c# certification exam questions

number, SNAME for nameC (cno,cname,cteacher) course relationship. CNO as course number, CNAME as course name, Cteacher as InstructorSC (sno,cno,scgrade) course selection relationship. Scgrade as a result Find out the names of all students who have not been enrolled in the "Li Ming" teacher course (4 points) Names of students with two or more (including two) failed courses and their average score (4 points) List all students who have studied the course "1" and who have studied "

$ V $, $ \ Bex v_1 = L (\ ve_1, \ cdots, \ ve_r), \ quad V_2 = L (\ ve _ {R + 1}, \ cdots, \ ve_n ). \ EEx $ (1) prove $ v = v_1 \ oplus V_2 $; (2) set $ \ SCRA $ to a linear transformation of $ v_1 $. $ \ scrb $ is a linear transformation of $ V_2 $, evaluate the linear transformation of $ V $ \ SCRC $ so that $ v_1 and V_2 $ are all $ \ SCRC $-constant subspaces, and $ \ SCRC $ is in $ v_1, the display on V_2 $ is $ \ Bex \ SCRC | _ {v_1 }=\ SCRA, \ quad \ SCRC |_{ V_2 }=\ scrb. \ EEx $ Proo

Server and so on.2. Under the premise of not destroying the 1 deployment, also use Oldboy user to complete multiple keys to a lock (B,c key, a lock)-Free landing deployment as follows:B---------->aC---------->aNote: This topic is used in the production environment, data backup, etc., but the production environment this way is recommended to be implemented by the daemon process.The goal of the final realization is, 1, 22 topics to achieve two-way pass

;. NET CLR 2.0.50727;. NET CLR 3.0.4506.2152;. NET CLR 3.5.30729) "59.33.26.105--[08/dec/2010:15:43:56 +0800] "get/static/images/photos/2.jpg http/1.1" 200 11299"Http://oldboy.blog.51cto.com/static/web/column/17/index.shtml?courseId=43" "mozilla/4.0 (compatible;MSIE 6.0; Windows NT 5.1; SV1;. NET CLR 2.0.50727;. NET CLR 3.0.4506.2152;. NET CLR 3.5.30729) "59.33.26.105--[08/dec/2010:15:44:02 +0800] "get/static/flex/vedioloading.swf http/1.1" 200 3583"Http://oldboy.blog.51cto.com/static/flex/adobe

5 Servlet 80 For readability, the results after querying this table are explicitly as follows (passing score is 60), please write out the SQL implementation statement CourseID Coursename Score Mark 1 Java 70 Pass 2 Oracle 90 Pass 3 Xml 40 Fail 4 Jsp 30 Fail 5 Servlet 80 Pass 9, writ

50k less than 100k in the system, copy them into the/tmp directory (4 ways)Answer:The first method:Find-type f-size +50k-size-100k|xargs-i CP {}/TMPThe second method:CP $ (Find-type f-size +50k-size-100k)/tmpThe third method:Find-type F-size +50k-size-100k-exe c CP {}/tmp \;The fourth method:Find-type f-size +50k-size-100k|xargs cp-t/tmp1.10 1.10 Please give the example of a date command in the following format: 11-02-26. Then give the implementation

An emergency for help. I have to submit the exam questions at six o'clock P.M.. Please help me. Thank you. -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Operating System Structure Analysis and Application Programming Examination Paper 1. the following commands are available: Grep computer file3> flist Sort flist Rm flist Each Command i

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C exam (Judge big-end and small-end mode) Question 1: Write a c function. If the processor is big_endian, 0 is returned. If little_endian is used, 1 is returned. Answer: Int checkcpu () { { Union W { Int; Char B; } C; C. A = 1; Return (C