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Explain Clustering file organization
(i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that field is known as the clustering field. The sort of index that is created using clustering field is known as clustering index. Clustering index is employed to speed up retrieval of records that have similar value for the clustering field.
The file which is organized based on the clustering field and clustering index is known clustering file organization.
An employee record has the following structure struct employee { int eno; char name[22]; float salary; char dept[10];}; (i) Calculate the record size R in bytes.
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
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What are the function of DBA?
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