INSERT INTO t_sys_user (C_ID, C_USER_NAME, C_PASS_WORD, C_NAME, C_PWD_ERR_NUM, C_LOCK_TIME, C_STATUS, C_MENU) select 1, 'admin', '!QAZ2wsx', 'admin', 0, 0, '0', '' from dual where not exists (select C_ID from t_sys_user) ;
