Flashcards in Information Technology Deck (70)
What is a Cold Site?
If a main system goes down- a Cold Site will take time to get set up and running.
What is the most common database language?
SQL - Structured Query Language
What is a Data Definition Language?
Defines SQL Database
Controls SQL Tables
What is a Data Manipulation Language?
Queries SQL Database tables
What is a Data Control Language?
Controls Access to SQL Database
What are the characteristics of a Relational Database?
Uses rows and columns similar to spreadsheet
What are the characteristics of a Hierarchical Database?
Has various levels
Uses trees to store data
What are the advantages of a database?
Data is more accessible
What are the disadvantages of a database?
Cost of installation
Skilled personnel required to maintain