{"id":1435,"date":"2021-07-07T13:38:16","date_gmt":"2021-07-07T05:38:16","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=1435"},"modified":"2021-07-07T13:38:16","modified_gmt":"2021-07-07T05:38:16","slug":"%e4%bf%ae%e6%94%b9%e5%ad%97%e7%ac%a6%e9%9b%86","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=1435","title":{"rendered":"\u4fee\u6539\u5b57\u7b26\u96c6"},"content":{"rendered":"\n

alter database xxx character set utf8;<\/p>\n\n\n\n

SELECT TABLE_NAME,CONCAT(‘ALTER TABLE ‘,TABLE_NAME,’ DEFAULT CHARACTER SET ‘,a.DEFAULT_CHARACTER_SET_NAME,’ COLLATE ‘,’utf8_general_ci’,’;’) executeSQL FROM information_schema.SCHEMATA a,information_schema.TABLES b
WHERE a.SCHEMA_NAME=b.TABLE_SCHEMA
AND ‘utf8_general_ci’!=b.TABLE_COLLATION
AND b.TABLE_SCHEMA=’xxx’<\/p>\n\n\n\n

select CONCAT(‘ALTER TABLE ‘,b.table_name,’ MODIFY ‘,b.column_name,’ ‘,b.DATA_TYPE,'(‘,b.CHARACTER_MAXIMUM_LENGTH,’) CHARACTER SET utf8 COLLATE utf8_general_ci ‘,CASE WHEN b.COLUMN_DEFAULT IS NULL THEN ” ELSE CONCAT(‘DEFAULT \\”,b.COLUMN_DEFAULT,’\\”) END,’ COMMENT \\”,b.COLUMN_COMMENT,’\\’;’) executeSQL
from information_schema.TABLES a,information_schema.COLUMNS b where b.character_set_name IS NOT NULL and a.TABLE_SCHEMA=b.TABLE_SCHEMA AND a.TABLE_NAME=b.TABLE_NAME
AND ‘utf8_general_ci’!=b.COLLATION_NAME
and a.TABLE_SCHEMA=’xxx’<\/p>\n\n\n\n

\u67e5\u8be2\u4e4b\u540e\uff0c\u62f7\u8d1dsql\u5230excel\u6574\u7406\u6267\u884c<\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

alter database xxx character set utf8; SELECT TABLE_NAM […]<\/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":[107],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1435"}],"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=1435"}],"version-history":[{"count":1,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1435\/revisions"}],"predecessor-version":[{"id":1436,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1435\/revisions\/1436"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}