Foreign key fk - Study guides, Class notes & Summaries

All SQL Sub Languages. correct answers DDL: Data Definition Language DML: Data Manipulation Language DCL: Data Control Language TCL: Transaction Control Language DDL correct answers Data Definition Language - Used to define the schema of the database -- CREATE: creates and defines the table -- ALTER: modifies an existing table -- TRUNCATE: Removes all data from the table, leaves the schema, cannot rollback, ignores constraints -- DROP: Drops the table, cannot rollback DML correct a...

WGU C170 Chapter 1|Latest Update Complete with A+ Graded Answers 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 existin...

Chapter 03 Data Modeling True / False Questions 1. The Object Management Group maintains the standard for Unified Modeling Language (UML) Class diagrams. True False 2. Unified Modeling Language (UML) Class diagrams describe the logical structure of a database system. True False 3. A Class is a separately identifiable collection of business relationships. True False 4. In Unified Modeling Language (UML) Class diagrams, a Class is represented by a rec...

MISY 5300Steps in information level design - correct answer Describing the attributes needed for each entity as well as the relationships between the entities based on business rules. This process typically involves creating an entity-relationship (E-R) diagram to visually represent the database design User views - correct answer The specific data needed by a person or process for a particular task One-to-Many Relationship - correct answer Means one record in the table on the "one side of...

A database is said to be normalized only when all of the tables in the database are in normal forms. - correct answer true A/An _______________________ uniquely identifies each row in a table. - correct answer primary key A composite key can be created by only up to 3 columns - correct answer false What are two of the most important pieces of infor...

Area - ANSWER In DB2, a named section of permanent storage space that is reserved to store the database. candidate key - ANSWER A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - ANSWER A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - ANSWER An entity designed to transform an M:N relationship into tw...

WGU C170 Chp 1, With Complete Verified Solution 2024. AREA in DB2, a named section of permanent storage space that is reserved to store the database. associative entity another name for composite entity, bridge entity or linking table bridge entity another name for composite entity, associative entity or linking table candidate key a minimal superkey; that is, a key that dows not contain a subset of attributes that is itself a superkey. closure A property of relational operators that p...

RDBMS acronym correct answers relational database management system RDBMS attributes correct answers data stored in tables, relationships represented by common values such as primary keys and foreign keys 3 benefits of having the SQL standard correct answers reduced training costs, productivity, application portability, application longevity, reduced dependence on a single vendor, cross-system comms 3 categories of SQL commands correct answers DDL(definition), DML(manipulation), DCL(con...

All SQL Sub Languages. correct answers DDL: Data Definition Language DML: Data Manipulation Language DCL: Data Control Language TCL: Transaction Control Language DDL correct answers Data Definition Language - Used to define the schema of the database -- CREATE: creates and defines the table -- ALTER: modifies an existing table -- TRUNCATE: Removes all data from the table, leaves the schema, cannot rollback, ignores constraints -- DROP: Drops the table, cannot rollback DML correct a...

WGU C170 VHT2 TASK 1 NORMALIZATION AND DATABASE DESIGN VHT2 TASK 1: NORMALIZATION AND DATABASE DESIGN Course: Data Management – Applications – C170 John Smith Western Governors University Student ID # ######## Nora’s Bagel Bin Database Blueprints First Normal Form (1NF) BAGEL ORDER PK Bagel Order ID PK Bagel ID Order Date First Name Last Name Address 1 Address 2 City State Zip Mobile Phone Delivery Fee Bagel Name Bag...