Wednesday, August 20, 2008
Relationship
It is a collection of data items organized as a set of formally-described tables from which data can be accessed or reassembled in many different ways .
Table
It is a set of values that is organised by inserting data to vertical column and the horizontal row.
DBMS
DBMS(Database mangement system) is a software that mainly is to manage and organise all the data in the database. It is also to modified all the data in the database and make it more meaningful to all users
What is a database ?
It is a well-structured collection of data /information .so that it can be more easy to access ,manage, analysis .
Thursday, July 31, 2008
Analysing
It is the process that transforms data into information. However, the data are not altering during the process. It is also a process that’s look for pattern or meaning in data. Hardware for analysing: RAM (Random Access Memory), ROM (Read Only Memory
Software for analysing: search key, logical operator.Non-computer tools for analysing: Telephone book, wind tunnel
Social Issue: Unauthorised analysis of data, erosion of privacy from linking database for analysis
Software for analysing: search key, logical operator.Non-computer tools for analysing: Telephone book, wind tunnel
Social Issue: Unauthorised analysis of data, erosion of privacy from linking database for analysis
Analysing
Analysing is the process that transforms data into useful information. However data are not to be altered during the process. This process adds meanings to all different kind of data .It is also a process that’s look for pattern or meaning in data.The Hardware for analysing are RAM (Random Access Memory), ROM (Read Only Memory) ,the software are search key & logical operator.The non-computing tools for analysing are Telephone book & wind tunnel.Finally ,Social Issue between analysing are Unauthorised analysis of data, erosion of privacy from linking database for analysis
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