{"id":29045,"date":"2023-05-25T21:19:23","date_gmt":"2024-01-26T18:40:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mysql%e8%a1%a8%e5%a4%8d%e5%88%b6%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8c%ba%e5%88%ab\/"},"modified":"2025-08-12T11:30:40","modified_gmt":"2025-08-12T03:30:40","slug":"mysql%e8%a1%a8%e5%a4%8d%e5%88%b6%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mysql%e8%a1%a8%e5%a4%8d%e5%88%b6%e5%91%bd%e4%bb%a4%e7%9a%84%e5%8c%ba%e5%88%ab\/","title":{"rendered":"MySQL\u8868\u590d\u5236\u547d\u4ee4\u7684\u533a\u522b"},"content":{"rendered":"<p>\u5728MySQL\uff08MariaDB\uff09\u4e2d\uff0c\u6709\u591a\u4e2a\u590d\u5236\u8868\u7684\u547d\u4ee4\uff0c\u4f46\u6211\u4e0d\u77e5\u9053\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u6240\u4ee5\u6211\u4f7f\u7528show\u547d\u4ee4\u8fdb\u884c\u4e86\u786e\u8ba4\u548c\u6bd4\u8f83\u3002\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div>\n<div class=\"post-table\">\n\u30c7\u30fc\u30bfindexPKcreate table \uff65\uff65\uff65 as SELECT\u6587\u6709\u7121\u7121create table \uff65\uff65\uff65 (SELECT\u6587)\u6709\u7121\u7121create table \uff65\uff65\uff65 SELECT\u6587\u6709\u7121\u7121create table \uff65\uff65\uff65 like &lt;\u5143\u30c6\u30fc\u30d6\u30eb&gt;\u7121\u6709\u6709\u6839\u636e\u8fd9\u4e2a\u5185\u5bb9\uff0cCREATE TABLE&#8230;LIKE\u8bed\u53e5\u4f1a\u590d\u5236\u8868\u5b9a\u4e49\u4ee5\u53ca\u76f8\u5173\u5bf9\u8c61\uff0c\u800c\u5176\u4ed6\u7684CREATE TABLE&#8230;SELECT\u8bed\u53e5\u5219\u4f1a\u590d\u5236\u8868\u548c\u6570\u636e\uff0c\u8fd9\u6b63\u662fSQL\u7684\u8fd0\u884c\u65b9\u5f0f\u3002<\/p>\n<h2>\u521b\u5efa\u8868&#8230;\u4f5c\u4e3aSELECT\u8bed\u53e5<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">juve_as<\/span> <span class=\"k\">as<\/span> <span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">juve<\/span> <span class=\"k\">where<\/span> <span class=\"k\">position<\/span><span class=\"o\">=<\/span><span class=\"s1\">'MF'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"n\">Query<\/span> <span class=\"n\">OK<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span> <span class=\"k\">rows<\/span> <span class=\"n\">affected<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">11<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">Records<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span>  <span class=\"n\">Duplicates<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>  <span class=\"n\">Warnings<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>\r\n\r\n<span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">SHOW<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">juve_as<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"k\">Table<\/span>   <span class=\"o\">|<\/span> <span class=\"k\">Create<\/span> <span class=\"k\">Table<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"n\">juve_as<\/span> <span class=\"o\">|<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"nv\">`juve_as`<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"nv\">`id_no`<\/span> <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'ID'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`no`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u80cc\u756a\u53f7'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fir_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fam_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u59d3'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`position`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u30dd\u30b8\u30b7\u30e7\u30f3'<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"n\">ENGINE<\/span><span class=\"o\">=<\/span><span class=\"n\">InnoDB<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"n\">CHARSET<\/span><span class=\"o\">=<\/span><span class=\"n\">utf8<\/span>            <span class=\"o\">|<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"mi\">1<\/span> <span class=\"k\">row<\/span> <span class=\"k\">in<\/span> <span class=\"k\">set<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">00<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u8868\u683c (SELECT\u8bed\u53e5)<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">juve2<\/span> <span class=\"p\">(<\/span><span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">juve<\/span> <span class=\"k\">where<\/span> <span class=\"k\">position<\/span><span class=\"o\">=<\/span><span class=\"s1\">'MF'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"n\">Query<\/span> <span class=\"n\">OK<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span> <span class=\"k\">rows<\/span> <span class=\"n\">affected<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">11<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">Records<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span>  <span class=\"n\">Duplicates<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>  <span class=\"n\">Warnings<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>\r\n\r\n<span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">SHOW<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">juve2<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-------+-------------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"k\">Table<\/span> <span class=\"o\">|<\/span> <span class=\"k\">Create<\/span> <span class=\"k\">Table<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-------+-------------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"n\">juve2<\/span> <span class=\"o\">|<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"nv\">`juve2`<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"nv\">`id_no`<\/span> <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'ID'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`no`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u80cc\u756a\u53f7'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fir_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fam_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u59d3'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`position`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u30dd\u30b8\u30b7\u30e7\u30f3'<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"n\">ENGINE<\/span><span class=\"o\">=<\/span><span class=\"n\">InnoDB<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"n\">CHARSET<\/span><span class=\"o\">=<\/span><span class=\"n\">utf8<\/span>            <span class=\"o\">|<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-------+-------------------------------------------------------------------------<\/span>\r\n<span class=\"mi\">1<\/span> <span class=\"k\">row<\/span> <span class=\"k\">in<\/span> <span class=\"k\">set<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">00<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u8868\u683c \uff65\uff65\uff65 \u9009\u62e9\u8bed\u53e5<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">juve_non<\/span> <span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">juve<\/span> <span class=\"k\">where<\/span> <span class=\"k\">position<\/span><span class=\"o\">=<\/span><span class=\"s1\">'MF'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"n\">Query<\/span> <span class=\"n\">OK<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span> <span class=\"k\">rows<\/span> <span class=\"n\">affected<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">07<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">Records<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span>  <span class=\"n\">Duplicates<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>  <span class=\"n\">Warnings<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span>\r\n\r\n<span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">SHOW<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">juve_non<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"k\">Table<\/span>   <span class=\"o\">|<\/span> <span class=\"k\">Create<\/span> <span class=\"k\">Table<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"n\">juve_non<\/span> <span class=\"o\">|<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"nv\">`juve_non`<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"nv\">`id_no`<\/span> <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'ID'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`no`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u80cc\u756a\u53f7'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fir_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fam_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u59d3'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`position`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u30dd\u30b8\u30b7\u30e7\u30f3'<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"n\">ENGINE<\/span><span class=\"o\">=<\/span><span class=\"n\">InnoDB<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"n\">CHARSET<\/span><span class=\"o\">=<\/span><span class=\"n\">utf8<\/span>            <span class=\"o\">|<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">---------+--------------------------------------------------------------------<\/span>\r\n<span class=\"mi\">1<\/span> <span class=\"k\">row<\/span> <span class=\"k\">in<\/span> <span class=\"k\">set<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">00<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u8868\u683c&#8230;\u50cf&lt;\u5143\u8868&gt;\u90a3\u6837<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">juve_like<\/span> <span class=\"k\">like<\/span> <span class=\"n\">juve<\/span><span class=\"p\">;<\/span>\r\n<span class=\"n\">Query<\/span> <span class=\"n\">OK<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span> <span class=\"k\">rows<\/span> <span class=\"n\">affected<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">08<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">MariaDB<\/span> <span class=\"p\">[<\/span><span class=\"n\">iwate<\/span><span class=\"p\">]<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">SHOW<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">juve_like<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-----------+------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"k\">Table<\/span>     <span class=\"o\">|<\/span> <span class=\"k\">Create<\/span> <span class=\"k\">Table<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-----------+------------------------------------------------------------------<\/span>\r\n<span class=\"o\">|<\/span> <span class=\"n\">juve_like<\/span> <span class=\"o\">|<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"nv\">`juve_like`<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"nv\">`id_no`<\/span> <span class=\"nb\">int<\/span><span class=\"p\">(<\/span><span class=\"mi\">11<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'ID'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`no`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u80cc\u756a\u53f7'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fir_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u540d\u524d'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`fam_name`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">25<\/span><span class=\"p\">)<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u59d3'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nv\">`position`<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span> <span class=\"k\">COMMENT<\/span> <span class=\"s1\">'\u30dd\u30b8\u30b7\u30e7\u30f3'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"k\">PRIMARY<\/span> <span class=\"k\">KEY<\/span> <span class=\"p\">(<\/span><span class=\"nv\">`id_no`<\/span><span class=\"p\">),<\/span>\r\n  <span class=\"k\">KEY<\/span> <span class=\"nv\">`ix1_juve`<\/span> <span class=\"p\">(<\/span><span class=\"nv\">`position`<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"n\">ENGINE<\/span><span class=\"o\">=<\/span><span class=\"n\">InnoDB<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"n\">CHARSET<\/span><span class=\"o\">=<\/span><span class=\"n\">utf8<\/span> <span class=\"k\">COMMENT<\/span><span class=\"o\">=<\/span><span class=\"s1\">'\u30e6\u30d9\u30f3\u30c8\u30b9'<\/span>\r\n<span class=\"o\">+<\/span><span class=\"c1\">-----------+------------------------------------------------------------------<\/span>\r\n<span class=\"mi\">1<\/span> <span class=\"k\">row<\/span> <span class=\"k\">in<\/span> <span class=\"k\">set<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">00<\/span> <span class=\"n\">sec<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728MySQL\uff08MariaDB\uff09\u4e2d\uff0c\u6709\u591a\u4e2a\u590d\u5236\u8868\u7684\u547d\u4ee4\uff0c\u4f46\u6211\u4e0d\u77e5\u9053\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u6240\u4ee5\u6211\u4f7f\u7528show\u547d\u4ee4\u8fdb\u884c\u4e86\u786e [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29045","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 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