Dml exam Study guides, Class notes & Summaries
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![WGU Data Management - Foundations - D426 Exam Questions and Answers](/docpics/4558465/65d59d347bc94_4558465_121_171.jpeg)
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WGU Data Management - Foundations - D426 Exam Questions and Answers
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WGU Data Management - Foundations - D426 
Exam Questions and Answers 
Which requirement within large, complex databases ensures users have limited access 
to the database? 
Recovery 
Performance 
Authorization 
Confidentiality - Answer-Authorization 
Which design type specifies database requirements without regard to a specific 
database system? 
Physical design 
Conceptual design 
Logical design 
Abstract design - Answer-Conceptual design 
3. What characterizes the rules of relational databases...
![WGU D426 V2 Actual Exam | 160 Questions and Answers 2024 Graded A.](/docpics/4937995/661179561ebe5_4937995_121_171.jpeg)
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WGU D426 V2 Actual Exam | 160 Questions and Answers 2024 Graded A.
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WGU D426 V2 Actual Exam | 160 Questions and Answers 2024 Graded A. 
The relationship (within the relation) that describes how the 
value of one attribute may be used to find the value of 
another attribute. 
 Functional Dependency 
An attribute that can be used to find the value of another 
attribute in the relation. 
 Determinant 
Value can be used to find the value of every other non-key 
attribute in the table. Unique and minimal. 
 Candidate Key 
Define & manage database structures 
 DDL 
Ad...
![CIS 407 final Exam Questions and answers, Graded A+/ 2024/25 Exam PREDICTOR PAPER](/docpics/4083999/6588a756e78e1_4083999_121_171.jpeg)
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CIS 407 final Exam Questions and answers, Graded A+/ 2024/25 Exam PREDICTOR PAPER
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CIS 407 final Exam Questions and 
answers, Graded A+ 
What is the difference between DDL, DML, and DCL? Examples? - -DDL (data definition language) = 
define and manage structure of the database 
ex. create, alter, drop table 
DML (data manipulation language) = manipulate data 
ex. insert into table, update, delete from 
DCL (data control language) = controls access to data 
ex. grant, revoke 
How to create a table in SQL - -CREATE TABLE name ( 
how to alter a table in SQL - -ALTER TABLE nam...
![DML Final Exam Set](/docpics/636f32e16b5ea_2100794.jpg)
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DML Final Exam Set
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weld - Answer - made when separate pieces of material to be joined combine and form one piece when heated to a temperature high enough to cause softening or melting 
 
benefits of welding - Answer - dependable, efficient, economic method for permanently combining materials 
 
how many axes of motion do the manual lathes have - Answer - 2 (x and z) 
 
what typically gets clamped into the lathe's chuck - Answer - the part you are working with 
 
what typically gets clamped into the tailstock - An...
![CIS 407 final Exam Questions and answers, Graded A+. latest updates.](/docpics/4106873/658f2f9bd8cff_4106873_121_171.jpeg)
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CIS 407 final Exam Questions and answers, Graded A+. latest updates.
- Exam (elaborations) • 16 pages • 2023
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CIS 407 final Exam Questions and 
answers, Graded A+ 
What is the difference between DDL, DML, and DCL? Examples? - -DDL (data definition language) = 
define and manage structure of the database 
ex. create, alter, drop table 
DML (data manipulation language) = manipulate data 
ex. insert into table, update, delete from 
DCL (data control language) = controls access to data 
ex. grant, revoke 
How to create a table in SQL - -CREATE TABLE name ( 
how to alter a table in SQL - -ALTER TABLE nam...
![WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved](/docpics/4954108/6614a74648af1_4954108_121_171.jpeg)
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WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved
- Exam (elaborations) • 31 pages • 2024
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WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? -They are logical ...
![DML UPDATED Exam Questions and CORRECT Answers](/docpics/5599529/6666e4c5e05b9_5599529_121_171.jpeg)
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DML UPDATED Exam Questions and CORRECT Answers
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DML UPDATED Exam Questions and 
CORRECT Answers 
1. Drilling 
2. Knurling 
3. Profiling 
4. Boring 
5. Threading 
6. Facing 
7. Chamfering 
8. Turning 
9. Parting - Ans What are the 9 lathe operations 
the material/workpiece 
the chuck - Ans What rotates on a lathe?
![WGU D426 V2 Exam Questions And Answers](/docpics/5483929/665822610e684_5483929_121_171.jpeg)
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WGU D426 V2 Exam Questions And Answers
- Exam (elaborations) • 21 pages • 2024
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WGU D426 V2 Exam Questions And Answers 
 
The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. 
Functional Dependency 
3 multiple choice options 
 
 
An attribute that can be used to find the value of another attribute in the relation. 
Determinant 
3 multiple choice options 
 
 
Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. 
Candidate Key 
3 multiple choi...
![DML Final Exam Questions Answers 2022/2023](/docpics/636fc8681b1de_2101866.jpg)
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DML Final Exam Questions Answers 2022/2023
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ram - Answer - Which of the following is not a common component of an engine lathe? 
headstock 
cross slide 
tool post 
tailstock 
ram 
 
B&C - Answer - What rotates on a lathe? 
cutting tool 
chuck 
material/workpiece 
B&C 
none 
 
False, cylindrical - Answer - Turning is a metal cutting process used mainly for the generation of rectangular surfaces. 
 
in the tailstock - Answer - Which of the following is not a common workholding method on a lathe? 
in the chuck 
between centers 
in the tailst...
![DML Exam 2 Part 1 Questions And Answers 2022/2023](/docpics/636fc51f96cd4_2101851.jpg)
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DML Exam 2 Part 1 Questions And Answers 2022/2023
- Exam (elaborations) • 10 pages • 2022
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Define the term pitch diameter - Answer - diameter in between the major and minor diameter 
 
Name two ways to measure a thread - Answer - Thread micrometer or three-wire thread measurement method. 
 
What is the rule of thumb for the length of internal thread to maximize the strength of the bolt? - Answer - As much as the screw diameter; a better assembly will result when 1.5 times the screw diameter is used 
 
Describe when class two fits are used. - Answer - Most screws, nuts, and bolts used ...
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