{"id":33964,"date":"2026-11-09T18:00:00","date_gmt":"2026-11-09T10:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33964"},"modified":"2026-10-30T15:37:50","modified_gmt":"2026-10-30T07:37:50","slug":"mysql-mysqldump-single-db-restore-guide","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/mysql-mysqldump-single-db-restore-guide\/","title":{"rendered":"MySQL \u5907\u4efd\u6062\u590d\u6f14\u7ec3\uff1a\u4ece mysqldump \u6587\u4ef6\u5b8c\u6574\u8fd8\u539f\u5355\u5e93\u7684\u6b65\u9aa4"},"content":{"rendered":"<p>\u6570\u636e\u5e93\u51fa\u95ee\u9898\u65f6\u624d\u53d1\u73b0\u5907\u4efd\u6062\u590d\u4e0d\u4e86\uff0c\u662f\u8fd0\u7ef4\u4e2d\u6700\u6602\u8d35\u7684\u4e00\u79cd\u6559\u8bad\u3002\u5f88\u591a\u7ad9\u957f\u4f1a\u5b9a\u671f\u6267\u884c mysqldump \u5907\u4efd\uff0c\u5374\u4ece\u672a\u9a8c\u8bc1\u8fc7\u8fd9\u4e9b <code>.sql<\/code> \u6587\u4ef6\u662f\u5426\u771f\u7684\u80fd\u8fd8\u539f\u51fa\u4e00\u4e2a\u53ef\u7528\u7684\u5e93\u3002\u8fd9\u7bc7\u6587\u7ae0\u89e3\u51b3\u7684\u5c31\u662f\u8fd9\u4e2a\u95ee\u9898\uff1a\u5982\u4f55\u7528\u4e00\u4efd\u73b0\u6210\u7684 mysqldump \u5907\u4efd\u6587\u4ef6\uff0c\u5b8c\u6574\u5730\u8fd8\u539f\u51fa\u5355\u4e2a\u6570\u636e\u5e93\uff0c\u5e76\u5728\u6f14\u7ec3\u4e2d\u786e\u8ba4\u6570\u636e\u6ca1\u6709\u4e22\u5931\u3002\u540c\u6837\u7684\u6062\u590d\u601d\u8def\u4e5f\u9002\u7528\u4e8e\u6570\u636e\u5e93\u88ab\u8bef\u5220\u3001\u8bef\u6267\u884c UPDATE \u540e\u9700\u8981\u56de\u6eda\u5230\u5907\u4efd\u65f6\u70b9\u7684\u573a\u666f\u3002<\/p>\n<p>\u6211\u4eec\u4f1a\u6309&#8221;\u68c0\u67e5\u5907\u4efd\u6587\u4ef6 \u2192 \u51c6\u5907\u76ee\u6807\u5e93 \u2192 \u6267\u884c\u5bfc\u5165 \u2192 \u6821\u9a8c\u7ed3\u679c&#8221;\u7684\u987a\u5e8f\u8d70\u5b8c\u6574\u4e2a\u6062\u590d\u6f14\u7ec3\u3002\u6bcf\u4e00\u6b65\u90fd\u7ed9\u51fa\u53ef\u76f4\u63a5\u6267\u884c\u7684\u547d\u4ee4\u548c\u5224\u65ad\u6807\u51c6\uff0c\u770b\u5b8c\u540e\u4f60\u53ef\u4ee5\u7167\u7740\u5728\u81ea\u5df1\u7684\u670d\u52a1\u5668\u4e0a\u505a\u4e00\u6b21\u5b8c\u6574\u6f14\u7ec3\uff0c\u628a&#8221;\u6709\u5907\u4efd&#8221;\u53d8\u6210&#8221;\u80fd\u6062\u590d&#8221;\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mysql-mysqldump-restore-cover.webp\" alt=\"MySQL \u5907\u4efd\u6062\u590d\u6f14\u7ec3\uff1a\u5907\u4efd\u6587\u4ef6\u7ecf\u8fd8\u539f\u6d41\u7a0b\u5199\u56de\u5355\u4e2a\u6570\u636e\u5e93\" loading=\"lazy\" \/><\/p>\n<h2>\u6062\u590d\u6f14\u7ec3\u524d\u7684\u51c6\u5907\uff1a\u786e\u8ba4\u5907\u4efd\u6587\u4ef6\u53ef\u7528<\/h2>\n<p>\u62ff\u5230\u4e00\u4efd <code>.sql<\/code> \u5907\u4efd\u6587\u4ef6\u540e\uff0c\u4e0d\u8981\u76f4\u63a5\u5bfc\u5165\uff0c\u5148\u7528\u51e0\u5206\u949f\u786e\u8ba4\u5b83\u6709\u6ca1\u6709\u88ab\u622a\u65ad\u6216\u635f\u574f\u3002\u5927\u91cf&#8221;\u5bfc\u5165\u5230\u4e00\u534a\u5931\u8d25&#8221;\u7684\u6848\u4f8b\uff0c\u95ee\u9898\u90fd\u51fa\u5728\u5907\u4efd\u6587\u4ef6\u672c\u8eab\uff0c\u800c\u4e0d\u662f\u8fd8\u539f\u547d\u4ee4\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\u770b\u6587\u4ef6\u5927\u5c0f\u548c\u7ed3\u5c3e\u5b8c\u6574\u6027\uff1a<\/p>\n<pre><code class=\"language-bash\">ls -lh backup_20260629.sql\ntail -n 3 backup_20260629.sql\n<\/code><\/pre>\n<p>\u4e00\u4efd\u5b8c\u6574\u7684 mysqldump \u6587\u4ef6\uff0c\u7ed3\u5c3e\u901a\u5e38\u662f <code>-- Dump completed on 2026-06-29 03:00:02<\/code> \u8fd9\u6837\u7684\u5b8c\u6210\u6807\u8bb0\u3002\u5982\u679c <code>tail<\/code> \u770b\u4e0d\u5230\u8fd9\u884c\uff0c\u8bf4\u660e\u5907\u4efd\u5728\u751f\u6210\u65f6\u88ab\u6253\u65ad\uff0c\u8fd9\u4efd\u6587\u4ef6\u5927\u6982\u7387\u4e0d\u5b8c\u6574\uff0c\u5fc5\u987b\u91cd\u65b0\u5907\u4efd\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\u786e\u8ba4\u6587\u4ef6\u91cc\u786e\u5b9e\u5305\u542b\u76ee\u6807\u5e93\u7684\u6570\u636e\u3002\u7528 <code>grep<\/code> \u62bd\u67e5\u5efa\u8868\u8bed\u53e5\u6570\u91cf\uff1a<\/p>\n<pre><code class=\"language-bash\">grep -c &quot;CREATE TABLE&quot; backup_20260629.sql\n<\/code><\/pre>\n<p>\u628a\u5f97\u5230\u7684\u6570\u5b57\u548c\u7ebf\u4e0a\u8be5\u5e93\u7684\u8868\u6570\u91cf\u5bf9\u6bd4\uff0c\u4e24\u8005\u4e00\u81f4\u624d\u7ee7\u7eed\u3002\u5982\u679c\u5907\u4efd\u662f\u7528 <code>--all-databases<\/code> \u751f\u6210\u7684\u6574\u5b9e\u4f8b\u5907\u4efd\uff0c\u8fd8\u8981\u786e\u8ba4\u6587\u4ef6\u91cc\u5305\u542b <code>USE \\<\/code>\u76ee\u6807\u5e93\u540d`;<code>\u6216<\/code>CREATE DATABASE` \u8bed\u53e5\uff0c\u8fd9\u51b3\u5b9a\u4e86\u540e\u9762\u5bfc\u5165\u65f6\u7684\u5e93\u540d\u53c2\u6570\u600e\u4e48\u5199\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\u68c0\u67e5 MySQL \u7248\u672c\u517c\u5bb9\u6027\u3002\u7528 <code>head -n 30<\/code> \u67e5\u770b\u5907\u4efd\u5934\u90e8\u7684 <code>Server version<\/code> \u6ce8\u91ca\uff0c\u786e\u8ba4\u5907\u4efd\u6765\u6e90\u7248\u672c\u4e0d\u9ad8\u4e8e\u76ee\u6807\u670d\u52a1\u5668\u7684\u7248\u672c\u3002\u9ad8\u7248\u672c\u5bfc\u51fa\u7684\u5907\u4efd\u5bfc\u5165\u4f4e\u7248\u672c\u65f6\uff0c\u53ef\u80fd\u9047\u5230\u4e0d\u652f\u6301\u7684\u5b57\u7b26\u96c6\u6216\u8bed\u6cd5\uff0c\u8fd9\u7c7b\u95ee\u9898\u5728\u5bfc\u5165\u5230\u4e00\u534a\u65f6\u624d\u62a5\u9519\uff0c\u6392\u67e5\u6210\u672c\u5f88\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mysql-mysqldump-restore-flow.webp\" alt=\"mysqldump \u5355\u5e93\u8fd8\u539f\u56db\u6b65\u6d41\u7a0b\" loading=\"lazy\" \/><\/p>\n<h2>\u521b\u5efa\u76ee\u6807\u5e93\u5e76\u6267\u884c\u5355\u5e93\u5bfc\u5165<\/h2>\n<p>\u5907\u4efd\u68c0\u67e5\u901a\u8fc7\u540e\uff0c\u5c31\u53ef\u4ee5\u51c6\u5907\u76ee\u6807\u5e93\u3002\u6f14\u7ec3\u65f6\u5efa\u8bae\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u64cd\u4f5c\uff0c\u4e0d\u8981\u76f4\u63a5\u8986\u76d6\u751f\u4ea7\u5e93\u3002<\/p>\n<p>\u767b\u5f55 MySQL \u521b\u5efa\u4e00\u4e2a\u7a7a\u5e93\uff0c\u5b57\u7b26\u96c6\u8981\u548c\u5907\u4efd\u6765\u6e90\u4e00\u81f4\uff1a<\/p>\n<pre><code class=\"language-sql\">CREATE DATABASE shop_db DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u786e\u5b9a\u539f\u5e93\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u5728\u5907\u4efd\u6587\u4ef6\u5934\u90e8\u641c <code>CHARSET<\/code> \u5173\u952e\u5b57\uff0c\u6216\u8005\u7528 <code>grep -m1 \"CHARACTER SET\" backup_20260629.sql<\/code> \u5feb\u901f\u5b9a\u4f4d\uff0c\u907f\u514d\u5bfc\u5165\u540e\u51fa\u73b0\u4e71\u7801\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u6267\u884c\u6838\u5fc3\u7684\u5bfc\u5165\u547d\u4ee4\u3002\u6574\u5e93\u5907\u4efd\u6587\u4ef6\u8fd8\u539f\u5355\u5e93\u65f6\uff0c\u7528 <code>mysql<\/code> \u547d\u4ee4\u76f4\u63a5\u6307\u5b9a\u5e93\u540d\u5373\u53ef\uff1a<\/p>\n<pre><code class=\"language-bash\">mysql -u admin -p --default-character-set=utf8mb4 shop_db &lt; backup_20260629.sql\n<\/code><\/pre>\n<p>\u8fd9\u91cc\u6709\u4e24\u4e2a\u5173\u952e\u53c2\u6570\u3002<code>--default-character-set=utf8mb4<\/code> \u4fdd\u8bc1\u5bfc\u5165\u8fc7\u7a0b\u4e0d\u56e0\u5b57\u7b26\u96c6\u8f6c\u6362\u4e22\u6570\u636e\uff1b\u5e93\u540d <code>shop_db<\/code> \u4f1a\u8ba9 MySQL \u53ea\u628a\u5907\u4efd\u4e2d\u5c5e\u4e8e\u8be5\u5e93\u7684\u8bed\u53e5\u5e94\u7528\u5230\u8fd9\u4e2a\u5e93\u3002\u5982\u679c\u5907\u4efd\u662f\u591a\u5e93\u5408\u5e76\u6587\u4ef6\u800c\u4f60\u53ea\u60f3\u62bd\u53d6\u5176\u4e2d\u4e00\u90e8\u5206\u8868\uff0c\u53ef\u4ee5\u5148\u7528 <code>sed<\/code> \u6216 <code>awk<\/code> \u6309 <code>USE<\/code> \u8bed\u53e5\u5207\u5206\u51fa\u5355\u5e93\u6bb5\u843d\u518d\u5bfc\u5165\uff0c\u907f\u514d\u628a\u65e0\u5173\u6570\u636e\u5199\u8fdb\u6f14\u7ec3\u5e93\u3002<\/p>\n<p>\u5bfc\u5165\u5927\u6587\u4ef6\u65f6\u5efa\u8bae\u914d\u5408 <code>nohup<\/code> \u6216 <code>screen<\/code> \u6267\u884c\u3002\u4e00\u4e2a 2GB \u7684\u5907\u4efd\u6587\u4ef6\u5728\u666e\u901a <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08Virtual Private Server\uff0c<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u4e0a\u5bfc\u5165\u53ef\u80fd\u9700\u8981 20 \u5206\u949f\u4ee5\u4e0a\uff0cSSH \u65ad\u7ebf\u4f1a\u5bfc\u81f4\u5bfc\u5165\u4e2d\u65ad\u3002\u6267\u884c\u671f\u95f4\u53ef\u4ee5\u901a\u8fc7 <code>SHOW PROCESSLIST;<\/code> \u89c2\u5bdf\u5bfc\u5165\u8fdb\u5ea6\uff0c\u51fa\u73b0 <code>Sleep<\/code> \u4e4b\u5916\u7684\u67e5\u8be2\u5c31\u8bf4\u660e\u8fd8\u5728\u6b63\u5e38\u5199\u5165\u3002<\/p>\n<p>\u8fd9\u91cc\u5c55\u5f00\u8bf4\u4e00\u4e0b\u5bb9\u6613\u5ffd\u7565\u7684\u6743\u9650\u7ec6\u8282\uff1a\u6267\u884c\u5bfc\u5165\u7684\u8d26\u53f7\u81f3\u5c11\u9700\u8981\u76ee\u6807\u5e93\u7684 <code>CREATE<\/code>\u3001<code>INSERT<\/code>\u3001<code>DROP<\/code>\u3001<code>ALTER<\/code> \u6743\u9650\u3002\u5982\u679c mysqldump \u5907\u4efd\u91cc\u5e26\u4e86 <code>DROP TABLE<\/code> \u8bed\u53e5\uff08\u9ed8\u8ba4\u884c\u4e3a\uff09\uff0c\u800c\u8d26\u53f7\u53ea\u6709 <code>INSERT<\/code> \u6743\u9650\uff0c\u5bfc\u5165\u4f1a\u5728\u7b2c\u4e00\u5f20\u8868\u5c31\u5931\u8d25\u3002\u6f14\u7ec3\u7528\u7684\u8d26\u53f7\u53ef\u4ee5\u76f4\u63a5\u7528 root\uff0c\u4f46\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u4e3a\u6062\u590d\u64cd\u4f5c\u51c6\u5907\u4e00\u4e2a\u6743\u9650\u660e\u786e\u7684\u4e13\u7528\u8d26\u53f7\uff0c\u5e76\u5728\u6f14\u7ec3\u65f6\u9a8c\u8bc1\u5b83\u771f\u7684\u591f\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mysql-restore-single-vs-full.webp\" alt=\"\u5355\u5e93\u9009\u62e9\u6027\u8fd8\u539f\u4e0e\u6574\u5e93\u8986\u76d6\u8fd8\u539f\u7684\u5bf9\u6bd4\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u8fd8\u539f\u540e\u7684\u9a8c\u8bc1\uff1a\u786e\u8ba4\u6570\u636e\u771f\u7684\u56de\u6765\u4e86<\/h2>\n<p>\u5bfc\u5165\u547d\u4ee4\u6b63\u5e38\u9000\u51fa\u4e0d\u7b49\u4e8e\u6062\u590d\u6210\u529f\uff0c\u5fc5\u987b\u505a\u4e09\u7c7b\u6821\u9a8c\u3002\u8fd9\u4e00\u6b65\u662f\u6574\u4e2a\u6f14\u7ec3\u7684\u6838\u5fc3\u4ef7\u503c\uff1a\u53ea\u6709\u9a8c\u8bc1\u8fc7\u7684\u5907\u4efd\u624d\u7b97\u6570\u3002<\/p>\n<p>\u7b2c\u4e00\u7c7b\u6821\u9a8c\u8868\u7ed3\u6784\u5b8c\u6574\u6027\u3002\u5bf9\u6bd4\u5e93\u4e2d\u8868\u7684\u6570\u91cf\u548c\u5907\u4efd\u6587\u4ef6\u4e2d <code>CREATE TABLE<\/code> \u7684\u6570\u91cf\uff1a<\/p>\n<pre><code class=\"language-sql\">USE shop_db;\nSHOW TABLES;\n<\/code><\/pre>\n<p>\u6570\u51fa\u6765\u7684\u8868\u6570\u91cf\u5982\u679c\u548c\u9884\u671f\u4e0d\u7b26\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7528 <code>SHOW CREATE TABLE \u8868\u540d;<\/code> \u62bd\u67e5\u5173\u952e\u8868\u7684\u7ed3\u6784\u5b9a\u4e49\u662f\u5426\u548c\u7ebf\u4e0a\u7248\u672c\u4e00\u81f4\u3002\u5982\u679c\u5dee\u5f02\u96c6\u4e2d\u5728\u5c11\u6570\u51e0\u5f20\u8868\uff0c\u901a\u5e38\u662f\u5907\u4efd\u751f\u6210\u540e\u53c8\u6709\u65b0\u8868\u4e0a\u7ebf\uff0c\u5c5e\u4e8e\u5907\u4efd\u65f6\u70b9\u5dee\u5f02\uff0c\u4e0d\u662f\u8fd8\u539f\u5931\u8d25\u3002<\/p>\n<p>\u7b2c\u4e8c\u7c7b\u6821\u9a8c\u884c\u6570\u3002\u5bf9\u6838\u5fc3\u4e1a\u52a1\u8868\u6267\u884c <code>SELECT COUNT(*)<\/code>\uff0c\u548c\u6545\u969c\u524d\u6216\u5907\u4efd\u65f6\u523b\u7684\u5df2\u77e5\u884c\u6570\u5bf9\u6bd4\u3002\u4f8b\u5982\u8ba2\u5355\u8868\u5907\u4efd\u524d\u6709 58,000 \u884c\uff0c\u8fd8\u539f\u540e\u53ea\u6709 57,200 \u884c\uff0c\u5c31\u8bf4\u660e\u5907\u4efd\u548c\u6545\u969c\u65f6\u95f4\u70b9\u4e4b\u95f4\u6709\u6570\u636e\u5dee\uff0c\u8fd9\u6b63\u662f\u6f14\u7ec3\u8981\u66b4\u9732\u7684 RPO\uff08\u6062\u590d\u70b9\u76ee\u6807\uff0c\u5373\u6700\u591a\u53ef\u63a5\u53d7\u4e22\u5931\u7684\u6570\u636e\u65f6\u95f4\u8de8\u5ea6\uff09\u95ee\u9898\u2014\u2014\u4f60\u7684\u5907\u4efd\u7b56\u7565\u51b3\u5b9a\u4e86\u6700\u591a\u4f1a\u4e22\u591a\u957f\u65f6\u95f4\u7684\u6570\u636e\u3002\u5173\u4e8e\u8fd9\u7c7b\u5bb9\u91cf\u548c\u6027\u80fd\u5c42\u9762\u7684\u89c4\u5212\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u4e13\u9898<\/a>\uff0c\u5176\u4e2d\u5bf9\u6570\u636e\u5e93\u8d1f\u8f7d\u4e0e\u9875\u9762\u54cd\u5e94\u7684\u5173\u7cfb\u6709\u66f4\u7cfb\u7edf\u7684\u8ba8\u8bba\u3002<\/p>\n<p>\u7b2c\u4e09\u7c7b\u6821\u9a8c\u4e1a\u52a1\u53ef\u7528\u6027\u3002\u62bd\u6837\u6267\u884c\u51e0\u6761\u771f\u5b9e\u4e1a\u52a1\u67e5\u8be2\uff0c\u6bd4\u5982\u6700\u8fd1\u4e00\u5929\u7684\u8ba2\u5355\u660e\u7ec6\u3001\u7528\u6237\u6700\u65b0\u8d44\u6599\uff0c\u786e\u8ba4\u4e2d\u6587\u5185\u5bb9\u6ca1\u6709\u4e71\u7801\u3001\u65f6\u95f4\u5b57\u6bb5\u6b63\u786e\u3001\u5173\u8054\u67e5\u8be2\u6b63\u5e38\u3002\u5b57\u7b26\u96c6\u95ee\u9898\u5f80\u5f80\u5728\u8fd9\u4e00\u6b65\u624d\u66b4\u9732\uff1a\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u663e\u793a <code>\u00e4\u00b8\u00ad\u00e6\u2013\u2021<\/code> \u8fd9\u7c7b\u4e71\u7801\uff0c\u8bf4\u660e\u5bfc\u5165\u65f6\u7684\u5b57\u7b26\u96c6\u53c2\u6570\u548c\u5907\u4efd\u4e0d\u5339\u914d\uff0c\u9700\u8981\u6e05\u7a7a\u5e93\u540e\u52a0 <code>--default-character-set<\/code> \u91cd\u65b0\u5bfc\u5165\u3002<\/p>\n<p>\u9a8c\u8bc1\u5168\u90e8\u901a\u8fc7\u540e\uff0c\u628a\u6f14\u7ec3\u7ed3\u679c\u8bb0\u5f55\u4e0b\u6765\uff0c\u5305\u62ec\u5907\u4efd\u6587\u4ef6\u540d\u3001\u5927\u5c0f\u3001\u5bfc\u5165\u8017\u65f6\u3001\u8868\u6570\u91cf\u548c\u5173\u952e\u8868\u884c\u6570\u3002\u8fd9\u4efd\u8bb0\u5f55\u5c31\u662f\u4f60\u7684&#8221;\u6062\u590d\u80fd\u529b\u8bc1\u660e&#8221;\uff0c\u4e0b\u6b21\u771f\u51fa\u4e8b\u6545\u65f6\u53ef\u4ee5\u6309\u540c\u6837\u7684\u6d41\u7a0b\u6267\u884c\uff0c\u5fc3\u91cc\u6709\u5e95\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mysql-restore-verification.webp\" alt=\"\u8fd8\u539f\u540e\u6821\u9a8c\u6570\u636e\u5b8c\u6574\u6027\u7684\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u5355\u5e93\u8fd8\u539f\u7684\u4e09\u4e2a\u5e38\u89c1\u62a5\u9519\u4e0e\u5904\u7406\u529e\u6cd5<\/h2>\n<p>\u6f14\u7ec3\u8fc7\u7a0b\u4e2d\u6700\u5e38\u89c1\u7684\u62a5\u9519\u96c6\u4e2d\u5728\u4e09\u7c7b\uff0c\u63d0\u524d\u77e5\u9053\u5904\u7406\u529e\u6cd5\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u6392\u67e5\u65f6\u95f4\u3002<\/p>\n<p><strong>\u62a5\u9519\u4e00\uff1a<code>ERROR 1049 (42000): Unknown database 'shop_db'<\/code><\/strong>\u3002\u539f\u56e0\u662f\u76ee\u6807\u5e93\u4e0d\u5b58\u5728\u3002mysqldump \u751f\u6210\u7684\u5355\u5e93\u5907\u4efd\u9ed8\u8ba4\u4e0d\u542b <code>CREATE DATABASE<\/code> \u8bed\u53e5\uff0c\u5fc5\u987b\u5148\u624b\u52a8\u5efa\u5e93\u3002\u5982\u679c\u60f3\u7701\u6389\u8fd9\u4e00\u6b65\uff0c\u5907\u4efd\u65f6\u52a0 <code>-B<\/code> \u53c2\u6570\uff08\u5982 <code>mysqldump -B shop_db<\/code>\uff09\uff0c\u751f\u6210\u7684\u6587\u4ef6\u4f1a\u81ea\u5e26\u5efa\u5e93\u8bed\u53e5\u3002<\/p>\n<p><strong>\u62a5\u9519\u4e8c\uff1a<code>ERROR 1226 (42000): User 'admin' has exceeded the 'max_questions' resource<\/code><\/strong> \u6216\u78c1\u76d8\u5199\u6ee1\u4e2d\u65ad\u3002<a href=\"https:\/\/cn.hostease.com\/shared-hosting.html\">\u5171\u4eab\u4e3b\u673a<\/a>\u548c\u5165\u95e8\u7ea7 VPS \u5e38\u89c1\u8fd9\u7c7b\u8d44\u6e90\u9650\u5236\u3002\u5904\u7406\u529e\u6cd5\u662f\u6e05\u7406\u78c1\u76d8\u540e\u91cd\u8bd5\uff0c\u6216\u8005\u628a\u5907\u4efd\u5207\u5206\u6210\u5c0f\u6bb5\u5206\u6279\u5bfc\u5165\uff1a<code>split -l 10000 backup.sql part_<\/code> \u6309 1 \u4e07\u884c\u4e00\u6bb5\u5207\u5f00\uff0c\u9010\u6bb5 <code>mysql shop_db &lt; part_aa<\/code> \u5bfc\u5165\uff0c\u8fd8\u80fd\u987a\u4fbf\u5b9a\u4f4d\u5177\u4f53\u662f\u54ea\u4e00\u6bb5\u51fa\u9519\u3002\u66f4\u7cfb\u7edf\u7684\u4e3b\u673a\u5c42\u9762\u8c03\u4f18\u601d\u8def\uff0c\u53ef\u4ee5\u770b\u770b\u8fd9\u7bc7<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u5206\u7c7b\u6587\u7ae0<\/a>\u3002<\/p>\n<p><strong>\u62a5\u9519\u4e09\uff1a\u5bfc\u5165\u4e2d\u6587\u6570\u636e\u540e\u4e71\u7801\u3002<\/strong> \u6839\u56e0\u51e0\u4e4e\u90fd\u662f\u5b57\u7b26\u96c6\u94fe\u6761\u4e0d\u4e00\u81f4\uff1a\u5907\u4efd\u6587\u4ef6\u662f utf8mb4\uff0c\u5bfc\u5165\u65f6\u6ca1\u6307\u5b9a\u5b57\u7b26\u96c6\uff0c\u76ee\u6807\u8868\u5374\u662f latin1\u3002\u89e3\u51b3\u529e\u6cd5\u4ece\u6e90\u5934\u505a\u8d77\u2014\u2014\u5efa\u5e93\u3001\u5efa\u8868\u3001\u5bfc\u5165\u4e09\u4e2a\u73af\u8282\u7edf\u4e00\u4f7f\u7528 utf8mb4\uff0c\u5e76\u5728 <code>mysql<\/code> \u547d\u4ee4\u4e2d\u59cb\u7ec8\u5e26\u4e0a <code>--default-character-set=utf8mb4<\/code>\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u5bf9\u6062\u590d\u65f6\u95f4\u8981\u6c42\u9ad8\uff0c\u5355\u5e93\u8fd8\u539f\u53ea\u662f\u515c\u5e95\u624b\u6bb5\uff0c\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u628a\u6570\u636e\u5e93\u653e\u5728\u652f\u6301\u81ea\u52a8\u5907\u4efd\u548c\u5feb\u7167\u6062\u590d\u7684\u73af\u5883\u91cc\u3002\u6bd4\u5982 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS \u4e3b\u673a\u4ea7\u54c1<\/a>\u63d0\u4f9b\u72ec\u7acb\u7684 CPU \u548c\u78c1\u76d8 IO \u914d\u989d\uff0c\u5bfc\u5165 2GB \u7ea7\u5907\u4efd\u4e0d\u4f1a\u50cf\u5171\u4eab\u4e3b\u673a\u90a3\u6837\u89e6\u53d1\u8d44\u6e90\u9650\u5236\uff1b\u5173\u4e8e\u5171\u4eab<a href=\"https:\/\/cn.hostease.com\/shared-hosting.html\">\u865a\u62df\u4e3b\u673a<\/a>\u7684\u9002\u7528\u8fb9\u754c\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"https:\/\/cn.hostease.com\/shared-hosting.html\">\u865a\u62df\u4e3b\u673a\u65b9\u6848<\/a>\u7684\u8bf4\u660e\u3002<\/p>\n<h2>\u628a\u6062\u590d\u6f14\u7ec3\u53d8\u6210\u5b63\u5ea6\u4f8b\u884c\u64cd\u4f5c<\/h2>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u5e26\u4f60\u8d70\u5b8c\u4e86 mysqldump \u5355\u5e93\u8fd8\u539f\u7684\u5b8c\u6574\u95ed\u73af\uff1a\u68c0\u67e5\u5907\u4efd\u5b8c\u6574\u6027\uff08<code>tail<\/code> \u770b\u5b8c\u6210\u6807\u8bb0\u3001<code>grep -c<\/code> \u6838\u5bf9\u8868\u6570\uff09\u3001\u51c6\u5907\u5b57\u7b26\u96c6\u4e00\u81f4\u7684\u76ee\u6807\u5e93\u3001\u7528 <code>mysql \u5e93\u540d &lt; \u5907\u4efd\u6587\u4ef6<\/code> \u6267\u884c\u5bfc\u5165\u3001\u518d\u901a\u8fc7\u8868\u6570\u3001\u884c\u6570\u548c\u62bd\u6837\u67e5\u8be2\u4e09\u91cd\u9a8c\u8bc1\u786e\u8ba4\u6570\u636e\u5b8c\u6574\u3002<\/p>\n<p>\u8981\u628a\u8fd9\u5957\u6d41\u7a0b\u6c89\u6dc0\u4e3a\u4e60\u60ef\uff0c\u5efa\u8bae\u505a\u4e09\u4ef6\u4e8b\u3002\u7b2c\u4e00\uff0c\u628a\u672c\u6587\u7684\u547d\u4ee4\u6574\u7406\u6210\u4e00\u4efd\u6062\u590d\u811a\u672c\u5b58\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u4e8b\u6545\u65f6\u76f4\u63a5\u6267\u884c\uff0c\u51cf\u5c11\u4e34\u573a\u5931\u8bef\uff1b\u7b2c\u4e8c\uff0c\u6bcf\u5b63\u5ea6\u505a\u4e00\u6b21\u6062\u590d\u6f14\u7ec3\uff0c\u8f6e\u6362\u4f7f\u7528\u6700\u8fd1\u7684\u4e00\u4efd\u5907\u4efd\uff0c\u9a8c\u8bc1\u5907\u4efd\u94fe\u8def\u6301\u7eed\u6709\u6548\uff1b\u7b2c\u4e09\uff0c\u5728\u6f14\u7ec3\u8bb0\u5f55\u4e2d\u6807\u6ce8\u6bcf\u6b21\u5bfc\u5165\u8017\u65f6\uff0c\u636e\u6b64\u8bc4\u4f30\u73b0\u6709\u4e3b\u673a\u914d\u7f6e\u662f\u5426\u6ee1\u8db3\u4f60\u7684\u6062\u590d\u65f6\u95f4\u76ee\u6807\u2014\u2014\u5982\u679c\u5355\u6b21\u6062\u590d\u8d85\u8fc7\u4e1a\u52a1\u53ef\u5bb9\u5fcd\u7684\u505c\u673a\u65f6\u957f\uff0c\u5c31\u662f\u65f6\u5019\u5347\u7ea7\u5230 Hostease \u7684<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u6216\u8c03\u6574\u5907\u4efd\u7b56\u7565\u4e86\u3002<\/p>\n<p>\u5907\u4efd\u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u6587\u4ef6\u5b58\u5728\uff0c\u800c\u5728\u4e8e\u9700\u8981\u65f6\u80fd\u5feb\u901f\u6062\u590d\u3002\u73b0\u5728\u5c31\u6311\u4e00\u4efd\u6700\u8fd1\u7684\u5907\u4efd\u6587\u4ef6\uff0c\u6309\u4e0a\u9762\u7684\u6b65\u9aa4\u8dd1\u4e00\u6b21\u5b8c\u6574\u6f14\u7ec3\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u624b\u628a\u624b\u6f14\u793a\u5982\u4f55\u7528 mysqldump \u5907\u4efd\u6587\u4ef6\u5b8c\u6574\u8fd8\u539f\u5355\u4e2a\u6570\u636e\u5e93\uff1a\u6db5\u76d6\u5907\u4efd\u68c0\u67e5\u3001\u5efa\u5e93\u3001\u5bfc\u5165\u4e0e\u9a8c\u8bc1\u56db\u6b65\uff0c\u9644\u5e38\u7528\u547d\u4ee4\u4e0e\u5e38\u89c1\u62a5\u9519\u5904\u7406\uff0c\u5e2e\u52a9\u4f60\u628a\u5907\u4efd\u771f\u6b63\u53d8\u6210\u53ef\u6062\u590d\u7684\u80fd\u529b\u3002<\/p>\n","protected":false},"author":2,"featured_media":33960,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4099],"tags":[545,5246,5364,222,5365],"class_list":["post-33964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-mysql","tag-mysqldump","tag-5364","tag-222","tag-5365"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/mysql-mysqldump-restore-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33964"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33964\/revisions"}],"predecessor-version":[{"id":34458,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33964\/revisions\/34458"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33960"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}