Composite primary key - Study guides, Class notes & Summaries

WGU C170 Data Management SQL Problem Solving Questions and ChatGPT' Solutions 2024/2025 Structural Constraints: - correct answer Rules that apply to all relational databases and dictate the structure of data. Business Policies: - correct answer Specific rules for a given database and application that govern the data. NULL - correct answer Represents missing data in a special value format. Operator - correct answer A symbol that calculates a value based on one or more operands. IS...

A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? One-to-one One-to-many Many-to-many One-to-one binary - Answer-Many-to-many Which two examples are attributes? Choose 2 answers A person attending a meeting An employee number A sales meeting A meeting code - Answer-An employee number A meeting code Which delete rule sets column values in a child table to a missing value whe...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT ANSWERS ASSURED A+. VERSION A What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully ...

Exam 2- Chapter 3, GIS, GIS Exam 1 and 2, GIS // Midterm, Geospacial Technology Chapter 1-3, Geospatial, ArcGIS - ESRI, GIS Test one, Geodesy - Week 4 - ESRI Online Course, Geospatial Test 1, GeoScience Final, Geospatial Data and Technology, GIS Test Questions and Answers 100% Pass 1) SQL is a data sublanguage, not a complete programming language. - Answer: TRUE 2) When using SQL to create a table, a column is defined by declaring, in this order: data type, column name, and optional cons...

WGU C170 - Data Management – Applications Latest 2024 Already Graded A Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the context of a database...

WGU C170 Prerequisite pretest Exam training Questions with Rated A + Marking Scheme Latest 2024/2025 AREA - correct answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - correct answer See composite entity. bridge entity - correct answer See composite entity. candidate key - correct answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - cor...

C170 Data Management Application Questions with solutions 2023 AREA In DB2, a named section of permanent storage space that is reserved to store the database. associative entity See composite entity. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:09 / 0:15 Full screen bridge entity See composite entity. candidate key A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a ...

AREA - correct answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - correct answer See composite entity. bridge entity - correct answer See composite entity. candidate key - correct answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - correct answer A property of relational operators that permits the use of relational algebra operators on e...

2024 CIT Exam 1 Questions & Answers 100% CORRECT A database is said to be normalized only when all of the tables in the database are in normal forms. - ANSWERStrue A/An _______________________ uniquely identifies each row in a table. - ANSWERSprimary key A composite key can be created by only up to 3 columns - ANSWERSfalse What are two of the most important pieces of information stored in a database about an entity? - ANSWERSAttributes and Relationships A primary key relates one...

AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. bridge entity - -See composite entity. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - -An...