TYUT Taiyuan University of Technology 2022 Decomposition relation model of database problems

Four decomposition relation model of question type ： Examination site ： Basic functional dependencies of relational patterns , Relationship candid...
2022-05-30 15:12 views 26

TYUT Taiyuan University of Technology 2022 Relational algebra of database

Given in the question “ Relational database schema ”, Let's use “ Relational algebraic expression ” Representing various queries let's take a brie...
2022-05-30 14:00 views 23

TYUT A brief introduction to the database of Taiyuan University of technology in previous years

The brief questions of previous years do not apply to this year , You should also recite the short answer questions in the two question banks in B...
2022-05-30 08:51 views 31

utilize Python Automatic operation Excel file

hello everyone I'm Zhengyin, and everyone can use it in their work and study Excel file format , Especially when there are a lot of data , It is...
2022-05-29 10:54 views 25

TYUT Taiyuan University of Technology 2022 Database operation of database problems

Question 3 database operations 2 Quasi question type ： The first is to give several groups of relational patterns without data , Perform database ...
2022-05-28 00:50 views 22

Learn this automated test artifact , Can't write code

front To do automated testing, we must understand that DDT Data driven testing , The advantage of this is that it can be tested flexibly throu...
2022-05-24 17:26 views 23

[ Blue Bridge Cup 2020 Preliminary ] Score statistics and sum of substring scores

Xiao Lan organized an exam for the students , The total score of roll surface is 100 branch , Each student's score is one 0 reach 100 Integer o...
2022-05-24 13:44 views 20

TYUT Taiyuan University of Technology 2022 Mixed index of operating system problems

Question type III ： The number of blocks that can be indicated by a mixed index per block = Disk block size / Block number size indirect index blo...
2022-05-23 23:02 views 15

TYUT Taiyuan University of Technology 2022 Address translation of operating system problems

Question type 2 ： Address translation there are two types of address translation ： Basic address conversion mechanism and address conversion mecha...
2022-05-23 22:38 views 42

TYUT Taiyuan University of Technology 2022 Operating system problems PV operation

Question type 1 ：PV Operation foreword ： This question will give us a task （ It can usually be done in several steps , Each step is a process ）, A...
2022-05-23 22:36 views 23
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