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Book · October 021 citations reads 35,829 authorsBog'liq 4 PROFESSIONAL ENGLISHF
design
J
analysis
N
encounter
C
principles
G
queries
K
programming
O
aspiring
D
front-end
H
developer
L competitive
P
fluent
Q
applications
iv
Read the information about enterprise databases. Change the sentences into the
active or passive ones.
Enterprise Databases
1.
If only a single user can use a database at a time it is not going to meet the needs of most
organizations.
2.
As they have networked computers and now join them worldwide via the Internet, a class of
database has emerged that two, ten, or even a million people can access.
3.
These databases are sometimes installed on a single computer to be accessed by a group of
people at a single location.
4.
Other times, they install them over several servers worldwide, which means millions are
able to access them.
5.
These relational enterprise database packages are built and supported by companies such as
Oracle, Microsoft, and IBM. The open-source MySQL is also an enterprise database.
6.
As stated earlier, the relational database model does not scale well.
7.
The term
scale
here refers to a database getting larger and larger, being distributed on a
larger number of computers connected via a network.
8.
Moving away from the relational model to other, more flexible models some companies are
looking to provide large-scale database solutions.
9.
For example, Google now offers the App Engine Datastore, which is based on NoSQL.
10.
Developers can use the App Engine Datastore to develop applications that access data from
anywhere in the world.
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