數(shù)據(jù)庫表中字段alter Table TableName

區(qū)分大小寫 ALTER Column ColumnName VARCHAR(50) COLLATE Chinese_PRC_CS_AS不區(qū)分大小寫 ALTER Column ColumnNameVARCHAR(50) COLLATE Chinese_PRC_CI_AS

或

select * from table where passWord='a' collate Chinese_PRC_CS_AI //區(qū)分大小寫