What is a database schema Samenvattingen, Aantekeningen en Examens

ICT2621 2023 Assignment 3 solution Questions: Question 1 NB: When drawing data flow diagrams (DFDs), use the Gane and Sarson symbols/notation set. 1.1 Draw, name and describe the four symbols used in a data flow diagram (DFD). You may use a table to present your answer. (6) 1.2 Briefly describe the following with respect to DFDs: 1.2.1 Levelling(2) 1.2.2 Balancing(2) 1.2.3 Data dictionary(2)1.3 Draw a diagram of an example of each of the following showing the process, and the input(s...

Schema The definition of how data in a database will be organized. - Create - Read - Update - Delete The basis of interacting with databases can be defined using the CRUD acronym. What does CRUD stand for? Brainpower 0:02 / 0:15 DATE: YYYY-MM-DD DATETIME: YYYY-MM-DD HH:MM:SS What is the DATE datatype syntax? What is the DATETIME datatype syntax? It will have 3 numbers before the decimal and 2 after. What does DECIMAL(3,2) indicate? Stored Procedures ...

WGU C702 Forensics and Network Intrusion Final Exam (Latest 2023/ 2024) Graded A |Questions and Verified Answers| 100% Correct Q: What is 4DD hexadecimal notation in binary? Answer: Q: A forensic investigator is using a hex editor to view file signatures for graphics. Which type of file is the investigator viewing when the first hexadecimal characters are 42 4D? Answer: BMP Q: What is the maximum compression ratio for JPEG files? Answer: 90% Q: Which so...

What are the three tiers in GW application architecture - Data, application, presentation (or user interface/web clients) In which tier are the following used? PCF Files, Gosu, and Data model entities? - Presentation, application, and data respectively For each of the following, identify if it is stored as a database table, as a table column, or not stored in the database at all: a) An entity (such as ABContact) b) A physical data field (such as ABContact.CreateTime) c) A virtual data fi...

True & False The objective of SOL performance tuning on the client side is to generate an SOL query that returns the correct answer in the least amount of time, using the maximum amount of resources on the server side All database transactions must display at least the properties of Atomicity, consistency, convenience, and isolation Database recovery techniques are based on the isolation transaction property which indicate that the data used during execution of a transaction cannot...

What are the three tiers in GW application architecture - Data, application, presentation (or user interface/web clients) In which tier are the following used? PCF Files, Gosu, and Data model entities? - Presentation, application, and data respectively For each of the following, identify if it is stored as a database table, as a table column, or not stored in the database at all: a) An entity (such as ABContact) b) A physical data field (such as ABContact.CreateTime) c) A virtual data fi...

WGU D491 Introduction to Analytics Actual Questions and Answers 100% Correct What is Data analytics? -The process of encrypting data to keep it secure -The process of storing data in a secure location for future use -The process of analyzing data to extract insights -The process of collecting data from various sources Ans- The process of analyzing data to extract insights. (Data analytics involves analyzing data to extract insights and inform decision-making. This includes using vario...

WGU D491 Introduction to Analytics Actual Questions and Answers 100% Correct What is Data analytics? -The process of encrypting data to keep it secure -The process of storing data in a secure location for future use -The process of analyzing data to extract insights -The process of collecting data from various sources Ans- The process of analyzing data to extract insights. (Data analytics involves analyzing data to extract insights and inform decision-making. This includes using vario...

Chapter 3: Data Models TRUE/FALSE 1. A data model is usually graphical. ANS: T PTS: 1 2. The terms data model and database model are often used interchangeably. ANS: T PTS: 1 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. ANS: T PTS: 1 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. ANS: T PTS: 1 5. Data modeling starts with a...

Radiant Logic FID Level 1 Exam Questions with Correct Answers 100% Solved What does a data source represent? -The connection to a backend server that is being virtualized. -A user's IT information. -The connection to a port the backend LDAP server is listening on. -The password for the user listed.The connection to a backend server that is being virtualized. What tools are used to manage data sources? -Main Control Panel -VDS Config Utility -Context Utility -All of the aboveAll ...