Tags: Student explanation exclude Query SEL SQL other Analytics instancesCheck the name of the student who took all the courses: Student is the student table course is the timetable SC is the timetableSelect SnameFrom studentWhere NOT EXISTS(SELECT *From courseWhere NOT EXISTS(SELECT *From SCWhere Sno =student.snoand CNO=COURSE.CNO)How to explain it? I just JoJo understand, but it is to explain to others do not understand. Hope the master to explain.-
I am in charge of OOAD courses during blog training. As there are many content involved, I have compiled a Summary of the course summary, and hope you can give us valuable comments and guidance.
OOADCourse outline
Overview
PerspectiveOOADBehind-The path, technique, and tool of software learning
This section describes the problems on the way to software learning. There are three questions about the path to software development: Tao,
Storyline 2: Easily create interactive e-learning coursesFast entry speedWith storyline's familiar and intuitive user interface, even novices can find an expert feel. No training required.Work more flexiblyCustomize your own workspace. Move the panel you use most often to any location on the desktop, or even to another monitorInspire inspirationThere's no need to create from scratch, unless you want to do it yourself. You can launch slides with templates designed by e-learning professionals, or
implement a large project, you will always use the knowledge of software engineering.
Then, from the CS practice field, select the courses that undergraduates should master: operating system, computer network, web, compilation principle, computer graphics, compilation principle, database, assembly, cryptography, a Data Mining feature is provided.
Associate courses with projects:
Operating System ---- write
Algorithm template question in Hungary
There are n courses, and each course may have different time periods. different time periods are equivalent.
Ask the maximum number of courses that can be selected without conflict.
Create a bipartite graph. One vertex indicates different courses, and the other vertex indicates the course time (hash ).
#include
"Data Structure basics" series of online courses home page, Data Structure Network CoursePreface
Since I made up my mind to solve the problem of poor students' hands-on ability, I began to build course practice resources. I became addicted to flipped classrooms, and the videos of the courses I taught gradually formed a system. While serving my own students in school, I also hope that more people can use it.
presence in the system.
Understand how rootkits communicate with command and control (CC) servers.
Be able to identify malicious behavior and defend against rootkits.
PrerequisitesThe attendees must is proficient in C + + programming. In addition, attendees is expected to has good understanding of Windows kernel internals and APIs. Codemachine ' s Windows Internals for Security researchers and Windows Kernel and Filter Driver development course
You can learn from different basics of Linux certificates. nearly 300 IT courses are free of charge-Linux general technology-Linux technology and application information. For more information, see the following. Obtaining a Linux certificate can both learn and help with employment.
Download Linux Books/Video: http://www.easthome.com/redhat.html
Master first-class Linux technology
People with different foundations can learn to obtain evidence.
I purchased the following 21 courses on office and learned some of the Office free courses.The overall feeling is:The teachers of these courses are fully prepared, connected to the atmosphere, and are closely related to the daily work we need to use.Before I signed up for a social Office training course, the study cost of expensive, needless to say, is to come and go the traffic spends more time, and each t
principles of the Software engineering: Software Engineering Objectives: the production of products with correctness, availability and cost appropriate. Correctness refers to the degree to which a software product achieves its intended function. Availability refers to the extent to which the software infrastructure, implementation, and documentation are available to the user. Overhead is the degree to which the entire cost of software development and operation meets the user's requirements. The
CoursesTime limit:20000/10000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 5214 Accepted Submission (s): 2502Problem Descriptionconsider A group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every
Super-value Guangzhou PHP training courses available in Guangzhou Chuanzhi podcast PHP language is relatively JAVA to be simple, developers don't need to learn too much to develop a "XX management system" through process-oriented methods. Therefore, the society is filled with a large number of process-oriented developers who do not understand the Http protocol! Guangzhou PHP training courses that do not kno
Front-end development is the emerging industry in recent years, is the IT industry requires relatively low occupation, while the employment of relatively high wages, many people through the Web front-end training to achieve a well-paid employment dream, the Web front-end courses in the end including what technology?Web front-end development techniques include three elements: HTML, CSS, and JavaScript, but with the popularity and popularity of Ria, Fla
Problem DescriptionConsider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every student in the Committee represents a different course (a student can represent a course if he/she visits that cours E. Each course have a repr
Consider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:
Every student in the Committee represents a different course (a student can represent a course if he/she visits that cours E
Each course have a representati
Title Link: http://acm.split.hdu.edu.cn/showproblem.php?pid=1083Time limit:20000/10000 MS (java/others) Memory limit:65536/32768 K (java/others)Problem Descriptionconsider A group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every
SOLR and. NET Series courses (vii) SOLR master-slave replication Since SOLR is a solution to a large number of full-text indexing of data, due to the high concurrency problem, we have to consider SOLR's load balancing, SOLR provides a very simple master-slave replication configuration method, then we will configure the SOLR master-slave replicationSuppose we deployed the SOLR service on the 192.168.0.8 and 192.168.0.9 two servers, 192.168.0.8 as the p
SOLR and. NET Series courses (eight) considerations for re-running indexes in SOLRIf we use SOLR in a project, it is necessary to run the data in the database into the SOLR server, there are two operations in SOLR, one is to create a new index, and one is an incremental index, here we say a new index noteStop Run Index Http://192.168.0.9:8080/solr/collection1/dataimport?command=abortStart Index Http://192.168.0.9:8080/solr/collection1/dataimport?comma
This is a post posted on the Forum. If no answer is answered, put it here first...
Select snameFrom studentWhere not exists(Select *From CourseWhere not exists(Select *From SCWhere SC. Sno = student. SnO and SC. CNO = course. CNO );In general, I know that not exists applies to all students who have not selected a course, but the program cannot understand it:For example, the inmost query statement shows the course selection information of all students who have selected
in a simple and in-depth manner, and inserts a large number of project practice content during the teaching period to integrate the learning content and apply it in actual projects, this allows students to quickly learn practical skills to make up for the lack of experience, get twice the result with half the effort, and quickly adapt to the job positions of SAP consultants for enterprises, it has become a good talent for both the ERP planning and design and implementation of large and medium-s
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.