SAMPLE DBMS includes Oracle, DB2, MS Access, MS SQL SERVER, PostgreSQL, MySQL, Sybase.
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In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.
DBMS stands for database management system. DBMS reduce data redundancy as it checks if the data is duplicate and if duplicate then store it as a single record.
Armstrong rules are complete or sound in dbms by clarifying the types of situations which need to be achieved and done.
Arity=#attributes
Values of columns