Database manipulation - Study guides, Class notes & Summaries

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...

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 d...

TEST BANK FOR NURSING RESEARCH METHODS AND CRITICAL APPRAISAL FOR EVIDENCE- BASED PRACTICE 9TH EDITION BY GERI LOBIONDO-WOOD, AND JUDITH HABER   Chapter 01: Integrating Research, Evidence-Based Practice, and Quality Improvement Processes LoBiondo-Wood & Haber: Nursing Research: Methods and Critical Appraisal for Evidence-Based Practice, 9th Edition MULTIPLE CHOICE 1. Nursing research is significant to the profession of nursing because it promotes: a. more specifically defined nu...

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequ...

WGU - D427 - Data Management - Applications – PreAssessment Questions and Answers Already Passed What is the primary purpose of a database management system (DBMS)? a. To increase data redundancy b. To provide a framework for data manipulation c. To manage and organize data efficiently d. To eliminate the need for data security Which of the following is an example of a relational database? a. MySQL b. Google Sheets c. Microsoft Word d. Adobe Photoshop What does SQL stand f...

Test Bank for Programming With Microsoft Visual Basic 2019/2022 9e 9th Edition by Diane Zak. Full Chapters test bank are included - Chapter 1 to 13 (Complete chapters included with answers) 1. An Introduction to Visual Studio 2019/2022 and Visual Basic. 2. Planning Applications and Designing Interfaces. 3. Coding with Variables, Named Constants, and Calculations. 4. The Selection Structure. 5. The Repetition Structure. 6. Sub and Function Procedures. 7. String Manipulation. 8. Arrays. ...

TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (B) Non- Procedural language. (C) Data definition language. (D) High level language. Ans: B ...

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...

ad hoc query A "spur-of-the-moment" question analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database A database located at a single site cloud database A database that is created and maintained using cloud services, such as Microso...

WGU Question and answers already passed 2024 Section 2 An SQL ______ is a complete command composed of one or more clauses. A ______ groups SQL keywords like SELECT, FROM, and WHERE with table names like City, column names like Name, and conditions like Population > 100000 statement, clause The SQL language is divided into five sublanguages: Data Definition Language (DDL) defines the structure of the database. Data Query Language (DQL) retrieves data from the database. Data ...