以下这份神州数码笔试题目是小编为大家收集整理出来的，在此跟大家分享下。
选择题：
神州数码笔试1)Which statement shows the maximum salary paid in each job category of each department?_______
A。 select dept_id， job_cat，max(salary) from employees where salary > max(salary);
B。 select dept_id， job_cat，max(salary) from employees group by dept_id，job_cat;
C。 select dept_id， job_cat，max(salary) from employees;
D。 select dept_id， job_cat，max(salary) from employees group by dept_id;
E。 select dept_id， job_cat，max(salary) from employees group by dept_id，job_cat，salary;
神州数码笔试2)description of the students table:
sid_id number
start_date date
end_date date
which two function are valid on the start_date column?_________。
A。 sum(start_date)
B。 avg(start_date)
C。 count(start_date)
D。 avg(start_date，end_date)
E。 min(start_date)
F。 maximum(start_date)
神州数码笔试3)for which two constraints does the oracle server implicitly create a unique index?______。
A。 not null
B。 primary
C。 foreign key
D。 check
E。 unique
神州数码笔试4)in a select statement that includes a where clause，where is the group by clause placed in the select statement?______。
A。 immediately after the select clause
B。 before the where clause
C。 before the from clause
D。 after the order by clause
E。 after the where clause
神州数码笔试5)in a select statement that includes a where clause，where is the order by clause placed in the select statement?______。
A。immediately after the select clause
B。before the where clause
C。after all clause
D。after the where clause
E。before the from clause
神州数码笔试6)evaluate there two sql statements______。
Select last_name，salary from employees order by salary;
Select last_name，salary from employees order by 2 asc;
A。the same result B。different result C。the second statement returns a syntax error
神州数码笔试7) you would like to display the system date in the format“20051110 14：44：17”。Which select statement should you use?______。
A。 select to_date(sydate，’yearmmdd hh:mm:ss’)from dual;
B。 select to_char(sydate，’yearmonthday hh:mi:ss’)from dual;
C。 select to_date(sydate，’yyyymmdd hh24:mi:ss’)from dual;
D。 select to_char(sydate，’yyyymmdd hh24:mi:ss’)from dual;
E。 select to_char(sydate，’yy-mm-dd hh24:mi:ss’)from dual;