Referential integrity - Study guides, Class notes & Summaries

ISDS 402 Final Test Questions & Answers 2024/2025 Imagine we have a number of controls in place in the database to keep from having two people being issued the same seat for the same event. Fortunately, our database controls are in place and working. How might we describe the state of the database? a. Invalid state b. Imaginary state c. Valid state d. Uncomfortable state - ANSWERSValid state Referential integrity is a constraint that involves how many tables? a. Three tables b....

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 | Latest Update | 300 QUESTIONS AND CORRECT ALREADY GRADED A+ | 2024/2025 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 f...

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 ...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) Graded 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 NULL or match some primary key...

CDW110v Caboodle - Referential Integrity-Questions with Correct Answers/ Verified/ 100% Pass

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers 2024/2025 (Graded 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 NULL or match some primary key val...

DBI202 FINAL EXAM REAL EXAM QUESTIONS AND CORRECT ANSWERS (NEWEST VERSION) Which of the followings is false about weak entity set? Choose one answer. a. Every many - one relationship from a weak entity set need be supporting b. The key for a weak entity set includes the keys for all supporting entity sets c. A weak entity set has one or more relationships to other (supporting) entity sets d. Do not construct a relation for any supporting relationship - Answer b. The key for a we...

WGU D426 Alt Practice Test Latest Update 100% Solved UPDATE tablename ***** [WHERE conditionlist]; What command replaces the ***** in the above statement? a. SET columnname = expression b. columnname = expression c. expression = columnname d. LET columnname = expression a. SET columnname = expression A record consists of a ____. a. character b. collection of related records c. set of one or more fields d. group of files c. set of one or more fields A DBMS perform...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)LATEST 2023|ALREADY GRADED A+ 2 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 What is an important ...

Data Management - Foundations - C175 Latest Update 100% Pass ad hoc query A "spur-of-the-moment" question. analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making. availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes. Centralized A database located at a single site. cloud database A database that is cre...