MySQL 命令集合

CONCAT(‘ALTER table ‘,t2.table_schema,‘.‘,t2.table_name,‘ CHANGE ‘,‘ \`‘,t2.column_name,‘\` \`‘,UPPER(t2.column_name),‘\` ‘, t2.column_type,‘ ‘,CASE WHEN t2.is_nullable=‘NO‘ THEN ‘not null‘ ELSE ‘null‘ END,‘ COMMENT ‘‘‘,t2.column_comment,‘‘‘;‘) AS c FROM information_schema.tables t1, information_schema.columns t2 WHERE t1.table_schema = ‘yourusername‘ AND t1.table_type = ‘base table‘ AND t1.table_schema = t2.table_schema AND t1.table_name = t2.table_name

 

MySQL 命令集合

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