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Essay / Research Paper Abstract
This 5 page paper examines relational databases, looking at what they are, how they are used the advantages and disadvantages of their use. The bibliography cites 4 sources.
Page Count:
5 pages (~225 words per page)
File: TS14_TErelational.rtf
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Unformatted sample text from the term paper:
of relational databases, which is unlikely to stop with the development of these more complex data bases. Relational databases are made up of data which is stored in tables,
and unlike object orientated databases there is a greater level of structure. The tables will each have names and the rows of data will all be the same object types
with columns describing the data type. The database can be accessed with the use of standard query language (SQL), and tables may be combined or cross referenced with each other
through the use of relational algebra. There are certain types of advantage associated with relational databases. Within a database of this type there is not need for pointers as
the data is based on the table comparisons and as such all objects are treated uniformly. Tables are all independent and as such they are easy to maintain where there
is dynamic data. The expansion of the database is also simple with the expansion of the tables. There is also a relatively easy ability to create new user views in
this type of database. However, there are also some disadvantages to relational databases. When this is compared to databases which are hierarchical or network based they may perform at
a slower pace. However, this is a disadvantage which can be overcome with indexing techniques, such as the assigning of a exclusive index to each record as well as
adding in more files (inverted files) for the characteristics to act as keys, with the inverted files holding only two pieces of information, the index to the data and the
key. However, although a solution it is also a solution that will require a large amount of hard drive space. Another disadvantage is the difficulty in accessing topographical data
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