Sql commands - Study guides, Class notes & Summaries

WGU c170 The Most Important SQL Commands(SQL study guide)

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? 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 a series of commands stored on the database. This a...

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...

SQL COMMANDS

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...

BUAD 342 Exam 2 Latest Version Already Passed File-Oriented Processing Mandate a 1-to-1 relationship between programs and data files Data-Oriented Processing Create a single data repository to support numerous applications; a data pool is created and a variety of programs access needed data from the shared data pool Database Management System (DBMS) The resource available to define and manage data structures in an information system Relational Database Based on the theory of rel...

WGU C175/d426 Data Management Foundations Final Exam Review Questions and Answers 2024/2025 | 100% SOLVED. 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 ...

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 ...

DAD 220 Module 3 Major Activity Database Documentation Questions and Answers Updated 2024. Overview Complete these steps as you work through the directions for this activity. Replace the bracketed text with your screenshots and brief explanations of the work they show. Each screenshot and its explanation should be sized to approximately one quarter of the page, with the description written below the screenshot. Follow these rules for each of the prompts and questions below. Review the exam...

DAD 220 Module 3 Major Activity Database Documentation Questions and Answers Updated 2024. Overview Complete these steps as you work through the directions for this activity. Replace the bracketed text with your screenshots and brief explanations of the work they show. Each screenshot and its explanation should be sized to approximately one quarter of the page, with the description written below the screenshot. Follow these rules for each of the prompts and questions below. Review the exam...