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Define database management system?
Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What is an ER diagram? Why is it used in Database management system (DBMS)?
what is 3nf
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
Control as Concurrent Tasks The expression control as simultaneous task means applying control for those events of object which can happen simultaneously. An object can be imp
Which language used in application programs to request data from the DBMS is referred? Language which is used in application program is DML to request data from the DBMS is ref
Types of Data fragmentation
How to Insert data in your table from another table? insert into e.g, To insert tuples from employee into N_emp created above, use following statement Insert into N_emp
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
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