Sunday, February 27, 2011

Database Definitions

This is an activity that was provided on the catherine mcauley year ten IST section

Feild: An area of a database record, or graphical user interface form, into which a particular item of data is entered.

Record: An ordered set of fields, usually stored contiguously.

File: Something that is stored in different ways for different purposes eg: videos, music and Documents.

Query: A user's (or agent's) request for information, generally as a formal request to a database or search engine.
SQL is the most common database query language.

Database: One or more large structured sets of persistent data, usually associated with software to update and query the data. A simple database might be a single file containing many records, each of which contains the same set of fields where each field is a certain fixed width.

Report: Computers . output, especially printed, containing organized information.

DMBS: Data Base Management System: software that mediates access to, additions and deletions of, and changes in data contained in a database, so as to store and access data efficiently and control which data particular programs or individuals are allowed to use.

Data dictionary: A data structure that stores meta-data, i.e. data about data. The term "data dictionary" has several uses.
Most generally it is a set of data descriptions that can be shared by several applications.

Data type: Different types of ways that data can be stored.

Wednesday, February 2, 2011

My blogger

In todays lesson i have made a new blog to record my work onto. i did ist in the previous year which allowed me to do it with ease. i am happy with my blog and will
maintain it so it will show my dedication to ist. i hope to further my skills with the computer and expand my knowledge. i will try hard to do my best!!!