Explain the relationship between tables and files within the database, what are the most important structure...
Explain the relationship between tables and files within the database, what are the most important structure of the tables?
Homework Answers
In database table means "Relation" .In table the data stored in rows and columns. The data stored in table are called records.
Files are like normal files..
Important structure of tables :
In table the every individual columns are called attributes.
Complete one row is called "record".
In tables we can place only atomic data.
Atomic data means ,the data which can't be divided in to further.
The data in tables is safe and searching and managing data is easy using queries.
In files data is repeated ..multiple copies are present .so dta wastage. No security.searching in Filesystem is very complex.
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Explain the relationship between tables and files within the
database, what are the most important structure...
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