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ITEC 325 Final Exam Guide Questions and Answers Rated A+
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ITEC 325 Final Exam Guide Questions and Answers Rated A+ What is the purpose of a database management system (DBMS)? The purpose of a database management system (DBMS) is to provide a way to store, retrieve, and manage data efficiently. What does SQL stand for? SQL stands for Structured...

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  • October 1, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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ITEC 325 Final Exam Guide Questions
and Answers Rated A+
What is the purpose of a database management system (DBMS)?


✔✔The purpose of a database management system (DBMS) is to provide a way to store,

retrieve, and manage data efficiently.




What does SQL stand for?


✔✔SQL stands for Structured Query Language.




What is normalization in database design?


✔✔Normalization is the process of organizing data to minimize redundancy and improve data

integrity.




What is a primary key?


✔✔A primary key is a unique identifier for a record in a database table.




What is the difference between a clustered and a non-clustered index?




1

, ✔✔A clustered index determines the physical order of data in a table, while a non-clustered

index is a separate structure that points to the data.




What are the ACID properties in a database?


✔✔The ACID properties are Atomicity, Consistency, Isolation, and Durability, which ensure

reliable transaction processing.




What is a foreign key?


✔✔A foreign key is a field in one table that uniquely identifies a row in another table, creating a

relationship between the two tables.




What is data integrity?


✔✔Data integrity refers to the accuracy and consistency of data over its lifecycle.




What is the purpose of a data warehouse?


✔✔The purpose of a data warehouse is to store large volumes of data for analysis and reporting.




What is a schema in the context of databases?



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