Truncate table - Study guides, Class notes & Summaries
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WGU D426 V2 Exam with Guaranteed Accurate Answers
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The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. - correct answer Functional Dependency 
 
An attribute that can be used to find the value of another attribute in the relation. - correct answer Determinant 
 
Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. - correct answer Candidate Key 
 
Define & manage database structures - correct answer DDL 
 
Adding...
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WGU - D426: Objective Assessment exam with 100% correct answers already graded A
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Database Application 
Software that helps business users interact with database systems. 
 
 
 
Database Administrator 
Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. 
 
 
 
Authorization 
Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific data. 
 
 
 
Rules 
Database...
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PowerBI cert - Random exam questions and answers 2024
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Phases in Data Analytics 
- Data requirement gathering 
- Data source identification 
- Data cleaning 
- Data processing 
- Exploratory data analysis 
 
 
 
Types of Analytics 
- Descriptive analytics 
- Diagnostic analytics 
- Predictive analytics 
- Cognitive analytics 
- Prescriptive analytics 
 
 
 
Roles in data science 
- Data analyst 
- Business analyst 
- Data engineer 
- Data scientist 
- Database admin 
 
 
 
Data analyst 
- jack of all traits 
- PowerBI (minimal/no code) 
- PM / stake...
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WGU D426 V2 EXAM 2024 WITH 100% CORRECT ANSWERS
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WGU D426 V2 EXAM 2024 WITH 100% CORRECT ANSWERS 
 
The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. - correct answer Functional Dependency 
 
An attribute that can be used to find the value of another attribute in the relation. - correct answer Determinant 
 
Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. - correct answer Candidate Key 
 
Define & manage...
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Introduction to Databases - Module 2 test questions and answers
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Forms-Based Query Language 
uses a GUI-panel (interactive visual components) for the creation of a query 
 
entering data values directly into a query templet 
 
lend itself well to users who are more accustomed to GUI environments than to typing commands 
 
ex: database user defines queries by entering sample data values directly into a query template to represent the result that the database is to achieve 
 
 
 
Command-Based Query Language 
uses written text commands for the creation of a que...
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WGU - C170 - Data Management Applications exam (100% correct and graded A+)
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Create Database Syntax - Answer-CREATE DATABASE db_name; 
Simple SFW query syntax - Answer-SELECT * FROM db_name WHERE column_name operator value; 
Cardinality: Inside or outside? - Answer-Outside 
Modality: Inside or outside? - Answer-Inside 
What commands are used with data definition? - Answer-create, alter, drop, truncate, comment, 
rename 
What commands are used with data manipulation? - Answer-Select, Insert, Update, Delete, Merge, 
Call, Explain Plan, Lock Table 
Create Table Syntax - Ans...
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WGU Course C170 - Data Management (Applications) Quizlet (100% Guaranteed Pass) WGU
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Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kind of relationship is displayed in this entity-relationship diagram? A Binary many-to-many B Unary one-to-one C Ternary many-to-many D Ternary one-to-one D Unary many-to-many E Binary one-to-one B How is this portion of the entity-relationship diagram read, from left to right? A At least one book was written by an author. B Only ...
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DBI 202 Exam (Full) | Questions and Answers (Complete Solutions)
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DBI 202 Exam (Full) | Questions and Answers (Complete Solutions) QN=1 (6803) A ____ is a logically coherent collection of data with some inherent meaning, representing some aspect of real world and being designed, built and populated with data for a specific purpose a. Database b. Database Instance c. Schema d. Schema Instance QN=2 (6801) Choose the most correct statement. a. Database is created and maintained by a DMBS b. All of the others c. Database is a collection of data that is managed b...
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WGU D426 V2 with complete verified solutions.
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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 choice options 
 
 
Define & manage database st...
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WGU D426 V2 Complete Answers 100% Correct (Latest 2024) STUDY GUIDE
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WGU D426 V2 Complete Answers 100% Correct (Latest 2024) 
STUDY GUIDE 
 
1. The relationship (within the relation) that describes how the value of one attribute may be 
used to find the value of another attribute. 
Answer: Functional Dependency 
2. An attribute that can be used to find the value of another attribute in therelation. 
Answer: Determinant 
3. Value can be used to find the value of every other non-key attribute in thetable. Unique and 
minimal. 
Answer: Candidate Key 
4. Define & m...
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