7.1 Identify examples of independent and dependent variables, anddescribe several strategies for controlling for confounding variablesin experimental studies.7.2 Recognize examples […]
Category: Databases
List the data types that are allowed for SQL attributes.
Basic SQL 6.1. How do the relations (tables) in SQL differ from the relations defined formally in Chapter 3? Discuss […]
efine the following terms: superclass of a subclass, superclass/subclass rela- tionship, IS-A relationship, specialization, generalization, category, specific (local) attributes, and specific relationships.
The Enhanced Entity–Relationship (EER) Model 4.1. What is a subclass? When is a subclass needed in data modeling?4.2. Define the […]
Explain the difference between an attribute and a value set.
Data Modeling Using the Entity– Relationship (ER) Model 3.1 Discuss the role of a high-level data model in the database […]
Discuss the main categories of data models. What are the basic differences among the relational model, the object model, and the XML model?
Database System Concepts and Architecture 2.1 Define the following terms: data model, database schema, database state,internal schema, conceptual schema, external […]
Define the following terms: data, database, DBMS, database system, data- base catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object, meta-data, and transaction-processing application
Database system 1. Define the following terms: data, database, DBMS, database system, data-base catalog, program-data independence, user view, DBA, end […]
