Database Management System Question
Database Management System Question With Answer & Solution
Que. - Ranking of queries is done by which of the following?
Que. - In rank() function if one value is shared by two tuples then
Que. - The function that does not create gaps in the ordering.
Que. - If there are n tuples in the partition and the rank of the tuple is r, then its is defined as (r −1)/(n−1).
Que. - Inorder to simplify the null value confusion in the rank function we can specify
Que. - The command such tables are available only within the transaction executing the query and are dropped when the transaction finishes.
Que. - OLAP stands for
Que. - The process of viewing the cross-tab (Single dimensional) with a fixed value of one attribute is
Que. - The operation of moving from finer- granularity data to a coarser granularity (by means of aggregation) is called a
Que. - In SQL the cross-tabs are created using
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