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When every condition appears with equality condition (=) only. c)
Natural join (denoted by R*S)
When two join attributes have the similar name in both relations. (That attribute is
Known as Join attribute), only one of the two attributes is retained in the join relation. The join condition in such a case is = for the join attribute. The condition is not given in the natural join.
how to data store?
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
explain in detail about crash recovery
Give an example of enforcement in Typing. You can understand the idea of enforcement as it makes sure objects of dissimilar classes may not be interchanged as below: Exampl
projects?
What is a trigger
what is the importance of back up files
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
In Oracle what is system global area and how is it organized? The SGA is a collection of shared memory fields which along with the Oracle processes constitute an Oracle instan
Draw entity relationship diagram for the following scenario. A university has many departments whereas each department belongs to that particular uni. That uni has also many bui
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