mc2309130 003

student ID is 001; select distinct SC.S#,Sname from Student,SC where Student.S#=SC.S# and C# in (select C# from SC where S#='001');13. Change the average score of the Course taught by instructor ye Ping in the SC table; Update SC set score = (select avg (SC _2.score) from SC SC _2 where SC _2.C # = SC. C #) from Course, Teacher where Course. C # = SC. C # and Course. T # = Teacher. T # and Teacher. tname = 'peiping ');14. query the student ID and name of other students whose

(*) from SC where s#= ' 1002 '); 15, delete learning "cotyledons" Teacher class SC table records; Copy Code code as follows: Delect SC From course, Teacher where COURSE.C#=SC. C # and course.t#= teacher.t# and tname= ' cotyledons '; 16, to the SC table to insert some records, these records required to meet the following conditions: No number of "003" course of the classmate number, 2,The average score of the cla

' command 127.0.0.1:6379gt ; Hget names::001 name (nil) 127.0.0.1:6379> hget names:001 name "Niushaogang" 127.0.0.1: 6379> hsetnx names:002 name niushaojing (integer) 1 127.0.0.1:6379> hset names:002 name (err OR) ERR wrong number of arguments for ' hset ' command 127.0.0.1:6379> hget names:002 name ' niushaojing ' 127.0.0.1:6379> hmset names:003 name Niushao Sex nan age OK 127.0.0.1:6379> hget names:00 3 Sex "Nan" 127.0.0.1:6379> hmge

1. Add Sample Grabber Filter When we add sample grabber filter, we can call its interface (interface) Isamplegrabber directly. This interface can obtain a separate media Samples that pass through the filter. For more information, see DXSDK. 1.1 Derivation of their own sample grabber Derive your own class from the ISAMPLEGRABBERCB, and then implement its virtual functions, see the sample programs in the SDK (DXSDK root/samples/c++/directshow/editing/grabbitmaps) for details. 1.2 Direct call to s

After connecting the device under Ubuntu12.04, it is shown:device not found, the workaround is as follows:Try it first:ADB kill-serverADB start-serverADB shellIf you can't, follow the steps below.1) First enter the user directoryCD ~Ls-alYou can see a/.android directory.CD. AndroidThere should be a Adb_usb.ini file that is not created.Touch Adb_usb.ini2) Use LSUSB to see the vid of the connected device.Connect the device first, run[Email protected]:~/.android$ LsusbBus 001 Device 001:id 1d6b:00

# and L. score = (select max (IL. score) From SC AS IL, Student AS IM Where l. C # = IL. C # and IM. S # = IL. S # Group by il. C #) AND R. Score = (select min (IR. score) FROM SC AS IR WHERE R.C # = IR. C # Group by ir. C # ); 19. The average score of each subject ranges from high to high and the pass rate. SELECT t. C # AS course number, max (course. Cname) AS course name, isnull (AVG (score), 0) AS average score , 100 * SUM (case when isnull (score, 0)> = 60 THEN 1 ELSE 0 END)/C

by avg (t. score)18. query the highest score and lowest score of each subject: displayed as follows: course ID, highest score, lowest scoreSelect l. C # As course ID, L. score AS highest score, R. score AS lowest scoreFrom SC l, SC AS RWhere l. C # = R.C # andL. score = (select max (IL. score)From SC AS IL, Student AS IMWhere l. C # = IL. C # and IM. S # = IL. S #Group by il. C #)ANDR. Score = (select min (IR. score)FROM SC AS IRWHERE R.C # = IR. C #Group by ir. C #);19. The average score of ea

; = 60 then 1 else 0 end)/count (*) as pass percentageFrom SC T, CourseWhere T. C # = course. C #Group by t.c #Order by 100 * sum (case when isnull (score, 0)> = 60 then 1 else 0 end)/count (*) DESC20. query the average score and pass percentage of the following courses (shown in "1 line"): Enterprise Management (001), Marx (002), oo UML (003 ), database (004)Select sum (case when C # = '001' then score else 0 end)/sum (Case C # When '001' then 1 els

by il. C #)ANDR. Score = (select min (IR. score)FROM SC AS IRWHERE R.C # = IR. C #Group by ir. C #);19. The average score of each subject ranges from high to high and the pass rate.SELECT t. C # AS course number, max (course. Cname) AS course name, isnull (AVG (score), 0) AS average score, 100 * SUM (case when isnull (score, 0)> = 60 THEN 1 ELSE 0 END)/COUNT (*) AS pass percentageFrom SC T, CourseWhere t. C # = course. C #Group by t.c #Order by 100 * SUM (case when isnull (score, 0)> = 60 THEN

ZTE AC2726 is successfully installed and used on Ubuntu10.10. There should be a prompt in the lower right corner about the TF card mounting and so on, don't worry about him. Enter the terminal: root @ lijun :~ # LsusbBus007Device001: ID1d6b: 0001LinuxFoundation1. 1roothubBus006Device002: ID093a: 2510Pix China Telecom 3G wireless network adapter ZTE AC2726 is successfully installed and used in Ubuntu 10.10. First, the wireless network adapter is inserted. There should be a prompt in the lower rig

Management (001), Marx (002), OO UML (003 ), database (004) Select sum (case when c # = '001' THEN score ELSE 0 END)/SUM (case c # WHEN '001' THEN 1 ELSE 0 END) AS average score of Enterprise Management , 100 * SUM (case when c # = '001' AND score> = 60 THEN 1 ELSE 0 END) /SUM (case when c # = '001' THEN 1 ELSE 0 END) AS enterprise management pass percentage , SUM (case when c # = '002' THEN score ELSE 0 END)/SUM (case c # WHEN '002' THEN 1 ELSE 0 E

)/COUNT (*) AS pass percentageFrom SC T, CourseWhere t. C # = course. C #Group by t.c #Order by 100 * SUM (case when isnull (score, 0)> = 60 THEN 1 ELSE 0 END)/COUNT (*) DESC20. query the average score and pass percentage of the following courses (shown in "1 line"): Enterprise Management (001), Marx (002), OO UML (003 ), database (004)Select sum (case when c # = '001' THEN score ELSE 0 END)/SUM (case c # WHEN '001' THEN 1 ELSE 0 END) AS average scor

scoreCopy codeThe Code is as follows:Select l. C # As course ID, L. score AS highest score, R. score AS lowest scoreFrom SC l, SC AS RWhere l. C # = R.C # andL. score = (select max (IL. score)From SC AS IL, Student AS IMWhere l. C # = IL. C # and IM. S # = IL. S #Group by il. C #)ANDR. Score = (select min (IR. score)FROM SC AS IRWHERE R.C # = IR. C #Group by ir. C #);19. The average score of each subject ranges from high to high and the pass rate.Copy codeThe Code is as follows:SELECT t. C # AS

END)/COUNT (*) AS pass percentageFrom SC T, CourseWhere t. C # = course. C #Group by t.c #Order by 100 * SUM (case when isnull (score, 0)> = 60 THEN 1 ELSE 0 END)/COUNT (*) DESC20. query the average score and pass percentage of the following courses (shown in "1 line"): Enterprise Management (001), Marx (002), OO UML (003 ), database (004)Select sum (case when c # = '001' THEN score ELSE 0 END)/SUM (case c # WHEN '001' THEN 1 ELSE 0 END) AS average

percentageFrom SC T, CourseWhere T. C # = course. C #Group by t.c #Order by 100 * sum (case when isnull (score, 0)> = 60 then 1 else 0 end)/count (*) DESC20. query the average score and pass percentage of the following courses (shown in "1 line"): Enterprise Management (001), Marx (002), oo UML (003 ), database (004)Select sum (case when C # = '001' then score else 0 end)/sum (Case C # When '001' then 1 else 0 end) as average score of Enterprise Man

Label: /*Title: Query the function Aixinjueluo for the specified node and all its parent nodes. Yu Hua (18 years of rain, keep the iceberg Snow lotus flower Open) Time: 2008-05-12 location: Shenzhen, Guangdong*/CREATE TABLE TB (ID varchar (3), PID varchar (3), Name varchar (Ten) ) insert into TB values ('001',NULL,'Guangdong province') insert into TB values ('002','001','Guangzhou') insert into TB values ('003','001','Shenzhen') insert into TB values

1: The desktop home does not want to go any further line. So went to some east bought a USB wireless card. TP's wn725n USB, very small, is almost as large as Logitech's optimal receiver.2: The driver can identify itself is not expected, since it is USB card, after inserting USB, then LSUSBSee the newly added line Realtek ID 0bda:8179[HTML]View Plaincopy [Email protected]:/# Lsusb Bus 001 Device 001:id 1d6b:0002 Linux Foundation 2.0 root Hub Bus 002 Device 001:id 1d6b:0003 Linux Foundatio

=publishers.ph Left JOIN:Sele TITLES.SH,PUBLISHERS.PH,PUBLISHERS.MC;From the titles left join publishers;On titles.ph=publishers.ph Right join:Sele TITLES.SH,PUBLISHERS.PH,PUBLISHERS.MC;From the titles right join publishers;On titles.ph=publishers.ph As you may see, except for the keyword that precedes the join, the other places are exactly the same, and the link conditions (that is, on that part) are the same. Results: Links Within: 232342 001 Red Tiger 0432

Have the following data sheetIf we want to query all the child nodes of the data with ID 003 We can use the CTE recursive query to complete ...[SQL]View Plaincopyprint? If object_id (' TB ',' N ') is not null drop table TB; Create table TB (ID varchar (3), PID varchar (3), name varchar (10)); INSERT INTO TB values (' 001 ', null, ' Guangdong province '); INSERT INTO TB values (' 002 ', ' 001 ', ' Guangzhou '); INSERT INTO

Tags: style blog http color io using AR data divHave the following data sheetIf we want to query all the child nodes of the data with ID 003 We can use the CTE recursive query to complete ...if object_id('TB','N') is not NULL Drop TableTB;Create TableTB (IDvarchar(3), PIDvarchar(3), namevarchar(Ten));Insert intoTbValues('001',NULL,'Guangdong province');Insert intoTbValues('002','001','Guangzhou'); Insert intoTbValues('