{"id":3810,"date":"2022-08-31T11:16:13","date_gmt":"2022-08-31T03:16:13","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=3810"},"modified":"2022-08-31T11:16:13","modified_gmt":"2022-08-31T03:16:13","slug":"truncate-%e9%81%87%e4%b8%8a%e5%a4%96%e9%94%ae","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=3810","title":{"rendered":"truncate \u9047\u4e0a\u5916\u952e"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\" id=\"h3--1\">\u65b9\u68481<\/h3>\n\n\n\n<ol><li>\u7981\u7528\u5916\u952e\u68c0\u67e5\uff1b<\/li><li>\u6267\u884c&nbsp;<code>TRUNCATE<\/code>\uff1b<\/li><li>\u6062\u590d\u5916\u952e\u68c0\u67e5\uff1b<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>SET FOREIGN_KEY_CHECKS = 0;\n\nTRUNCATE TABLE_NAME;\nTRUNCATE ANOTHER_TABLE_NAME;\n\nSET FOREIGN_KEY_CHECKS = 1;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h3--2\"><a rel=\"noreferrer noopener\" target=\"_blank\"><\/a>\u65b9\u68482<\/h3>\n\n\n\n<ol><li>\u5220\u9664\u6570\u636e\uff1b<\/li><li>\u91cd\u7f6e\u81ea\u589e\u7684\u79cd\u5b50\u5e8f\u5217\uff08\u5982\u679c\u6709\u81ea\u589e\u5b57\u6bb5\u7684\u8bdd\uff09\uff1b<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>DELETE FROM TABLE_NAME;\nALTER TABLE TABLE_NAME AUTO_INCREMENT = 1;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h3--3\"><a rel=\"noreferrer noopener\" target=\"_blank\"><\/a>\u65b9\u68483<\/h3>\n\n\n\n<ol><li>\u5220\u9664\u5916\u952e\u7ea6\u675f\uff1b<\/li><li>\u6267\u884c&nbsp;<code>TRUNCATE<\/code>\uff1b<\/li><li>\u589e\u52a0\u5916\u952e\u7ea6\u675f\uff1b<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>START TRANSACTION;\nALTER TABLE &lt;Table Name> DROP FOREIGN KEY &lt;Foreign Key Name>;\nTRUNCATE &lt;Table Name>;\nTRUNCATE &lt;Another Table Name>;\nALTER TABLE &lt;Table Name> ADD CONSTRAINT &lt;Foreign Key Name> FOREIGN KEY &lt;Foreign Key Name>(&lt;Field Name>) REFERENCES &lt;Another Table Name>(&lt;Field Name>);\nCOMMIT;\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u65b9\u68481 \u7981\u7528\u5916\u952e\u68c0\u67e5\uff1b \u6267\u884c&nbsp;TRUNCATE\uff1b \u6062\u590d\u5916\u952e\u68c0\u67e5\uff1b \u65b9\u68482 \u5220\u9664\u6570\u636e\uff1b \u91cd\u7f6e\u81ea\u589e\u7684\u79cd\u5b50 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[241],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3810"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3810"}],"version-history":[{"count":1,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3810\/revisions"}],"predecessor-version":[{"id":3811,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3810\/revisions\/3811"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}