Boyce codd - Samenvattingen, Aantekeningen en Examens

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MIST 4610 Final Exam Question and answers correctly solved 2024 MIST 4610 Final Exam Normalization - correct answer Method for increasing the quality of database design and a theoretical base for defining the properties or relationships. Goal is identical to data modeling- a high fidelity system. The recommended approach for arriving at a normal form is data modeling. 1NF - correct answer If and only if all columns are single valued. All occurrences of a row must have the same number ...

WGU C170 Focused on Chapter 6 Normalization Practice Study Guide Questions with Distinction level Marking scheme version 2024/2025 atomic attribute - correct answer An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity - correct answer The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of ...

Access plan - Answer-A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE - Answer-The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AREA - ...

Normalization - ANSWER Method for increasing the quality of database design and a theoretical base for defining the properties or relationships. Goal is identical to data modeling- a high fidelity system. The recommended approach for arriving at a normal form is data modeling. 1NF - ANSWER If and only if all columns are single valued. All occurrences of a row must have the same number of columns. An attribute that can have multiple values must be represented as a one to many relationship at a...

Principles of Data Management Exam 1 Questions With Correct Answers .Advantages of DB Systems and DB Management - ANSWER-- data independence - DB modelling - managing structured, semi-structured, and unstructured data - managing data redundancy - specifying integrity rules - concurrency control - backup and recovery facilities - data security - performance utilities .Aggregation - ANSWER-- entity types that are related by a particular relationship type can be combined or aggregated...

CPTR 424 Review 2A diagram that shows what privileges have been given to users is called a(n) A. authorization graph B. access control matrix C. wait-for graph D. DBA view A. authorization graph A functional dependency is actually a _______ relationship from attribute set A to attribute set B. A. one-to-one B. recursive C. many-to-many D. many-to-one D. many-to-one A hardware or software barrier that protects an intranet from unauthorized access is a(n) A. access control...

MIST 4610 Final Exam CorreNormalization - ANSWER Method for increasing the quality of database design and a theoretical base for defining the properties or relationships. Goal is identical to data modeling- a high fidelity system. The recommended approach for arriving at a normal form is data modeling. 1NF - ANSWER If and only if all columns are single valued. All occurrences of a row must have the same number of columns. An attribute that can have multiple values must be represented as a one...

atomic attribute - -An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity - -The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of a transaction must be completed or the entire transaction is aborted. Boyce-Codd normal form (BCNF) - -A special type of third normal form (3NF) in which every ...

Storage Manager - Translates the query processor instructions into low-level filesystem commands that modify OR retrieve data. Uses indexes to quickly locate data. Third Normal Form (3NF) - All non-key columns depend on the key, the whole key, and nothing but the key. Domain - A named set of possible database values, such as integers, dictionary words, or logical values (TRUE and FALSE). Boyce-Codd Normal Form - What normal form am I? A table is in this normal form if whenever column A d...