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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
What are the causes of bucket overflow in a hash file organization? What can be done to reduce the occurrence of bucket overflow? When a record is inserted, the bucket to that
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Why 'AS' clause is used in SQL ? 'As' clause is used for Rename operation. ‘AS' clause is used in SQL for rename operation. (e.g., SELECT ENO AS EMPLOYEE_NO FROM EMP)
#question.explain diversity and magnitude of organic compounds and general properties?
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to st
brief history,definition,current trends and future trends if any of data fragmentation
write a database program for concurrency transaction in a bank
Primary Key The primary key is the candidate key that is selected by the database designer as the principal denotes of identifying entities within an entity set. The left candi
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