Introduction to Databases BDS: Connolly‚ Begg‚ Holowczak Pratt/Adamski Elmasri/Navathe (3rded.) Kroenke Book (7thed.) McFadden (5thed.) Mata-Toledo / Cushman Ch. 1 and 2 Ch. 1 Ch. 1 and 2 Chap. 1 and 2 Chap. 1 Schaum’s Outlines Ch. 1 Q: What is a Database ? Answer from BDS: A shared collection of logically related data and descriptions of that data‚ designed to meet the needs of na organization. Answer from Elmasri/Navathe: A Database (DB) is collection of related data - with the
Premium Database Entity-relationship model Relational model
DNA databases In 1992‚ The United States‚ Federal Bureau of Investigation funded the Combined DNA Index System (CODIS). It is a computer system that stores DNA profiles created by federal‚ state‚ and local crime laboratories in the United States‚ with the ability to search the database in its entirety; it also helps agencies identify suspects of crime. The origin of CODIS is attributed to the Scientific Working groups (SWG) that began in the late 80’s. SWG was backed by the FBI Laboratory which
Premium Federal Bureau of Investigation Combined DNA Index System National DNA database
characters in a character set but of definable variable length.Stores binary string values in hexadecimal format. BLOB is defined to be a variable length. (Oracle also has CLOB and NCLOB‚ as well as BFILE for storing unstructured data outside the database.) | Number | NUMERICINTERGER(INT) | Stores exact numbers with a defined precision and scale.Stores exact numbers with a predefined precision and scale of zero | Temporal | TIMESTAMPTIMESTAMP WITH LOCAL TIME ZON | Stores a moment an event occurs
Premium SQL Data management
Database Concepts Terminology In general‚ there are many acronyms and a lot of terminology used throughout the entire Information Technology (IT) field that is not used anywhere else. In this paper‚ I will briefly describe the following five terms: Online Analytical Processing (OLAP)‚ Data warehouse‚ data mart‚ three-tier architecture‚ and Active Server Pages. Online Analytical Processing OLAP "On-Line Analytical Processing - A category of applications and technologies for collecting‚ managing
Premium World Wide Web Web server
Setting up a database 1. Introduction In order to complete my client’s needs I created a database and I started my work with Word Access 2010. This is how it looked at the beginning as I started my work today on the 5th of the October 2010. Today was our starting point for creating my clients database. The screenshot above shows that I opened Access 2010 to begin creating my clients database. 2. Creating tables‚ setting fields + deciding on data types. Once Microsoft Access was open
Premium Database SQL Click
Literature Search To identity relevant literature for this report I searched three criminology databases (AGIS‚ CINCH and Criminal Justice Abstracts)‚ two criminology journals (British Journal of Criminology and the Australian and New Zealand Journal of Criminology)‚ two social work journals (Australian Social Work and The British Journal of Social Work) and one general database (ProQuest) using a combination of the following key terms: recidivism‚ meta-analysis‚ criminology‚ community‚ systematic
Premium Recidivism Crime
The history began between Relational Databases and SQL. In 1970‚ Edgar F. Codd wrote the now-famous paper on relational data modeling: "A Relational Model of Data for Large Shared Data Banks." The original relational database language‚ developed by IBM‚ was called SEQUEL (Structured English Query Language) to support its prototype RDBMS (Relational Database Management System) called System/R. The name later was changed from SEQUEL to Structured Query Language. In the beginning Codd started out a
Premium SQL Relational model Relational database management system
1. Let us design a database for an bank‚ including information about customers and their accounts. Information about a customer includes their name‚ address‚ phone‚ and Social Security number. Accounts have numbers‚ types(e.g.‚ savings‚ checking) and balances. We also need to record the customer(s) who own an account. Draw the E/R diagram for this database. Be sure to include arrows where appropriate‚ to indicate the multiplicity of a relationship. Solution: [pic] 2. For your E/R diagram of
Premium Relational model Florida Keys Relation
Database Design and Development | International Institute Of Computer Professionals | Francisco Lezama | Student ID: 00132002 | March 2013 NCC Education - Level 5 Diploma in Business Information Technology School of Accounting and Management‚ Trinidad‚ W.I. Table of Contents Task 1 1 Entity Relationship Diagram 1 Normalization 4 Data Dictionary 6 Task 2 10 2.1 Implementation and Data 10 2.2 Inserting data into tables for Members and Countries 16 2.3 Inserting Data
Premium SQL Entity-relationship model Relational model
Project Proposal Template 1: Business situation Business Name: The Queue Business description: The Queue is a company that provides service to customers by helping them buy products. Customers can order not only hot products that spent much time to queue‚ but also simple products for helping customers save their times. For example: Concert tickets‚ Garrett popcorn‚ Starbucks’ buy one free one promotion‚ or Jamsai books at the national book fair. Customers can contact with our company by using
Premium Credit card Payment Money