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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.
Why do so various organizations use MySQL? Advantages: Open source Highly efficient Offers a high scalability in terms of size and connectivity. Highly prote
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
Database systems have many opposite efforts ?
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Prepare a data flow diagram for computing the volume and surface area of a cylinder. Inputs are the height and radius of the cylinder. Outputs are the volume and surface area of th
aggregation
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
What is NULL? Give an example to described testing for NULL in SQL? The NULL SQL keyword is used to represent either a missing value or a value which is not applicable in a re
define lock conversion
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