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What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
a set of possible data value of an attribute is called??
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
What is meant by buffer blocks and disk buffer The blocks residing temporarily in main memory are referred to as buffer blocks. The area of memory where blocks reside t
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
The State of Newyork certifies firefighters throughout state keep track all of them, as well as the state’s of fire departments. Each fire department has unique department number
i want to database for online assignment submission system
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