Classification of Database Management Systems 2.1. Define the following terms: data model, database schema, database state, internal schema, conceptual schema, external schema, data independence, DDL, DML, SDL, VDL, query language, host language, data sublanguage, database utility, catalog, client/server architecture, three-tier architecture, and n-tier architecture. 2.2. Discuss the main categories of data models. What are the […]
Create a new database and execute the code below in SQL Server’s query window to create the database tables.
Health Care Options (HCO) Project: Database and Structured Query Language (SQL) Query Assignment Step 1: Table Creation Create a new database and execute the code below in SQL Server’s query window to create the database tables. CREATE TABLE PhysicianSpecialties (SpecialtyID integer, SpecialtyName varchar(50), CONSTRAINT PK_PhysicianSpecialties PRIMARY KEY (SpecialtyID)) go CREATE TABLE ZipCodes (ZipCode varchar(10), City […]
Given the ERD in this document, write the create table statements to construct the tables for this database.
Lab: Structured Query Language (SQL) Queries Data Definition Language (DDL) Create Table Assignment In SQL Server, create a new database called University. Given the ERD in this document, write the create table statements to construct the tables for this database. Be sure to use reasonable data types and create all tables, attributes, primary keys, foreign […]
Give an introduction into Cypher and explain the most important cypher commands with examples. Compare qeury times against sql.
Neo4j The paper needs to give an general introduction into neo4j https://neo4j.com/. When should someone consider using it. What Concepts and Algorithms does it use? Give an introduction into Cypher and explain the most important cypher commands with examples. Compare qeury times against sql. Ideas for Outline; 1. Neo4j use cases (who uses neo4j, when […]