- Database: a collection of info stored on a comp disk
(Video- why use a database?)
Advantages:
- easier to store
- easier to retrieve
-info in a field is determined by its field type and data type.
-Import: recieve data
-Browse: navigate through info
-Sort: rearrange records
-A report is an ordered list of selected records and fields and easy to access.
-SQL (structured Query Language)
- Specialiazed database: software preprogrammed for data storage and retrieval
-PIM (personal info manager): elecctronic organizer
-File manager: enables users to work with one file
-Database managemenr system: data stored in many files at a time
-Relation database: program that allows tables to be related to eachother
- a database is relational when the files are related to eachother.
Batch processing: user accumalate transactions and input them into the comp in large batches
Real-Time: allows instant access to information
Interactive processing: has replaced batch processing for most apps
Downsizing and Decentralizing
using a client server approved
Data Mining: the discovery and exttraction of hiddesn predictive info from large databases
HTML: the language used to construct most web ages
XML a newer data description language designed w/ industrial-strength database access in mind
database strategies revolve around directories
CRM software system
make database construction usage and more flexible
Object-oriented
-easy manipulation of various type of data
-saves time by reusing objects
-associates actions with the data
Mulitmedia Databases: serve as indexes for art, photos, maps, vid clips, etc
common theme of privacy: access
Video: (Facebook- CIA profile database)
Networks make it possible for personal data to be transmittted almost anywhere instantly
Workplace monitoring tech: enables managers to learn more than ever before about the work
www.file-makers .com (more about databases)
No comments:
Post a Comment