Course Hero Logo

Question 15 which statement is not correct the

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 5 - 7 out of 11 pages.

QUESTION 15Which statement is NOT CORRECT?The external layer of a database contains the logical and conceptualdata model.Changes in any of the layers in the three-layer architecture shouldminimally impact the other layers.The internal data model is situated in the internal layer.Views can be de±ned for a particular application or a user group.This facilitates control of data access and security.0.5 pointsSavedQUESTION 16The response of the DBMS to a query is the ___________0.5 pointsSavedQUESTION 17Statement A: An OLTP system is able to cope with real-time,simultaneous transactions which the database server is able to processin a huge volume.Statement B: An OLAP system uses large amounts of operational data torun complex queries on and provide insights for tactical and strategicaldecision making.Which statement(s) is/are correct?0.5 pointsSavedQUESTION 18Consider this rule: "An employee of a department can never earn morethan the manager of the department." This is an example of a:0.5 pointsSavedShow TimerQuestion Completion Status:Click Save and Submit to save and submit. Click Save All Answers to save all answers.
9/7/22, 11:47 PMTake Test: Quiz01 – 202203_Database Management ...Syntactical integrity ruleSemantical integrity rule
6/11
QUESTION 19Which statement is NOT CORRECT?In a ±le-based approach, every application had its own query andaccess procedures, even if they wanted to access the same data.

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 11 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
NoProfessor
Tags
Data Management, Database management system, Database model

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture