Rdbms characteristics - Study guides, Class notes & Summaries

Documenting ETL Requirements - ANSWER-Has three sections: Requirements Summary - what it does, system, and type and frequency Standard: architectural framework, strategy, design conventions, describe the operation flow at the high level and dependencies Job-Level Details: ind. job. Course Chapters - High level Objectives - ANSWER-1) Understanding and Describing Data 2) The Basics of SQL for Analytics 3) SQL for Data Preparation 4) Aggregate Functions for Data Analysis 5) Window Functio...

In the context of XML technology, an XML benchmark is a tool for evaluating and comparing the performance of new XML developments with existing XML technology (Lu et al. 2005). Because of the nature of XML databases and the variety of different platforms used to store these databases (e.g. RDBMS and OO-RDBMS), the benchmarking process mainly examines the performance of the underlying storage-model, the associated query processor and the update handler (Lu et al. 2005). In ter...

IBM Data Science graded A+ already passedWhat is meant by 'pure subset' when working with decision trees? Select all that apply. a. All attributes of a leaf had yes for answer. b. All attributes of a leaf had no for answer. d. The leaf cannot be divided any further. If you had to choose one overarching difference between these methodologies in Question 19, which of the following would best depict that difference in approach? a. Unlike KDD and SEMMA, CRIPS-DM considers business under...

Data Management Applications C170 with complete solution. Graded A+. 2022/2023. Document Content and Description Below Data Management Applications C170 with complete solution What is a table? Answer- A table is a persistent representation of a logical relation that is a relation whose contents can be saved for per manent use. What are the characteristics of a relational table? Answer- The characteristics of a relational table are that a table is perceived as a two-dimensional structure compos...

primary data source The health record is considered a ________________________ because it contains information about a patient that has been documented by the professionals who provided care or services to that patient. secondary data source Data taken from the primary health record and entered into registries and databases are considered a _____________________. patient-identifiable data The health record consists entirely of _____________________. In other words, every fact re...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

A universal goal to improve patient safety is the use of surgical pause. This is one of the main goals of The Joint Commission International Center for Patient Safety. When setting up relational databases, the primary key refers to a field or set of fields that uniquely identifies each record stored in the table. Technology assessment within a project is used to: consider the effect of technology when it is introduced, extended, or modified. MUMPS or M traditional dat...

  True / False 1. Data and information are essentially the same thing. a. True b. False ANSWER: False DIFFICULTY: Easy REFERENCES: 1-2 Data versus Information LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 2. Data processing can be as simple as organizing data to reveal patterns. a. True b. False ANSWER: True DIFFICULTY: Easy REFERENCES: 1-2 Data versus Information LEARNING OBJECTIVES: 01.01 - Define the difference between data and inform...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS) ALREADY GRADED A+ VERSION A What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integri...