Index card system is a paper based data base. It's simple, inexpensive and easy to use and update ( you just pull a card out and put another in). It's also very fast in that you only have to use your eyes and glance at the headings. No computer knowledge involved.
Vets use data bases so they don't have to write it down on a piece of paper. If they write it down on a piece of paper they migth lose the paper so that is why they use a data base.
A phone book.
it is a structured programming
One mainly importnant advantage is that its more simple to use than another data base.
One mainly importnant advantage is that its more simple to use than another data base.
data base means a collection of data,which may be inter related. data base management system is a collection of programs for managing the data base.
Some disadvantages of a paper-based database include limited storage capacity, difficulty in organizing and searching for information, and vulnerability to physical damage or loss. Additionally, paper-based databases are less efficient in terms of retrieval and sharing of data compared to digital databases.
The data base are not people but people make the data base like Steve jobs is a data base maker
Litmus paper turns blue in a base.
A base turn the color of the paper in blue.
When litmus paper touches an acid, the paper changes to red. When it touches a base, the paper changes to blue. By comparing the color the litmus paper changed to by a chart, you could determine how strong or weak that acid or base is.
1- internet websites are made of a data base