\u52bf\u53d8\u5f97\u975e\u5e38\u660e\u663e\u3002\u4ece\u8fd9\u4e2a\u5c42\u9762\u770b\uff0c\u6570\u636e\u4ed3\u5e93\u7684\u6570\u636e\u8d28\u91cf\u9ad8\uff0c\u4e5f\u5bb9\u6613\u7ba1\u7406\u548c\u6cbb\u7406\uff0c\u6570\u636e\u6e56\u76f8\u5bf9\u96be\u4e00\u4e9b\u3002<\/p>\n<p>\u4ece\u4e0a\u8ff0\u4e94\u4e2a\u5bf9\u6bd4\u7ef4\u5ea6\u53bb\u770b\u6570\u636e\u6e56\u548c\u6570\u636e\u4ed3\u5e93\uff0c\u8fd9\u4e24\u4e2a\u4f53\u7cfb\u53ef\u4ee5\u8bf4\u662f\u786c\u5e01\u7684\u4e24\u4e2a\u9762\u3002\u73b0\u5728\u5f88\u591a\u5382\u5546\u5f00\u59cb\u8003\u8651\u600e\u4e48\u5728\u6570\u636e\u6e56\u4e0a\u5e94\u7528\u66f4\u591a\u6570\u636e\u4ed3\u5e93\u6280\u672f\uff0c\u53cd\u8fc7\u6765\u6570\u636e\u4ed3\u5e93\u5382\u5546\u4e5f\u5e0c\u671b\u7528\u6570\u636e\u6e56\u7684\u6280\u672f\u4f7f\u81ea\u5df1\u66f4\u5f00\u653e\uff0c\u8fd9\u4e24\u4e2a\u6280\u672f\u5728\u4e92\u76f8\u5b66\u4e60\u548c\u878d\u5408\uff0c\u6700\u7ec8\u50ac\u751f\u4e86\u4e00\u4e2a\u65b0\u7684\u6280\u672f\u70ed\u70b9\uff0c\u4e5f\u5c31\u662f\u6e56\u4ed3\u4e00\u4f53\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\u6e56\u4ed3\u4e00\u4f53\u6709\u4e24\u4e2a\u6d41\u6d3e\uff0c\u7b2c\u4e00\u4e2a\u6d41\u6d3e\u662f\u4ee5\u6570\u4ed3\u8fd9\u79cd\u65b9\u5f0f\u8bde\u751f\u7684\uff0c\u5b83\u662f\u4e00\u4e2a\u5de6\u53f3\u6d3e\uff0c\u5de6\u8fb9\u662f\u4e00\u4e2a\u6570\u636e\u4ed3\u5e93\uff0c\u53f3\u8fb9\u662f\u4e00\u4e2a\u6570\u636e\u6e56\uff0c\u4e2d\u95f4\u4ee5\u9ad8\u901f\u7f51\u7edc\u76f8\u8fde\u5f62\u6210\u4e00\u4e2a\u53cd\u5bf9\u5f0f\u7684\u8054\u52a8\uff1b\u7b2c\u4e8c\u4e2a\u6d41\u6d3e\u662f\u4ece\u6570\u636e\u6e56\u5411\u6570\u4ed3\u6f14\u8fdb\uff0c\u6574\u4f53\u67b6\u6784\u662f\u5728\u6570\u636e\u6e56\u4e0a\u642d\u5efa\u6570\u636e\u4ed3\u5e93\u3002\u8fd9\u4e24\u4e2a\u6d41\u6d3e\u7684\u4ee3\u8868\u5206\u522b\u662fAWS Redshift\/\u963f\u91cc\u4e91MaxCompute\uff0c\u4ee5\u53caDatabricks\uff0c\u76ee\u524d\u8fd9\u4e24\u4e2a\u6d41\u6d3e\u90fd\u8fd8\u5728\u53d1\u5c55\u4e2d\u3002<\/p>\n<p>\u867d\u7136\u6e56\u4ed3\u4e00\u4f53\u662f\u76ee\u524d\u7684\u70ed\u70b9\uff0c\u4f46\u5b83\u4ecd\u7136\u662f\u4e00\u4e2a\u65b0\u5174\u65b9\u5411\uff0c\u8fd8\u6709\u975e\u5e38\u591a\u672a\u77e5\u7684\u95ee\u9898\u8981\u89e3\u51b3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u7b2c\u4e00\u4e2a\u7ef4\u5ea6\u662f\u65b9\u6cd5\u8bba\uff0c\u6570\u636e\u6e56\u5176\u5b9e\u662f\u4e00\u4e2a\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\uff0c\u7528\u6237\u53ef\u4ee5\u5f80\u91cc\u9762\u653e\u4efb\u4f55\u4e00\u79cd\u6587\u4ef6\u6216\u8005\u6570\u636e\uff0c\u5b83\u7684\u4e00\u4e2a &hellip; <a href=\"http:\/\/blog.langmanezhuang.com\/index.php\/2022\/01\/16\/%e6%95%b0%e6%8d%ae%e6%b9%96%e4%b8%8e%e6%95%b0%e4%bb%93%e6%8a%80%e6%9c%af%e4%bc%98%e5%8a%bf%e5%af%b9%e6%af%94\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u6570\u636e\u6e56\u4e0e\u6570\u4ed3\u6280\u672f\u4f18\u52bf\u5bf9\u6bd4<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts\/839"}],"collection":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/comments?post=839"}],"version-history":[{"count":0,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts\/839\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/media?parent=839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/categories?post=839"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/tags?post=839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}