{"id":365,"date":"2020-12-05T02:36:23","date_gmt":"2020-12-04T18:36:23","guid":{"rendered":"http:\/\/moyisuiying.com\/?p=365"},"modified":"2020-12-10T14:23:59","modified_gmt":"2020-12-10T06:23:59","slug":"mysql%e5%ad%a6%e4%b9%a0%e4%b8%8e%e5%ae%9e%e9%aa%8c%ef%bc%88%e4%ba%8c%ef%bc%89-%e6%95%b0%e6%8d%ae%e6%9b%b4%e6%96%b0%e5%ae%9e%e9%aa%8c","status":"publish","type":"post","link":"http:\/\/moyisuiying.com\/index.php\/experiment\/mysqlexperiment\/365.html","title":{"rendered":"MYSQL\u5b66\u4e60\u4e0e\u5b9e\u9a8c\uff08\u4e8c\uff09\u2014\u2014\u6570\u636e\u66f4\u65b0\u5b9e\u9a8c"},"content":{"rendered":"\n<h3>2.1\u6570\u636e\u66f4\u65b0\u5b9e\u9a8c<\/h3>\n\n\n\n<h4>2.1.1\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u8868test\u7528\u4e8e\u6d4b\u8bd5\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>create table if not exists test ( id int(8) primary key auto_increment,name varchar(20) not null,price float,gender tinyint(1) default 0,age int(3),birth date );<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205022720146.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205022720146.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<h4>2.1.2\u5411test\u8868\u4e2d\u63d2\u5165\u6570\u636e<\/h4>\n\n\n\n<h5>2.1.2.1\u63d2\u5165\u5355\u6761\u6570\u636e<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>INSERT INTO &lt;\u8868\u540d> &#91; &lt;\u5217\u540d1> &#91; , \u2026 &lt;\u5217\u540dn>] ]\nVALUES (\u503c1) &#91;\u2026 , (\u503cn) ];<\/code><\/pre>\n\n\n\n<p>\u8bed\u6cd5\u8bf4\u660e\u5982\u4e0b\u3002<\/p>\n\n\n\n<p><strong>&lt;\u8868\u540d&gt;\uff1a\u6307\u5b9a\u88ab\u64cd\u4f5c\u7684\u8868\u540d\u3002<\/strong><\/p>\n\n\n\n<p><strong>&lt;\u5217\u540d&gt;\uff1a\u6307\u5b9a\u9700\u8981\u63d2\u5165\u6570\u636e\u7684\u5217\u540d\u3002\u82e5\u5411\u8868\u4e2d\u7684\u6240\u6709\u5217\u63d2\u5165\u6570\u636e\uff0c\u5219\u5168\u90e8\u7684\u5217\u540d\u5747\u53ef\u4ee5\u7701\u7565\uff0c\u76f4\u63a5\u91c7\u7528 INSERT&lt;\u8868\u540d&gt;VALUES(\u2026) \u5373\u53ef\u3002<\/strong><\/p>\n\n\n\n<p><strong>VALUES \u6216 VALUE \u5b50\u53e5\uff1a\u8be5\u5b50\u53e5\u5305\u542b\u8981\u63d2\u5165\u7684\u6570\u636e\u6e05\u5355\u3002\u6570\u636e\u6e05\u5355\u4e2d\u6570\u636e\u7684\u987a\u5e8f\u8981\u548c\u5217\u7684\u987a\u5e8f\u76f8\u5bf9\u5e94\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205022802623.jpg#pic_center\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205022802623.jpg#pic_center\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<h4>2.1.3\u4ece\u5df2\u6709\u6570\u636e\u4e2d\u63d2\u5165\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f7f\u7528 INSERT INTO \u8868\u540d  SELECT &#91;\u5217\u540d1,\u5217\u540d2,...]  FROM  \u8868\u540d  \u8bed\u53e5\u590d\u5236\u8868\u6570\u636e<\/code><\/pre>\n\n\n\n<p>INSERT INTO\u2026SELECT\u2026FROM \u8bed\u53e5\u7528\u4e8e\u5feb\u901f\u5730\u4ece\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u4e2d\u53d6\u51fa\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u4f5c\u4e3a\u884c\u6570\u636e\u63d2\u5165\u53e6\u4e00\u4e2a\u8868\u4e2d\u3002SELECT \u5b50\u53e5\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u67e5\u8be2\u5230\u7684\u7ed3\u679c\u96c6\uff0cINSERT \u8bed\u53e5\u5c06\u8fd9\u4e2a\u7ed3\u679c\u96c6\u63d2\u5165\u6307\u5b9a\u8868\u4e2d\uff0c\u7ed3\u679c\u96c6\u4e2d\u7684\u6bcf\u884c\u6570\u636e\u7684\u5b57\u6bb5\u6570\u3001\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u90fd\u5fc5\u987b\u4e0e\u88ab\u64cd\u4f5c\u7684\u8868\u5b8c\u5168\u4e00\u81f4\u3002<br><img  src=\"https:\/\/img-blog.csdnimg.cn\/20201205022901608.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img  class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205022901608.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205022901608.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205022901608.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p><\/noscript>\n\n\n\n<h4>2.1.4\u66f4\u65b0test\u7684\u5185\u5bb9<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>UPDATE &lt;\u8868\u540d> SET \u5b57\u6bb5 1=\u503c 1 &#91;,\u5b57\u6bb5 2=\u503c 2\u2026 ] &#91;WHERE \u5b50\u53e5 ]\n&#91;ORDER BY \u5b50\u53e5] &#91;LIMIT \u5b50\u53e5]<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020535.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020535.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020540.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020540.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020541.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020541.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020541.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023020541.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n\n\n\n<h4>2.1.5\u5220\u9664\u6570\u636e<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>DELETE FROM &lt;\u8868\u540d> &#91;WHERE \u5b50\u53e5] &#91;ORDER BY \u5b50\u53e5] &#91;LIMIT \u5b50\u53e5]<\/code><\/pre>\n\n\n\n<p>\u8bed\u6cd5\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong>&lt;\u8868\u540d&gt;\uff1a\u6307\u5b9a\u8981\u5220\u9664\u6570\u636e\u7684\u8868\u540d\u3002<\/strong><\/p>\n\n\n\n<p><strong>ORDER BY \u5b50\u53e5\uff1a\u53ef\u9009\u9879\u3002\u8868\u793a\u5220\u9664\u65f6\uff0c\u8868\u4e2d\u5404\u884c\u5c06\u6309\u7167\u5b50\u53e5\u4e2d\u6307\u5b9a\u7684\u987a\u5e8f\u8fdb\u884c\u5220\u9664\u3002<\/strong><\/p>\n\n\n\n<p><strong>WHERE \u5b50\u53e5\uff1a\u53ef\u9009\u9879\u3002\u8868\u793a\u4e3a\u5220\u9664\u64cd\u4f5c\u9650\u5b9a\u5220\u9664\u6761\u4ef6\uff0c\u82e5\u7701\u7565\u8be5\u5b50\u53e5\uff0c\u5219\u4ee3\u8868\u5220\u9664\u8be5\u8868\u4e2d\u7684\u6240\u6709\u884c\u3002<\/strong><\/p>\n\n\n\n<p><strong>LIMIT \u5b50\u53e5\uff1a\u53ef\u9009\u9879\u3002\u7528\u4e8e\u544a\u77e5\u670d\u52a1\u5668\u5728\u63a7\u5236\u547d\u4ee4\u88ab\u8fd4\u56de\u5230\u5ba2\u6237\u7aef\u524d\u88ab\u5220\u9664\u884c\u7684\u6700\u5927\u503c\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a\u5728\u4e0d\u4f7f\u7528 WHERE \u6761\u4ef6\u7684\u65f6\u5019\uff0c\u5c06\u5220\u9664\u6240\u6709\u6570\u636e\u3002<\/strong><br><img  src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245448.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245406.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img  class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245406.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245448.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245406.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br><img src=\"https:\/\/img-blog.csdnimg.cn\/20201205023245406.jpg?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p><\/noscript>\n\n\n\n<p>2.2\u8be6\u7ec6\u7684\u5b9e\u9a8c\u8d44\u6599\u4ee5\u53ca\u6307\u5bfcPPT\u8bf7\u8bbf\u95ee\u7b14\u8005GitHub\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/LJF2402901363\/database_experiment.git\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/github.com\/LJF2402901363\/database_experiment.git<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2.1\u6570\u636e\u66f4\u65b0\u5b9e\u9a8c 2.1.1\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u8868test\u7528\u4e8e\u6d4b\u8bd5\uff1a 2.1.2\u5411test\u8868\u4e2d\u63d2\u5165\u6570\u636e 2.1.2.1\u63d2\u5165\u5355\u6761\u6570\u636e \u8bed\u6cd5 &#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[120],"tags":[126,124,123,105,125],"_links":{"self":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/365"}],"collection":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/comments?post=365"}],"version-history":[{"count":2,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/365\/revisions"}],"predecessor-version":[{"id":389,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/365\/revisions\/389"}],"wp:attachment":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/media?parent=365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/categories?post=365"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/tags?post=365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}