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Define physical image of a global relation at a site
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
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
Database design Database tables will be created for you on the Technology web server. The schema will be as follows. Please note that this is a simplified database structure, d
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
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
The primary key is selected from the
Types Of Indexes One of the words used during the file organisation is the term index. In this part, let us describe this term in more detail. We find the index of keywords
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