nslookup
hostname
/etc/host.equiv
environment variable NSORDER
第1题：
用途：
指定需返回数据的范围
语法：
SELECT column_name FROM table_name
WHERE column_name
BETWEEN value1 AND value2
Order by
用途：
指定结果集的排序
语法：
SELECT column-name(s)FROM table-name ORDER BY{order_by_expression[ASC|DESC
13.
第2题：
A. a schema object
B. a subquery that can contain an ORDER BY clause
C. another name for a view that contains group functions
D. a subquery that is part of the FROM clause of another query
第3题：
按照姓名降序排列( )
A.ORDER BY DESC NAME
B.ORDER BY NAME DESC
C.ORDER BY NAME ASC
D.ORDER BY ASC NAME
第4题：
按照姓名升序排列（）。
第5题：
The order of name resolution can be controlled. The default is： 1.BIND 2.NIS 3./etc/hosts To change the order of the above name resolutions， which of the following should be used？（）
第6题：
Evaluate these two SQL statements: SELECT last_name, salary, hire_dateFROM EMPLOYEES ORDRE BY salary DESC; SELECT last_name, salary, hire_dateFROM EMPOLYEES ORDER BY 2 DESC; What is true about them? （）
A. The two statements produce identical results.
B. The second statement returns a syntax error.
C. There is no need to specify DESC because the results are sorted in descending order by default.
D. The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
第7题：
Which of the following commands should be used to determine DNS name resolution performance？（）
第8题：
按照姓名升序序排列( )
A.ORDER BY NAME ASC
B.ORDER BY ASC NAME
C.ORDER BY NAME DESC
D.ORDER BY DESC NAME
第9题：
Which best describes an inline view? （）
第10题：
Which smb.conf configuration keyword determines the hostname resolution order？（）