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What is Outer join?
They can be employed while we want to keep all the tuples in R, or all those in S or all those in both relations in the result of the JOIN in spite of of whether or not they have matching tuples in the other relation.
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
How to draw an ER diagram to a finance companz
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
explain the level architectures of the database management system
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
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