用户登陆大小写测试

查看当前配置
SHOW PARAMETER SEC_CASE_SENSITIVE_LOGON

修改当前配置
ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE;

SHOW PARAMETER SEC_CASE_SENSITIVE_LOGON;

ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = TRUE;

区分大小写，测试

CREATE USER test2 IDENTIFIED BY Test2;
GRANT CONNECT TO test2;

CONN test2/Test2

CONN test2/test2

不区分大小写，登陆测试
ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE;

SHOW PARAMETER SEC_CASE_SENSITIVE_LOGON;

CONN test2/Test2

CONN test2/test2

不区分大小写，创建用户
SHOW PARAMETER SEC_CASE_SENSITIVE_LOGON;

CREATE USER test3 IDENTIFIED BY Test3;
GRANT CONNECT TO test3;

连接测试

ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = TRUE;


SELECT username, password_versions FROM dba_users;