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This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
Question 1: Define the term business intelligence tools? Briefly explain how the data from one end gets transformed into information at the other end? Definition Exp
Different stages of DDLC ?
What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of SP nesting is possible? Recursion is method of proble
Attributes having a one value for a particular entity. For instance, Age is a single valued attribute of a student entity. Attributes that have more than single values
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
What is Asterisk in SQL? Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
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