What is Database in SQL…?
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·
It
is a common place where all end users data will be stored
·
In database
management of data becomes easier
· DBMS stands for Database management system
· It is used to perform the operations on a database
· Operation means to insert, deletion,updating of records
· DBMS is classified into four types
·
Flat-file DBMS:
We can store the data in the form
of file & folders i.e. Data present in any driver of your computers
·
Hierarchy DBMS:
We can store the data
in the form of tree structure like parent and child relationship (folder &
subfolder)
·
Network DBMS
We can store the data
in the form of network styles which means one data is interconnected with
another data
vRDBMS
· RDBMS stands for Relational database management system in RDBMS we can
store the data in the form of row and column-like table structures
· Row are also known as tuples / Records
· Columns are known called as attribute/fields
· RDBMS table is also known as a relational database object
· It is used to establish/create a relationship between two tables
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