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The most commonly used DBMS is the Relational Database Management System (RDBMS). This system use table structure that saves and controls the data. A table is a predefined category of data that consist of rows and columns. The columns save the qualities that describe the group of data. Every row contains full record of a particular data. Every table has a Primary key which denotes or uniquely identifies the row. These primary keys are also used in another table just to link the two tables and are known as foreign key.
The Object Oriented Database Management System (OODMS) offers high efficiency for companies with lots of data that is very complex. OODMSs include Object Oriented technology where the data is considered as an object and classes. It uses the idea of inheritance, where the subclasses inherit the data descriptions and methods from the main class.
The Object Oriented Database Management System (OODMS) offers high efficiency for companies with lots of data that is very complex. OODMSs include Object Oriented technology where the data is considered as an object and classes. It uses the idea of inheritance, where the subclasses inherit the data descriptions and methods from the main class.
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