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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 select empname, empid from employee
What is De-normalization? De-normalization is the method of attempting to optimize the performance of a database by adding redundant data. It is sometimes essential because cur
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
growing phase and shrinking phase are disjoint, why ?
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
Illustrate the view of software architecture A model is a semantically closed abstraction of system composes of elements. It can be visualized using any of the following five v
MOSS VALE is a town with 15000 inhabitants. The fire department wishes to develop a system that automates the despatch of fire engines to attend fires. The ERD below describes the
We face problem of stock Opening balance and closing balance in Minus
What is Relational calculus? Relational calculus is a Non- Procedural language.
find a name whose address is erode from student table
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
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