#cursor, Database Management System

#what is cursor its uses ? Explain it
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For problems 1-4, give all candidate keys for the tables with FDs specified.  Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas

The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1.      There are no duplicate tuples or rows in the relation. 2.

What benefits can a company gain by managing its own information infrastructure and servicea

how does Btree differ from a B+ - tree?

#question.what is mapping constraints and types?.

What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.

recovey techniques based on deferred update and immediate update


Consider the 1ollowin8 relation: CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., crui

Short Note on mid Square Method of hashing? Mid square method of hashing: In the method midsquare hashing, the key is squared and the address selected from the center of the s