Relational returns - Study guides, Class notes & Summaries

SQL and Excel Interview for FDM Exam Questions With Correct Answers. What is a DBMS? - answerA Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than saving it in file systems What is RDBMS? - answerRDBMS stands for Relational Database Management System. RDBMS store the data into the collection of tables, which is related by common fields between the columns of...

UTA INSY 3304 - Exam 2 - Chapter 7&9 Latest 2023 Graded A Data definition language DDL Data manipulation language DML CREAT SCHEMA AUTHORIZATION Creates a database schema CREATE TABLE Creates a new table in the user's databse schema NOT NULL Ensures that a column will not have null values UNIQUE Ensures that a column will not have duplicate values PRIMARY KEY Defines a primary key for a table FOREIGN KEY Defines a foreign key for a table DEFAULT Defines a default value for a column ( whe...

WGU D426 Data Management Foundations Final Exam (Latest 2023/ 2023 Update) | Questions and Verified Answers|100% Correct| Grade A Q: Architecture Answer: Describes the internal components AND the relationships between components. Q: Query Processor Answer: Interprets queries, creates a plan to modify the database or retrieve the data, and returns query results to the application. Performs query optimization. Q: Query Optimization Answer: Ensures efficient instr...

WGU D426 Objective Assessment (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: Data Type INT stores integer values. DECIMAL stores fractional numeric values. VARCHAR stores textual values. DATE stores year, month, and day. Q: Database Design Answer: Analysis Logical design Physical design Q: Analysis Phase, Conceptual Design, Entity-Relationship Modeling (Database Design) Answer: This phase speci...

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...

WGU - D426: Objective Assessment Questions and Answers Already Passed Database Application Software that helps business users interact with database systems. Database Administrator Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authoriz...

WGU - D426: Objective Assessment|A+ Graded Questions with Complete Answers Database Application Software that helps business users interact with database systems. Database Administrator Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization Many database users should have limited access to specific tables, columns, or rows of a database. Database systems au...

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...

DB Administrator Secures the database from un-authencated access. DB Designer Determines the format and the structure of the database DB Programmer Develops programs or applications that will use the database DB Users Consumers of the data no the Database. Can access the DB through the app or query the database directly. Transactions - Ensures transaction are process completely or not at all - Prevents conflict between concurrent transactions - Ensure transacti...

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