Names of rows in table - Study guides, Class notes & Summaries

Software that helps business users interact with database systems. - Answer-Database Application Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. - Answer-Database Administrator Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific data. - Answer-Authorization Databa...

Tableau Desktop Specialist Exam Questions and Answers 2024/2025 Score A+. Which of the following is the best reason to create a saved data source as a .TDS file? a. Those who wish to use the data do not have access to the underlying data. b. You want to save the default field properties such as number formats and sort order. c. You want to save a snapshot of the data that will not update even when the underlying data changes. d. You need to apply an aggregation that takes too long when ...

WGU D426 V2 Actual Exam | 160 Questions and Answers 2024 Graded A. The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency An attribute that can be used to find the value of another attribute in the relation. Determinant Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key Define & manage database structures DDL Ad...

The _____ data type is considered compatible with VARCHAR(35). Ans- CHAR(15) How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B contains 18? Ans- 144 Oracle uses the _____ function to extract the various parts of a date. Ans- TO_CHAR A(n) _____ join returns not only the rows matching the join condition (that is rows, with matching values in the commun columns) but also the rows with unmatched values. Ans- outer A _____ is a query inside ...

WGU D426 (Latest 2023/ 2023 Update) Data Management Foundations Exam| Guide with Questions and Verified Answers|100% Correct| Grade A Q: What does SQL stand for? Answer: Structured Query Language. Q: What can SQL statements do? Answer: Read and write data, create and delete tables, and administer the database system. Q: What is big data? Answer: Massive volumes of online data, often with poorly structured or missing information. Q: What is NoSQL? ...

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

Tableau Desktop Specialist Exam Questions and Answers 2024/2025 Score A+. Which of the following is the best reason to create a saved data source as a .TDS file? a. Those who wish to use the data do not have access to the underlying data. b. You want to save the default field properties such as number formats and sort order. c. You want to save a snapshot of the data that will not update even when the underlying data changes. d. You need to apply an aggregation that takes too long when ...

Tableau Desktop Specialist Exam Questions and Answers 2024/2025 Score A+. Which of the following is the best reason to create a saved data source as a .TDS file? a. Those who wish to use the data do not have access to the underlying data. b. You want to save the default field properties such as number formats and sort order. c. You want to save a snapshot of the data that will not update even when the underlying data changes. d. You need to apply an aggregation that takes too long when ...

WGU C170 Pre- Assessment (New 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Graded A QUESTION Which command creates a database only if it does not already exist? Answer: CREATE DATABASE IF NOT EXISTS db_name ; QUESTION Refer to the given SQL statement. SELECT PRODNUM, PRODNAME FROM PRODUCT Which line should be added to the end of the statement to return the product numbers and product names for products that cost 20 dollars? Answer:...

MIST 4610 Multiple Choice Question and answers rated A+ 2024 MIST 4610 Muilitple Choice An instance is a particular occurrence of an attribute. (A): True (B): False - correct answer (B): False An instance is a particular occurrence of an Entity. What do Names of identifiers correspond to in a Table? (A): Columns (B): Primary Keys (C): Entities (D): Rows - correct answer (B): Primary Keys Which query returns the entire contents of a table? (A): FROM Buses SELECT ALL; (B)...