Sql data manipulation - Study guides, Class notes & Summaries

WGU D426 Final Exam Review (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: In SQL language, what sublanguage (creates, alters, and drops tables) defines the structure of the database? Answer: Data Definition Language (DDL) Q: In SQL language, what sublanguage retrieves data from the database? Answer: - Data Query Language (DQL) Q: In SQL language, what sublanguage manipulates (inserts, updates and delet...

WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? ...

Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? -They are logical constraints that ensure the data is valid. -They are...

Nursing Informatics Certification Exam, ANCC Informatics, ANCC Nursing Informatics Certification Review 629 Questions with Answers Meta structure of NI - CORRECT ANSWER The ability of the nurse to utilize data, information, and knowledge to make wise clinical decisions. Definition of Nursing Informatics - CORRECT ANSWER A speciality that integrates nursing science with multiple information and analytical sciences to identify, define, manage and communicate data, information, knowledge and ...

ISDS 7301 QUESTIONS AND ANSWERS 100% CORRECT 2024 What does a relational database do? Organizes data and tables , these are also called relations What are the different components of a database system? Database application programs , client components , database serves(s), and databases Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:07 / 0:15 Full screen What is the task of a database server To manage data stored in a da...

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 ...

CNIT 272 Final Exam Questions and Answers Rated A A Primary Key having the fewest number of attributes to make it unique is called. Minimization If the child entity requires the primary key of the parent entity for its unique identity, then you create ______. Identifying Relationship If each child record has a unique identifier of its own, then the relationship is know as a _______. Non-Identifying Relationship Entities that have no foreign keys in their pk. Independent Entity Entities that...

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 ( wh...

CHAPTER SEVEN SQL FOR DATABASE CONSTRUCTION AND APPLICATION PROCESSING Prepared By David J. Auer Western Washington University DAVID M. KROENKE AND DAVID J. AUERScholarStockChapter Seven – SQL For Database Construction and Application Processing  CHAPTER OBJECTIVES  To be able to create and manage table structures using SQL statements  To understand how referential integrity actions are implemented in SQL statements  To be able to create and use SQL constraints  To und...

WGU C175 OBJECTIVE ASSESSMENT PRACTICE TEST ANSWER 1. The Entity-Relationship (E-R) model is _____. a. a diagramming technique that describes record structures (i.e. the fields that make up the records of a file) b. an alternative to indexing and hashing as a means for providing direct access in files c. a diagramming technique that describes entities, their attributes, and the relationships between them d. an alternative to file design in which attributes are used instead of fields e. a diagram...