*_bin: 表示的是binary case sensitive collation,也就是说是区分大小写。 *_ci: case insensitive collation,不区分大小写。 ④ 如果建表时校对规则未用*_bin,则可直接修改字段的属性。 altertabletest3 modify namevarchar(20) collate utf8_bin; 四、总结 只要在创建...
*_bin: 表示的是binary case sensitive collation,也就是说是区分大小写。 *_ci: case insensitive collation,不区分大小写。 示例如下: mysql> CREATE TABLE Test1(Id int ,Name VARCHAR(20) COLLATE utf8mb4_bin ); mysql> INSERT INTO Test1(id,name) VALUES(2,'Bb'); #查询 mysql> SELECT id,name ...
但是今天试了5.7好几次,5.6.27的也试过,发现只要加上这个配置,mysql就启动报错,后来试了一下mysqld --defaults-file="C:\Program Files\MySQL\MySQL Server 5.6\my.ini" 爆出了这个问题 (The server option 'lower_case_table_names' is configured to use case sensitive table names but the data directory...
CaseInsensitiveCaseSensitiveWindowsCaseSensitive 在状态图中,初始状态是大小写不敏感,当lower_case_table_names的值为1时进入大小写不敏感的状态;当lower_case_table_names的值为2时,进入大小写敏感的状态;对于Windows系统,即使值为2,也会被强制转换为小写。 结论 MySQL 8表名不区分大小写的特性可以方便开发人员在...
The RDS for MySQL parameter lower_case_table_names was set to case sensitive, and then a table containing uppercase letters was created. The parameter setting was later c
themtolowercaseonlookup. Name comparisonsarenotcasesensitive. This worksonlyonfile systems thatarenotcase-sensitive!InnoDBtablenamesarestoredinlowercase,asforlower_case_table_names=1. 0:使用 CREATE TABLE 或 CREATE DATABASE 语句中指定的字母将表和数据库名称存储在磁盘上。名称比较区分大小写。如果在具有不...
case sensitive:大小写敏感,简称cs case insensitive:大小写不敏感,简称ci 法0:建库时指定CHARSET和COLLATE CREATEDATABASEdbNameDEFAULTCHARSETutf8mb4COLLATEutf8mb4_bin;-- 以下为数据库创建用户并授权-- 创建用户createuser'userName'@'%'IDENTIFIEDBY'123456';-- 切换数据库usedbName;-- 授权用户权限grantallon...
Tags:Table Name Case Sensitive Sensitivity Windows Store Created [8 Mar 2010 15:56] Bob Hansen Description:Just upgraded from 5.1.40 to 5.1.44 and still same behavior. Here's the situation. I'm creating tables like other tables, and they are being created lower case, even though I specifi...
Bug #58486Case sensitive table names Submitted:25 Nov 2010 10:42Modified:3 Apr 2011 12:31 Reporter:Mark GloverEmail Updates: Status:No FeedbackImpact on me: None Category:MySQL Workbench: ModelingSeverity:S3 (Non-critical) Version:5.2.29 CEOS:Windows (Win7 64bit) ...
Notice:Column, index, stored routine, and event names are not case sensitive on any platform, nor are column aliases. 下面在测试环境为Red Hat Enterprise Linux Server release 5.7, MySQL 5.6.20: mysql>showvariableslike'lower_case_table_names'; ...