用户生命周期记录表: CREATE TABLE `utm` (`id` int(10) unsigned NOT NULL AUTO_INCREMENT,`vid` varchar(255) COLLATE utf8_unicode_ci NOT NULL DEFAULT '' COMMENT '登陆前的虚拟id',`uid` int(11) NOT NULL DEFAULT '0' COMMENT '用户id',`utm_url_id` int(11) NOT NULL DEFAULT '0' COMMEN...
-- 创建单列索引 CREATE INDEX idx_column_name ON table_name (column_name); -- 创建复合索引 CREATE INDEX idx_column1_column2 ON table_name (column1, column2); -- 创建唯一索引 CREATE UNIQUE INDEX idx_unique_column ON table_name (column_name); 更多关于MySQL索引的信息,可以参考官方文档或相...
Error Code: 1062 - Duplicate entry '95585-80100-2015-06-29 00:00:00-1--1' for key 'IDX_FNDCN_MNG' 解决方案一: 将主键设置为自动增长。可以在数据库手动将相关表设置ID为自增长。 如图: 再继续导入正常。 解决方案二: 问题描述:单独导入出错sql,会报如下错误: 1 queries executed, 0 success, 1...
Possible_keys为primary,idx_t1、primary、primary //理论上用主键索引 key为idx_t1、primary、primary //实际上用了一个主键索引 3 rows in set (0.00 sec ) 示例3: mysql>explain select t2.* from( ->select t3.id ->from t3 ->wheye t3.other_colum=’’)s1,t2 ->where s1.id =t2.id; Poss...
2024设计魔方创新专训营工业ID软件班(Rhino Keyshot More )—由浙江省创意设计协会指导,浙江省创意设计协会设计师职业规划发展事业部、云尚教育和杭州文创数字科技研究院共同发起承办,旨在通过一系列系统化的课程和实训演练的教学方式,全面提升学员...
(`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; SET foreign_key_checks = 0; DROP INDEX `IDX_Customer` ON `User_Role_Customer`; ALTER TABLE `User_Role_Customer` CHANGE `customerId` `userCustomerId` INTEGER NOT NULL; DESCRIBE `...
Get the windows UserID who is running the SQL Server Agent Job manually Get Topmost Parent for a given row in a Parent-Child hierarchy table Get Total Size of Database with a T-SQL query. Get values of column in sql server enclosed with single quotes using dynamic sql getdate with curre...
if(!(dialect instanceof H2Dialect)) { addDbIndexOnOwnerId(); } This function will create duplicated key which have been created before. All MYSQLDialect can reproduce this issue, and Oracle won't. Rayerchanged the titleDuplicate key name 'jv_global_id_owner_id_fk_idx' error when bootstra...
KEY `FIDeparts_idx` (`FIDeparts`), CONSTRAINT `FIAircraft` FOREIGN KEY (`FIAircraft`) REFERENCES `airplanemodels` (`AMNumber`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='replacement for old "flights" and "traverses"'; ...
q..com/s?__biz=MzAwNjk3OTUwNQ==mid=100000636idx=1sn=bb3fab016e9dc20ecb3330254d587e4dchksm=1b0469a22c73e0b44eb78bab559aa461c9deb8ac7ceed8ae7e0c218a2254c220be1a44de26d6mpshare=1scene=1srcid=0226W4YBmTZGGJaYpxJbjwxGsharer_sharetime=1582699167606sharer_shareid=...