Query processor - Study guides, Class notes & Summaries
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WGU - D426: Objective Assessment exam Already Passed!!
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Software that helps business users interact with database systems. - Answer-Database Application 
Responsible for securing the database system against unauthorized users. A database administrator 
enforces procedures for user access and database system availability. - Answer-Database 
Administrator 
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. - Answer-Authorization 
Databa...
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WGU D426 V2 QUESTIONS AND ANSWERS 100 SOLVED
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WGU D426 V2 QUESTIONS AND ANSWERS 100 SOLVED 
Specifies indexes, table structures, and partitions. Specifies how tables are organized on storage 
media. 
Physical Design 
3 MULTIPLE CHOICE OPTIONS 
Components of a computer system and the relationships between components. 
Architecture 
3 MULTIPLE CHOICE OPTIONS 
Interact directly with database users and administrators and send queries to the query 
processor. Includes Connectors & APIs, Workbench, and utility programs. 
Tools 
3 MULTIP...
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WGU - D426 Exam; Questions and Answers 100% Correct
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WGU - D426 Exam; Questions and Answers 100% 
Correct 
Query Processor Correct answer Interprets queries. Compiles queries into low-level 
instructions for the storage engine. Creates a plan to modify the database or retrieve data, and 
returns query results to the application. 
Query optimization Correct answer The query processor performs query optimization to 
ensure the most efficient instructions are executed on the data.
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WGU - D426: Objective Assessment Exam Questions And Answers
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WGU - D426: Objective Assessment Exam Questions And Answers 
 
Database Application - ANS Software that helps business users interact with database systems. 
 
Database Administrator - ANS Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. 
 
Authorization - ANS Many database users should have limited access to specific tables, columns, or rows of a database. Database sy...
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WGU D426 - Data Management.doc Red Text Already Passed
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WGU D426 - Data M Red 
 
Text Already Passed 
 
Database Application 
software that helps business users interact with database systems 
Database Administrator 
 
Responsible for securing the database system against unauthorized users. Enforces procedures 
for user access and database system availability. 
Query Processor 
interprets queries, creates a plan to modify the database or retrieve data, and returns query results 
to the application. Performs query optimization 
Query Optimization 
ens...
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SNHU DAD 220 Intro to Structure Database Environment Module 1 - 4 Actual Quizzes | 100% Correct Answers | Verified 2024 Version
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DAD 220 - 1-3 Quiz 
Many interesting science-, technology-, engineering-, and math-oriented websites provide open-source 
data to the public. Which of the following sites provide that information? Select all that apply. - 
DATA.GOV 
NYC Open Data 
National Cancer Institute 
What four properties must be achieved for transactions to change data in a relational database? Select 
all that apply. - 
Atomicity 
Consistency 
Isolation 
Durability 
Which of the following are components of a database sy...
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WGU D426 Study Guide (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A
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WGU D426 Study Guide (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A 
 
Q: Crows Foot Notation 
 Depicts cardinality as a circle (zero), or a short line (one), or three short lines (many). The short likes look like a bird's foot. 
 
 
Q: Single-level index 
 
Answer: 
 A file containing column values, along with points to rows containing the column value. 
 
 
Q: Multi-column index 
 
Answer: 
 A composite of values from all indexed ...
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WGU - D426: Objective Assessment|A+ Graded Questions with Complete Answers
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WGU - D426: Objective Assessment|A+ Graded Questions with Complete Answers 
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 au...
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WGU - D426: Objective Assessment || with 100% Error-free Solutions.
- Exam (elaborations) • 12 pages • 2024
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Database Application correct answers Software that helps business users interact with database systems. 
 
Database Administrator correct answers Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. 
 
Authorization correct answers Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access ...
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WGU D426 Data Management Foundations exam 2023/2024
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DB Administrator - correct answer Secures the database from un-authencated access. 
 
DB Designer - correct answer Determines the format and the structure of the database 
 
DB Programmer - correct answer Develops programs or applications that will use the database 
 
DB Users - correct answer Consumers of the data no the Database. Can access the DB through the app or query the database directly. 
 
Transactions - correct answer - Ensures transaction are process completely or not at al...
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