{"id":2487,"date":"2025-03-09T09:32:19","date_gmt":"2025-03-09T01:32:19","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2487"},"modified":"2025-03-09T13:04:44","modified_gmt":"2025-03-09T05:04:44","slug":"mongodb-%e9%ab%98%e7%ba%a7%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/09\/mongodb-%e9%ab%98%e7%ba%a7%e7%b4%a2%e5%bc%95\/","title":{"rendered":"MongoDB \u9ad8\u7ea7\u7d22\u5f15"},"content":{"rendered":"\n<p>MongoDB \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7d22\u5f15\u529f\u80fd\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u9664\u4e86\u57fa\u672c\u7684\u5355\u5b57\u6bb5\u7d22\u5f15\u548c\u590d\u5408\u7d22\u5f15\u4e4b\u5916\uff0cMongoDB \u8fd8\u652f\u6301\u4e00\u7cfb\u5217\u9ad8\u7ea7\u7d22\u5f15\u7c7b\u578b\uff0c\u7528\u4e8e\u4f18\u5316\u4e0d\u540c\u7684\u67e5\u8be2\u573a\u666f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. \u552f\u4e00\u7d22\u5f15\uff08Unique Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u552f\u4e00\u7d22\u5f15\u7528\u4e8e\u786e\u4fdd\u5b57\u6bb5\u503c\u7684\u552f\u4e00\u6027\uff0c\u7c7b\u4f3c\u4e8e SQL \u7684 <code>UNIQUE<\/code> \u7ea6\u675f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u552f\u4e00\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex({ email: 1 }, { unique: true })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u786e\u4fdd <code>email<\/code> \u5b57\u6bb5\u7684\u503c\u5728\u96c6\u5408\u4e2d\u662f\u552f\u4e00\u7684\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u63d2\u5165\u91cd\u590d\u503c\uff0cMongoDB \u5c06\u62a5\u9519\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5220\u9664\u552f\u4e00\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.dropIndex(\"email_1\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. \u90e8\u5206\u7d22\u5f15\uff08Partial Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u90e8\u5206\u7d22\u5f15\u4ec5\u5bf9\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u6587\u6863\u5efa\u7acb\u7d22\u5f15\uff0c\u51cf\u5c11\u7d22\u5f15\u5927\u5c0f\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u4ec5\u7d22\u5f15 <code>status<\/code> \u4e3a &#8220;active&#8221; \u7684\u7528\u6237<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex(\n  { lastLogin: 1 },\n  { partialFilterExpression: { status: \"active\" } }\n)<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ec5\u5bf9 <code>status<\/code> \u4e3a <code>\"active\"<\/code> \u7684\u6587\u6863\u521b\u5efa\u7d22\u5f15\uff0c\u51cf\u5c11\u7d22\u5f15\u5b58\u50a8\u5360\u7528\u3002<\/li>\n\n\n\n<li>\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u9002\u7528\u4e8e\u67e5\u8be2\u67d0\u4e9b\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u6863\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. \u7a00\u758f\u7d22\u5f15\uff08Sparse Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u7a00\u758f\u7d22\u5f15\u53ea\u7d22\u5f15<strong>\u5305\u542b\u6307\u5b9a\u5b57\u6bb5<\/strong>\u7684\u6587\u6863\uff0c\u672a\u5305\u542b\u8be5\u5b57\u6bb5\u7684\u6587\u6863\u4e0d\u4f1a\u88ab\u7d22\u5f15\uff0c\u4ece\u800c\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa <code>phone<\/code> \u5b57\u6bb5\u7684\u7a00\u758f\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex({ phone: 1 }, { sparse: true })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ec5\u5bf9 <code>phone<\/code> \u5b57\u6bb5\u5b58\u5728\u7684\u6587\u6863\u5efa\u7acb\u7d22\u5f15\uff0c\u51cf\u5c11\u7d22\u5f15\u5927\u5c0f\u3002<\/li>\n\n\n\n<li>\u67e5\u8be2 <code>phone<\/code> \u7684\u65f6\u5019\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\uff0c\u4f46\u67e5\u8be2 <code>phone: null<\/code> \u65f6\u4e0d\u4f1a\u8d70\u7d22\u5f15\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. \u590d\u5408\u7d22\u5f15\uff08Compound Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u590d\u5408\u7d22\u5f15\u7528\u4e8e\u591a\u4e2a\u5b57\u6bb5\u7684\u7ec4\u5408\u67e5\u8be2\uff0c\u4f18\u5316\u590d\u5408\u6761\u4ef6\u67e5\u8be2\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa <code>age<\/code> \u548c <code>city<\/code> \u590d\u5408\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex({ age: 1, city: 1 })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u4f18\u5316\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  db.users.find({ age: 30, city: \"New York\" })  \/\/ \u4f7f\u7528\u7d22\u5f15\n  db.users.find({ age: 30 })                    \/\/ \u4f7f\u7528\u7d22\u5f15<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f46 <strong>\u4e0d\u4f1a<\/strong> \u4f18\u5316\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  db.users.find({ city: \"New York\" })  \/\/ \u4e0d\u80fd\u5355\u72ec\u4f7f\u7528 city \u5b57\u6bb5\u7d22\u5f15<\/code><\/pre>\n\n\n\n<p><strong>\u7d22\u5f15\u524d\u7f00\u539f\u5219<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>db.users.find({ age: 30 })<\/code> <strong>\u53ef\u4ee5<\/strong> \u4f7f\u7528\u7d22\u5f15\uff08\u5339\u914d\u7d22\u5f15\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bb5\uff09\u3002<\/li>\n\n\n\n<li><code>db.users.find({ city: \"New York\" })<\/code> <strong>\u4e0d\u4f1a<\/strong> \u4f7f\u7528\u7d22\u5f15\uff08\u5fc5\u987b\u5305\u542b <code>age<\/code> \u624d\u80fd\u4f7f\u7528\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7d22\u5f15\u5b57\u6bb5\u7684\u987a\u5e8f\u5f88\u91cd\u8981<\/strong>\uff0c\u5982\u679c\u67e5\u8be2\u7ecf\u5e38\u7528 <code>city<\/code> \u4f5c\u4e3a\u9996\u8981\u67e5\u8be2\u6761\u4ef6\uff0c\u5219\u5e94\u8be5\u521b\u5efa <code>{ city: 1, age: 1 }<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. \u6587\u5b57\u7d22\u5f15\uff08Text Index\uff09<\/strong><\/h2>\n\n\n\n<p>MongoDB \u63d0\u4f9b\u5168\u6587\u7d22\u5f15\uff0c\u7528\u4e8e\u9ad8\u6548\u5730\u8fdb\u884c\u6587\u672c\u641c\u7d22\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.articles.createIndex({ content: \"text\" })<\/code><\/pre>\n\n\n\n<p><strong>\u67e5\u8be2\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>db.articles.find({ $text: { $search: \"MongoDB\" } })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5141\u8bb8\u5feb\u901f\u641c\u7d22\u5305\u542b &#8220;MongoDB&#8221; \u5173\u952e\u8bcd\u7684\u6587\u6863\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u6587\u7ae0\u3001\u535a\u5ba2\u7b49\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u54c8\u5e0c\u7d22\u5f15\uff08Hashed Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u54c8\u5e0c\u7d22\u5f15\u7528\u4e8e\u4f18\u5316\u57fa\u4e8e <code>_id<\/code> \u6216\u968f\u673a\u5b57\u6bb5\u7684\u67e5\u8be2\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa\u54c8\u5e0c\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex({ userId: \"hashed\" })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9002\u7528\u4e8e\u7b49\u503c\u67e5\u8be2\uff0c\u5982 <code>db.users.find({ userId: \"abc123\" })<\/code>\u3002<\/li>\n\n\n\n<li>\u4e0d\u80fd\u7528\u4e8e\u8303\u56f4\u67e5\u8be2\uff08<code>$gt<\/code>\u3001<code>$lt<\/code> \u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. \u5730\u7406\u7a7a\u95f4\u7d22\u5f15\uff08Geospatial Index\uff09<\/strong><\/h2>\n\n\n\n<p>MongoDB \u652f\u6301 <code>2dsphere<\/code> \u548c <code>2d<\/code> \u7d22\u5f15\uff0c\u7528\u4e8e\u5904\u7406\u5730\u7406\u5750\u6807\u67e5\u8be2\uff0c\u5982<strong>\u67e5\u627e\u9644\u8fd1\u7684\u5546\u5e97\u3001\u7528\u6237\u7b49<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa 2dsphere \u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.places.createIndex({ location: \"2dsphere\" })<\/code><\/pre>\n\n\n\n<p><strong>\u67e5\u8be2\u9644\u8fd1\u7684\u4f4d\u7f6e<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>db.places.find({\n  location: {\n    $near: {\n      $geometry: { type: \"Point\", coordinates: &#91;40.7128, -74.0060] },\n      $maxDistance: 5000  \/\/ 5\u516c\u91cc\u8303\u56f4\u5185\n    }\n  }\n})<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9002\u7528\u4e8e GPS \u4f4d\u7f6e\u67e5\u8be2\uff0c\u5982\u67e5\u627e\u9644\u8fd1\u7684\u9910\u9986\u3001ATM\u3001\u5546\u5e97\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. TTL\uff08Time-To-Live\uff09\u7d22\u5f15<\/strong><\/h2>\n\n\n\n<p>TTL \u7d22\u5f15\u7528\u4e8e<strong>\u81ea\u52a8\u5220\u9664\u8fc7\u671f\u6570\u636e<\/strong>\uff0c\u5e38\u89c1\u4e8e\u65e5\u5fd7\u3001\u4e34\u65f6\u6570\u636e\u5b58\u50a8\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa TTL \u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.sessions.createIndex({ createdAt: 1 }, { expireAfterSeconds: 3600 })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u6863\u5728 <code>createdAt<\/code> \u5b57\u6bb5\u521b\u5efa 1 \u5c0f\u65f6\uff083600 \u79d2\uff09\u540e\u81ea\u52a8\u5220\u9664\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u4f1a\u8bdd\u7ba1\u7406\u3001\u7f13\u5b58\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. \u8986\u76d6\u7d22\u5f15\uff08Covered Query\uff09<\/strong><\/h2>\n\n\n\n<p>\u5982\u679c\u4e00\u4e2a\u67e5\u8be2\u7684<strong>\u6240\u6709\u5b57\u6bb5<\/strong>\u90fd\u5728\u7d22\u5f15\u4e2d\uff0c\u5219\u79f0\u4e3a<strong>\u8986\u76d6\u67e5\u8be2<\/strong>\uff0cMongoDB \u53ea\u9700\u4ece\u7d22\u5f15\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u65e0\u9700\u8bbf\u95ee\u78c1\u76d8\u4e2d\u7684\u6587\u6863\uff0c\u6781\u5927\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u521b\u5efa\u590d\u5408\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.createIndex({ name: 1, age: 1 })<\/code><\/pre>\n\n\n\n<p><strong>\u67e5\u8be2\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7d22\u5f15\u8986\u76d6<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>db.users.find({ name: \"Alice\" }, { name: 1, age: 1, _id: 0 })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u67e5\u8be2\u7684 <code>name<\/code> \u548c <code>age<\/code> \u90fd\u5728\u7d22\u5f15\u4e2d\uff0c\u4e14\u67e5\u8be2\u4e0d\u5305\u542b\u989d\u5916\u5b57\u6bb5\uff0c\u56e0\u6b64\u662f\u8986\u76d6\u67e5\u8be2\uff0c\u6027\u80fd\u66f4\u4f18\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. \u591a\u952e\u7d22\u5f15\uff08Multikey Index\uff09<\/strong><\/h2>\n\n\n\n<p>\u591a\u952e\u7d22\u5f15\u7528\u4e8e\u6570\u7ec4\u5b57\u6bb5\uff0c\u4f7f\u5f97\u67e5\u8be2\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u66f4\u9ad8\u6548\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u6570\u7ec4\u5b57\u6bb5\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>db.products.createIndex({ tags: 1 })<\/code><\/pre>\n\n\n\n<p><strong>\u67e5\u8be2<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>db.products.find({ tags: \"electronics\" })<\/code><\/pre>\n\n\n\n<p><strong>\u4f5c\u7528<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5141\u8bb8\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5efa\u7acb\u7d22\u5f15\uff0c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u7d22\u5f15\u7c7b\u578b<\/strong><\/th><th><strong>\u4f5c\u7528<\/strong><\/th><th><strong>\u9002\u7528\u573a\u666f<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u552f\u4e00\u7d22\u5f15<\/strong><\/td><td>\u786e\u4fdd\u5b57\u6bb5\u503c\u552f\u4e00<\/td><td>\u552f\u4e00\u7528\u6237\u6807\u8bc6\uff08email\u3001username\uff09<\/td><\/tr><tr><td><strong>\u90e8\u5206\u7d22\u5f15<\/strong><\/td><td>\u4ec5\u7d22\u5f15\u7b26\u5408\u6761\u4ef6\u7684\u6587\u6863<\/td><td>\u8fc7\u6ee4\u7279\u5b9a\u6761\u4ef6\u7684\u6587\u6863<\/td><\/tr><tr><td><strong>\u7a00\u758f\u7d22\u5f15<\/strong><\/td><td>\u4ec5\u7d22\u5f15\u5305\u542b\u5b57\u6bb5\u7684\u6587\u6863<\/td><td>\u53ef\u9009\u5b57\u6bb5<\/td><\/tr><tr><td><strong>\u590d\u5408\u7d22\u5f15<\/strong><\/td><td>\u591a\u5b57\u6bb5\u67e5\u8be2\u4f18\u5316<\/td><td>\u7ec4\u5408\u67e5\u8be2<\/td><\/tr><tr><td><strong>\u6587\u672c\u7d22\u5f15<\/strong><\/td><td>\u6587\u672c\u641c\u7d22<\/td><td>\u6587\u7ae0\u3001\u535a\u5ba2\u3001\u8bc4\u8bba<\/td><\/tr><tr><td><strong>\u54c8\u5e0c\u7d22\u5f15<\/strong><\/td><td>\u5feb\u901f\u7b49\u503c\u67e5\u8be2<\/td><td><code>_id<\/code>\u3001\u552f\u4e00\u6807\u8bc6\u5b57\u6bb5<\/td><\/tr><tr><td><strong>\u5730\u7406\u7d22\u5f15<\/strong><\/td><td>\u4f4d\u7f6e\u67e5\u8be2<\/td><td>\u67e5\u627e\u9644\u8fd1\u5730\u70b9<\/td><\/tr><tr><td><strong>TTL \u7d22\u5f15<\/strong><\/td><td>\u81ea\u52a8\u5220\u9664\u8fc7\u671f\u6570\u636e<\/td><td>\u4f1a\u8bdd\u3001\u65e5\u5fd7<\/td><\/tr><tr><td><strong>\u8986\u76d6\u7d22\u5f15<\/strong><\/td><td>\u67e5\u8be2\u4ec5\u4f7f\u7528\u7d22\u5f15<\/td><td>\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd<\/td><\/tr><tr><td><strong>\u591a\u952e\u7d22\u5f15<\/strong><\/td><td>\u6570\u7ec4\u5b57\u6bb5\u7d22\u5f15<\/td><td>\u6807\u7b7e\u3001\u5206\u7c7b\u3001\u5174\u8da3\u6807\u7b7e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7d22\u5f15\u529f\u80fd\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u9664\u4e86\u57fa\u672c\u7684\u5355\u5b57\u6bb5\u7d22\u5f15\u548c\u590d\u5408\u7d22\u5f15\u4e4b\u5916\uff0cMongoDB \u8fd8\u652f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2543,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-2487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mongodb"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2487"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2487\/revisions"}],"predecessor-version":[{"id":2488,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2487\/revisions\/2488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2543"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}