Databases I
University of South Africa (Unisa)
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Examen
INF2603 ASSESSMENT 8 SEMESTER 2 2025 What command should be used to save permanently all changes made to a database. a. COMMIT b. WRITE ALL c. SAVE d. SAVE ALL
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---12septiembre 20252025/2026A+
- INF2603 ASSESSMENT 8 SEMESTER 2 2025 
 What command should be used to save permanently all changes made to a database. 
 a. COMMIT 
 
 b. WRITE ALL 
 c. SAVE 
 d. SAVE ALL
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excelgateinstitute
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Examen
INF2603 ASSESSMENT 8 SEMESTER 2 2025 The RDBMS automatically creates the ____ tables in which to store metadata. a. data schema b. data dictionary c. data authorization d. data appendix
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---11septiembre 20252025/2026A+
- INF2603 ASSESSMENT 8 SEMESTER 2 2025 
 The RDBMS automatically creates the ____ tables in which to store metadata. 
 a. data schema 
 b. data dictionary 
 
 c. data authorization 
 d. data appendix
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eliteacademicinstitute
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Examen
INF2603 ASSESSMENT 8 SEMESTER 2 2025 Use the value ____ to insert a row with some blank data. a. 0 b. BLANK c. [blank] d. NULL
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---12septiembre 20252025/2026A+
- INF2603 ASSESSMENT 8 SEMESTER 2 2025 
 Use the value ____ to insert a row with some blank data. 
 a. 0 
 b. BLANK 
 c. [blank] 
 d. NULL
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BMZAcademy
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Examen
INF2603 Assignment 5 (DETAILED ANSWERS) 2025 - DISTINCTION GUARANTEED
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--111agosto 20252025/2026A+
- INF2603 Assignment 5 (DETAILED ANSWERS) 2025 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ,... Without using chartGP and examples from the book provide an example to emphasize your case, describe the situations when a 3rd NF relation is in BCNF and when it is not. Because you are a registered student at UNISA and you have classmates who are your friends, please write SQL code to enter your own correct information and also...
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VarsityC
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Examen
INF2603 Assignment 5 (ANSWERS) 2025 - DISTINCTION GUARANTEED
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5.0(1)5.0510agosto 20252025/2026A+
- Achieve a distinction with this comprehensive and well-organized set of INF2603 Assignment 5 (ANSWERS) 2025 - DISTINCTION GUARANTEED. Ensure accuracy and excellence in your submission!!!! Without using chartGP and examples from the book provide an example to emphasize your case, describe the situations when a 3rd NF relation is in BCNF and when it is not. Because you are a registered student at UNISA and you have classmates who are your friends, please write SQL code to enter your own correct in...
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Edge
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Examen
INF2603 Assignment 5 (COMPLETE ANSWERS) 2025 (865742) - DUE 5 September 2025
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5.0(1)5.01013agosto 20252025/2026A+
- INF2603 Assignment 5 (COMPLETE ANSWERS) 2025 (865742) - DUE 5 September 2025; 100% TRUSTED Complete, trusted solutions and explanations. For assistance, Whats-App 0.6.7-1.7.1-1.7.3.9. Ensure your success with us.... Without using chartGP and examples from the book provide an example to emphasize your case, describe the situations when a 3rd NF relation is in BCNF and when it is not. Because you are a registered student at UNISA and you have classmates who are your friends, please write SQL code ...
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EduPal
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Examen
INF2603 ASSIGNMENT 6 SEMESTER 2 2025 EXCEL The "____" characteristic of a primary key states the following: The selected primary key must not be composed of any attribute(s) that might be considered a security risk or violation. For exam
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---28agosto 20252025/2026A+
- INF2603 ASSIGNMENT 6 SEMESTER 2 2025 EXCEL 
 
 The "____" characteristic of a primary key states the following: 
 The selected primary key must not be composed of any attribute(s) that might 
 be considered a security risk or violation. For example, using a Social Security 
 number as a PK in an EMPLOYEE table is not a good idea. 
 a. unique values 
 b. nonintelligent 
 
 c. preferably single-attribute 
 d. security compliant 
 The correct answer is: security compliant 
 Question 2 
 C...
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excelgateinstitute
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Examen
NF2603 ASSIGNMENT 6 SEMESTER 2 2025 ____ is the bottom-up process of identifying a higher-level, more generic entity supertype from lower-level entity subtypes. a. Specialisation b. Generalisation c. Partial completeness d. Total completeness Th
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---13agosto 20252025/2026A+
- NF2603 ASSIGNMENT 6 SEMESTER 2 2025 
 
____ is the bottom-up process of identifying a higher-level, more generic entity supertype from lower-level entity subtypes. 
 a. Specialisation 
 b. Generalisation 
 
 c. Partial completeness 
 d. Total completeness 
 
 The entity supertype contains the common characteristics and the entity subtypes contain the unique characteristics of each 
 entity subtype. 
 True 
 
 False
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BMZAcademy