Turn Around Time : It is that amount of time a process takes from when a request was submitted until the first response is produced.
Throughput : It is that amount of time a process takes to complete its execution.
gis and dbms
Decomposition means replacing a relation with a collection of smaller relations.
•A feature of the entity relationship model that allows a relationship set to participate in another relationship set. • • This is indicated on an ER diagram by drawing a dashed box around the aggregation.
A server for the database. (physical computer) A database server software, e.g. mysql. A network or VPN or internet connection to link server and client A client software, could run client side, e.g. desktop application coded in python or could be server side and forwarded to a web browser page at a time (cloud computing model) using php or flash.
gis and dbms
The 'r'
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database approach
difference between relation sehema and relation instance in dbms
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Traditional FPS and DBMS both are different from each other. In DBMS there is security of data as well as integrated data while this is not in FPS.
A Homogeneous database will have only one DBMS, while heterogeneous databases have multiple DBMS's
A DBMS is a database management system. A database application would be something inside the DBMS such as: ~a way to search files ~a way to pull certain information
save point saves the dbms and check point simply check the database thats it simple
dbms stands for database management system and this mdbms is mulivalue database management system. if we need to store the a multidata then we have to use the mdbms
A DBMS stores data in a table where the entries are filed under a specific category and are properly indexed. This allowed programmers to have a lot more structure when saving or retrieving data. A relational database contains data in more than one table. Each table contains a database that is then linked to other tables with respect to their relationships. Read more: Difference Between DBMS and RDMS | Difference Between | DBMS vs RDMS http://www.differencebetween.net/technology/difference-between-dbms-and-rdms/#ixzz1eJUZkRgz